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Published projects

  • 380W Two-Switch Flyback DC-DC Converter

    published on 10-05-2013

    160V to 48V DC-DC converter. Click here to run online immediately with TINACloud

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina TINA 9+, TINACloud Yes 11-20

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • MCU controlled DC-DC Boost Converter

    published on 04-05-2013

    MCU controlled DC-DC Boost Converter (from 5V to 15V ) using PIC16F88 Click here to analyze this circuit online and immediately with TINACloud.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 9+, TINACloud No 11-20

    Path: SPICE Projects > Microcontroller Circuits

  • AC Coupled Photodiode Amplifier

    published on 23-04-2013

    The input signal is a 10khz 10uA peak current from a general photodiode, modeled with 1mA DC current due to the ambient background light. The amplifier shows a bandwidth over 10khz. Click here to analyze this circuit on-line with TINACloud, without any registration.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+, TINACloud No 11-20

    Path: SPICE Projects > General Electronics > Optical Circuits

  • Buffering a Precision Operational Amplifier

    published on 11-04-2013

    Driving a load impedance with a precision operational amplifier reduces its features, as the offset voltage, bias current, drift etc. In this simulation a buffer amplifier is placed between the precision amplifier and its load. In this way the precision amplifier maintains its features and the buffer has the task of driving the load. Click here to analyze this circuit on-line with TINACloud.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+, TINACloud No 11-20

    Path: SPICE Projects > General Electronics > Operational Amplifiers

  • High Speed Transimpedance Amplifier

    published on 01-04-2013

    200 Mhz amplifier for photodiode current. The transimpedance amplifier is implemented with a THS4304 in inverting configuration and a single power supply. The photodiode is modeled with its resistance and capacitance. The feedback capacitor reduces the gain peak to ensure the stability. Click here to analyze this circuit on-line with TINACloud.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+, TINACloud No 11-20

    Path: SPICE Projects > General Electronics > Optical Circuits

  • PI Proportional Integral Temperature Controller

    published on 23-03-2013

    This circuit implements a high accuracy temperature control amplifier realized with a PI Proportional-Integral controller. The first device is a precision instrumentation amplifiers with very low offset and drift. The PI is realized with an OPA374 6.5Mhz CMOS operational amplifier. The circuit requires an overall feedback path to achieve a steady-state operating point, for example a TEC (Thermo Electric Cooler) controller which can cool down or heat up the temperature of an object depending on the direction of the current going through the TEC. This amplifier allows temperature control loop stability within in a few tens of milli- degrees.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ No 11-20

    Path: SPICE Projects > Control Systems

  • Transimpedance Amplifier with Feedback Resistor vs Tee Network

    published on 16-03-2013

    two current-to-voltage converters are implemented with different solutions: an operational amplifier OPA637 with feedback resistor and the same operational amplifier in a Tee network configuration.the first solution shows a lower noise, and therefore a higher signal-to-noise ratio, a lower DC offset and drift. these device are used as high sensitivity transimpedance photodiode amplifiers, the current source represents the photodiode.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Optical Circuits

  • Optical Detector with Analog and TTL output

    published on 14-03-2013

    a photodiode OPT101 with on-chip transimpedance amplifier with single power supply, when a light is detected produces an analog output. A TLC339, used as comparator, converts the analog output to TTL output. The photodiode uses a resistor feedback to increase the detector's band and a capacitor for frequency compensation stability.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Optical Circuits

  • RIIA Corrector with transistors BJT

    published on 20-02-2013

    RIIA circuit with an equalization transfer function implemented with two NPN small signal transitors BC109B.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > Audio Circuits > Audio Effects Circuits

  • Zoom Amplifier

    published on 13-02-2013

    this circuit uses a precision low power instrumentation amplifier INA128 to amplify a small AC signal superimposed on a much larger DC voltage. When the switch is closed both inputs see the same AC+DC level and the high common mode rejection gives a zero output voltage. When the switch is open the AC signal is applied to only the inverting input, while to the not inverting input is applied the DC level stored on a high insulation resistance dielectric capacitor.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No <10

    Path: SPICE Projects > General Electronics > Operational Amplifiers

  • Bootstrapped Input For High Impedance

    published on 03-01-2013

    Bootstrapping involves the use of a small amount of positive feedback from output to input of an amplifier, of nearly unity gain. The bootstrap technique is used to make a low value input resistor, R3 in this case, appear to have a much higher value as seen by the input signal. Without feedback the input resistance is R3 (1M) in parallel with the input resistance of U1 (1E13 ohms).Positive feedback applied through the voltage divider R1- R2 multiplies the effective input impedance of R3.Adding bootstrapping also increases the noise gain of the op amp, multiplying its Vos, drift, and noise. Adding a LARGE capacitor in series with R1 can eliminate the amplified DC offset and drift but the low frequency noise will still suffer.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Operational Amplifiers

  • 330 Khz 80 Db Gain Low Noise Amplifier

    published on 06-11-2012

    two OPA2228 gain stages in cascade implements this amplifier with bandwidth of 300khz and gain of 80 db. The single operational amplifier opa2228 is a dual op amp with low input voltage noise, 3nV/rtHz at 1khz, bandwidth 33Mhz and slew rate 11V/us.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Operational Amplifiers

  • BiCMOS PWM Controller UCC28C40

    published on 25-09-2012

    transient startup SPICE simulation of high-performance low power current mode PWM controller UCC28C40 with BiCMOS technology that integrates bipolar and CMOS transistors. 100V input voltage and 2 outputs 12V and output current up to 250mA for out1 and up to 25mA for output2.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Advanced Tina 7+ Yes 51-100

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • Buck Converter with TPS54331

    published on 19-09-2012

    This buck converter integrates a low Rds mosfet. Current mode control simplifies the external compensation and reduces component number. The input voltage range is from 3.5V to 28V. The output voltage is adjustable down to 0.8V and provedis an output current up to 3A. It's used in consumer applications such as LCD display, battery chargers, and car audio power supplies.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • UCX836 High Efficiency Voltage Linear Regulator

    published on 18-09-2012

    SPICE simulation with transient and average model of UX836 family of low cost linear regulators. 24V input voltage and 15V output voltage. The input has a voltage range of 18V to 24V. the output voltage can be set from 2.5V to 35V with two external resistors.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ No 11-20

    Path: SPICE Projects > Power And Battery Circuits > Regulated Power Supplies

  • TPS40195 Synchronous Buck Converter

    published on 12-09-2012

    Buck converter 12V input 3.3V output, output current up to 20A. This controller drives two pairs of IRF7821 and IRF7832, and implements a voltage mode control with switching frequency of 300khz, adjustable to 250khz or 500khz. Spice simulation of transient and average model.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Advanced Tina 7.7+ Yes 51-100

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • Class D Audio Power Amplifier with built in Boost Converter

    published on 06-09-2012

    the TPA2015D1 is an high efficiency class D power amplifier. It has a built in boost converter to enhances efficiency at low power. An automatic gain control adjusts the class D gain to limit battery current and prevent clipping. An integrated low pass filter improves RF rejection and increases the signal to noise ratio SNR.The simulation is performed with a speaker modeled as an 8 ohm resistive load with its reactive components.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ Yes 11-20

    Path: SPICE Projects > Audio Circuits > Power Amplifiers > Power IC Amplifiers

  • SPICE Simulation of Temperature Sensor TMP20

    published on 04-09-2012

    The TMP20 is a CMOS, precision analog output temperature sensor that operates from -55 C to +130 C on a supply voltage of 2.7V to 5.5V with a supply current of 4uA. The input voltage is equivalent to temperature such 1V = 1 C, for example -10V = -10C.the output voltage ranges from 2.5V to 0.25V.Widely used in cell phones, power supplies, automotive.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Very Simple Tina 7+ No <10

    Path: SPICE Projects > Sensors And Measure Circuits

  • OPA1632 High Performance Audio Operational Amplifier

    published on 29-08-2012

    The OPA1632 is a fully-differential amplifier designed for driving high-performance audio analog-to-digital converters (ADCs).It provides high sound quality with an ultra low distortion and very low output noise. The high speed device has a slew rate of 50V/us and a gain bandwidth of 180 Mhz.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Operational Amplifiers

  • Buck Converter with a TPS40040 5.5V input 1.8 V output, 10 Ampere

    published on 23-08-2012

    4.5-V to 5.5-V input range, 1.8-V fixed output, this buck converter provides up to 10A of output current. The switching frequency is 300-kHz. The converter uses for both top and bottom MOSFETs, a Si4866DY N-channel fast switching MOSFET with low gate-source capacitance.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • Stereo Headphone Amplifier with TPA6138A2

    published on 21-08-2012

    headphone amplifier, with a built in click and pop suppression circuit, and an adjustable gain set by external resistors.The gain ca be configured individually for each channel and ranges from +,- 1 to +,- 10. The device is ideal for single-supply electronics and allow the removal of the output dc-blocking capacitors for reduced component count and cost.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Audio Circuits > Preamplifiers > IC Preamplifers

  • UCC3805 Boost Converter 5V - 8V

    published on 20-08-2012

    5V input 8V output boost converter with IC UCC3805.The integrated circuit uses current mode control to turn the main switch on and off by a pulse width modulated control voltage. The output load can be adjusted by changing RLoad. The output current ranges from 50mA to 150mA.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Advanced Tina 7+ Yes 31-50

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • Second order Butterworth Low Pass Filter

    published on 13-08-2012

    1khz butterworth low pass filter, implemented with an opa364 in inverting configuration with single power supply. For double power supplies, Voffset is not needed.The cutoff and gain can be changed with other RC values.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Active filters

  • Second order Butterworth High Pass Filter

    published on 13-08-2012

    1khz butterworth high pass filter, implemented with an opa364 in inverting configuration with single power supply. The cutoff and gain can be changed with other RC values.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Active filters

  • Second order Bessel Low Pass Filter

    published on 12-08-2012

    1khz Low pass filter, implemented with an opa364 in a phase inverting configuration with single power supply.The cutoff and gain can be changed with other RC values.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Active filters

  • Thermistor Amplifier -40C to +150C

    published on 18-06-2012

    A REF200 Dual Current Reference is represented by a 100uA DC current source. This circuit provides an input voltage that ranges from 0 to 2.5V to an A/D converter.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No <10

    Path: SPICE Projects > Sensors And Measure Circuits

  • Boost Converter with a TPS40210

    published on 11-06-2012

    12V input 24 Volt output Boost converter using a TPS40210. Startup and Steady state transient model, continuous and discontinuous mode operation analysis model.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Advanced Tina 7+ Yes 21-30

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • Infrared Thermopile Detector Amplifier

    published on 03-04-2012

    voltage amplifier of a S60M thermopile infrared detector voltage.This sensor is optimal in non-contact temperature and gas analysis.The amplifier is implemented with a CMOS autozero OPA335.The frequency response and noise analysis are compared between a conventional R-C feedback filter and an additional pole.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Infrared Circuits

  • DC - DC Drop Down Buck Converter with PIC16C620A

    published on 07-03-2012

    Low power buck converter with PIC16C620A microcontroller. Vin = 8.8V, Vout = 4.2V, Iout = 100mA, max load 42 Ohm.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • Second order Bessel High Pass Filter

    published on 29-02-2012

    1khz high pass filter, implemented with an opa364 with single power supply. The cutoff and gain can be changed with other RC values.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Active filters

  • High Capacitance Line Driver

    published on 24-02-2012

    Capacitive loads invite amplifier instability by reducing phase margin. Instability can be prevented by isolating the load capacitance from the amplifier output by a small resistor R3. To eliminate a voltage drop error when current is drawn through that resistor, DC feedback is sensed on the load side of R3. High- frequency feedback is provided by C2.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No <10

    Path: SPICE Projects > General Electronics > Driver Circuits

  • Adjustable Voltage Reference between -10V and +10V

    published on 20-02-2012

    An operational amplifier opa277 with dual power supply, provides a reference voltage continuously adjustable beetwen -10V and +10V. the amplifier uses both the inverting and non inverting gain path simultaneously. A potentiometer sets the ratio of these two gain paths

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No <10

    Path: SPICE Projects > Power And Battery Circuits > Regulated Power Supplies

  • Ultrasonic sensor receiver

    published on 08-02-2012

    Ultrasonic receiver implemented with a two stage 40 db gain, 4th order band pass filter, with two opa354 operational amplifier single power supply. This filter is only 2.6kHz wide at -3db. Each stage has a gain of 20dB

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Ultrasonic Circuits

  • Buck Converter with TPS40200

    published on 31-01-2012

    DC DC buck converter with the non-synchronous controller TPS40200. In this project the controller has an 8 Volt input voltage and provides 3.3V output voltage.The programmable switching frequency is fixed to about 280khz.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Advanced Tina 7+ Yes 21-30

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • DC - DC Boost converter 5V - 13V with PIC16F88

    published on 17-01-2012

    Low power boost converter with PIC16F88 microcontroller that drives a IRFZ34 power mosfet. Vin = 5V, Vout = 13V, Vripple = 10mV, 100 khz frequency work, 0.85 Watt

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ No 11-20

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • Time to Voltage Converter with OPA627E

    published on 23-12-2011

    Applications such as rangefinders and ballistic chronographs require a high resolution measurement of time. This can be a time period of a few hundred nanoseconds to a few milliseconds. This is an analog circuit, based on a OPA627E with dual power supply, that can convert a time period to a voltage with high linearity and high resolution

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > Sensors And Measure Circuits

  • InGaAs 100 Mhz Transimpedance Amplifier

    published on 23-12-2011

    An InGaAS (indium gallium arsenide) photodiode G8376-03, works as a high-speed and low noise detector providing the input signal current to a transimpedance amplifier that converts it to a voltage output. The amplifier, with a bandwidth of 100 Mhz, is based on a high- speed JFET- input op amp OPA657.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Optical Circuits

  • Capacitance Multiplier

    published on 14-12-2011

    A capacitance multiplier circuit is implemented with an operational amplifier opa725. The effective value of a small capacitor C1 is increased to a much larger value, The capacitance seen at Vout is: Cout = C1 * R1/R3. For C1=100pF, the resulting capacitance is 100nF. The output capacitance can be verified with the cutoff frequency of resulting R-C circuit, Fc= 1/(6.28*R*C) =1.59 Hz. Click here to run the simulation immediately with TINACloud.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7.0, TINACloud No <10

    Path: SPICE Projects > General Electronics > Analog Components > Capacitors

  • Load Cancellation Circuit

    published on 09-12-2011

    The next stage of a voltage follower op amp, is a second op amplifier that implements a load cancellation circuit. The output current of first op amp is a function of its input voltage Vin and its load resistance RL.For example when Vin = 1V, AM1 (U1 output) and AMload (load current) = -1mA. The cancellation circuit provides all or part of this current. With compensation adjusted for 100%, the load current is furnished entirely by the compensation circuit. Thus the output of U1 essentially sees an "open circuit". Rc controls the degree of load current compensation.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Operational Amplifiers

  • Light Flasher with PIC16LF628A

    published on 07-12-2011

    led flasher implemented with a microcontroller PIC16LF628A drives a led array running light forward or reverse (first dip switch on/off) or swapping nibbles (second dip switch)

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ Yes <10

    Path: SPICE Projects > Consumer Circuits > Light Control Circuits

  • Laser Energy Meter

    published on 05-12-2011

    The IVC102 is a precision integrating amplifier with FET op amp, integrating capacitors, and low leakage FET switches, capable of integrating the output of a very fast detector. It integrates low-level input current for a user-determined period, storing the resulting voltage on the integrating capacitor.The output voltage can be held for accurate measurement. The IVC102 provides a precision, lower noise alternative to conventional transimpedance op amp circuits that require a very high value feedback resistor.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ Yes 11-20

    Path: SPICE Projects > Sensors And Measure Circuits

  • Two Stage BJT Microphone Preamplifier

    published on 24-11-2011

    microphone preamplifier with a couple of BC847, one layer board with SMT technology

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 1.61+ Yes 11-20

    Path: SPICE Projects > Audio Circuits > Preamplifiers > Discrete Preamplifier

  • Buggy Robot with PIC16LF628A

    published on 18-11-2011

    Buggy robot with left and right contact sensors.When the left contact sensor is pressed, the robot stops, goes back, turns clockwise, and continue to move forward.When the the right contact sensor is activated, the robot stops, goes back, turns counterclockwise and goes forward.Two DC Motors are drived by a L293D that converts logic signals from PIc to analog power signals to drive the electrical motors.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Robots

  • Switch Circuit Activated by a Photoresistor

    published on 10-11-2011

    A BJT is turned on and off by an single power supply operational amplifier LM709 activated by a photoresistor

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ No 11-20

    Path: SPICE Projects > General Electronics > Optical Circuits

  • PWM Demodulator with Operational Amplifiers

    published on 02-11-2011

    PWM demodulator implemented with an active low-pass filter with TL071 and TL072 operational amplifiers.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Radio Circuits > Demodulators

  • PWM Modulator with Operational Amplifiers

    published on 31-10-2011

    Pulse Width modulation modulator circuit implemented with 4 operational amplifiers, 2 LP3111 and 2 TL072. A first couple provides a triangular waveform compared with the message input signal. A last operational amplifier works as buffer.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > Radio Circuits > Modulators

  • ASK Demodulator

    published on 29-10-2011

    Amplitude Shift Keying demodulator implemented with a couple of TL072 that rectify the input source and an LP311 that detects the signal.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Radio Circuits > Demodulators

  • ASK Modulator

    published on 26-10-2011

    Amplitude Shift Keying modulator uses a XR2206 function generator to provide an high quality sine wave carrier which is combined with the input digital signal through a 74HC4066 quad bilateral switches.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Radio Circuits > Modulators

  • FM Demodulator with CD4046

    published on 25-10-2011

    FM demodulation implemented with 6 TL071 op amplifiers and a CMOS Micropower phase locked loop CD4046, that consists of low power, linear voltage controlled oscillator (VCO), and two different phase comparators having a common signal input amplifier and a common comparator input.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 31-50

    Path: SPICE Projects > Radio Circuits > Demodulators

  • AM Demodulator with TL071C

    published on 23-10-2011

    AM Demodulator implemented with a cascade of 5 TL071C operational amplifiers that detect and amplify the modulated signal.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Radio Circuits > Demodulators

  • AM Modulator with XR2206

    published on 20-10-2011

    A DC bias and a modulating signal is applied to the pin1 AMSI (Amplitude Modulating Signal Input). The internal impedance is approximately 100k. Output amplitude varies linearly with the applied voltage at Pin 1, for values of DC bias at this pin, within 14 volts of VCC/2.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Radio Circuits > Modulators

  • FSK Modulator with XR2206

    published on 18-10-2011

    Frequency Shift keying modulator with a XR2206 that can be operated with two separate timing resistors, R 1 and R 2 , connected to the timing Pin TR1( 7) and TR2( 8),respectively. The output frequency can be keyed between two levels. f 1 and f 2 , as: f1 = 1/(R1*C) and f2 = 1/(R2* C)

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Radio Circuits > Modulators

  • 1.05 Volt Buck Converter

    published on 17-10-2011

    A buck converter implemented with a TPS51124 Dual Synchronous Step Down Controller For Low Voltage Power Rails. It drives an IRF7821 and an IRF8113 power mosfets

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • Infrared Detector for TTL and analog signal

    published on 16-10-2011

    Infrared detector can switch between TTL and analog detection. The first stage, implemented with TL071 and TL072, amplifies the received signal. The TTL signal is detected by a LP311 and analog signal is detected by a cascade of TL072.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 31-50

    Path: SPICE Projects > General Electronics > Infrared Circuits

  • Infrared Transmitter for TTL and analog signal

    published on 15-10-2011

    Infrared transmitter can switch between TTL and analog source.The TTL signal supplies a LP311 low power differential comparator.The analog signal supplies a TL071 op amp configured as voltage follower.Both devices drive a PNP transistor current amplifier that supplies infrared LED.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > General Electronics > Infrared Circuits

  • FM Modulator with a XR2206

    published on 14-10-2011

    FM modulator implemented with a precision sine waveform generator IC XR2206.Frequency of operation can be selected externally over a range of 0.01Hz to more than 1MHz

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Intermediate Tina 7+ Yes 21-30 1

    Path: SPICE Projects > Radio Circuits > Modulators

  • Fast LED Driver Circuit

    published on 20-07-2011

    Led or low power laser diode can be driven by an OPA354 as voltage-controlled current source.It can supply 50 mA and modulate the emitter from DC to 50Mhz

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Driver Circuits

  • 2 Ampere Anode Grounded Laser Diode Driver as Howland Current Source

    published on 18-07-2011

    An OPA569 is used as a conventional Howland voltage controlled current source circuit

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Laser Circuits

  • OPA569 in Parallel as Laser Diode Driver

    published on 15-07-2011

    This circuit show how to use two OPA569 in parallel to provide voltage controlled constant current biasing of a groundend cathode lase diode.The output current is limited to 2 Ampere for each amplifier

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 1.61 Yes 11-20

    Path: SPICE Projects > General Electronics > Laser Circuits

  • Differential Output Voltage Controlled Current Source TEC Driver

    published on 13-07-2011

    Two single power supply OPA569 implements a voltage controlled constant current TEC (Thermoelectric cooler) drive.These operational amplifiers can swing very close to the rail.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Driver Circuits

  • Positive Precision Output Voltage Limiter

    published on 12-07-2011

    This circuit limits its output to a positive going output only, negative output is clamped to ground.It has a unitary gain but it can provide a voltage gain Av= -R2/R1

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Operational Amplifiers

  • 10mA 0 10V DAC Circuit

    published on 11-07-2011

    Precision buffer for a DAC output, implemented with an opa735. 10V output 10 mA with 1V input voltage. Rescaling this circuit with other transistors can result in output current of a many amps.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Digital To Analog Converters

  • Absolute Value Amplifier

    published on 08-07-2011

    Two OPA735 with single power supply implements a rectifier with rail to rail op amps, that is the output voltage is very near the positive power supply voltage (rail) and near the negative rail (ground)

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > Power And Battery Circuits > Rectifiers

  • Graeme Double Integrator

    published on 07-07-2011

    Double integrator configuration, single power supply, with OPA355

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Operational Amplifiers

  • 4 Ampere Cathode Grounded Laser Diode Driver

    published on 03-07-2011

    Two 569 Op. Amplifiers provide a voltage controlled constant current biasing of a grounded cathode laser diode, the currents are limited to 2 Ampere, the output current is the sum of both OPA569s in parallel.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Laser Circuits

  • 4 Ampere Anode Grounded Laser Diode Driver

    published on 03-07-2011

    Two 569 Op. Amplifiers provide a voltage controlled constant current biasing of a grounded anode laser diode, the currents are limited to 2 Ampere, the output current is the sum of both OPA569s in parallel.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Laser Circuits

  • Two differential Line Receivers

    published on 30-06-2011

    Two line receivers, implemented with a 1NA154 and a 1NA133 with unitary gain and a common mode rejection (CMR) better than can be obtained by a discrete difference amplifier with op. amp

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Driver Circuits

  • Speech Compression Amplifier

    published on 30-06-2011

    Compression amplifier tipically used to prevent overmodulation of AM transmitters.The soft-knee of the transfer curve imparts a "vacuum tube-like" sound to audio signals and musical instruments.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > Audio Circuits > Audio Effects Circuits

  • Lock-in Amplifier with Output Active Low Pass Filter

    published on 27-06-2011

    Demodulator Phase Sensitive Detector that can extract a signal with a known carrier wave from an extremely noisy environment, with an output active low pass filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Radio Circuits > Demodulators

  • Synchronous Modulator and Demodutalor with Phase Sensitive Detector

    published on 27-06-2011

    Cascade of Modulator and Lock-in Amplifier that that can extract a signal from an extremely noisy environment, tipically the signal is buried in 40 dB of white noise

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 21-30

    Path: SPICE Projects > Radio Circuits > Demodulators

  • 100 Mhz Differential Line Driver

    published on 24-06-2011

    Differential amplifier with a THS4505 for applications such as line receivers and line drivers.100 Mhz single ended to differential line driver for twisted pair or triax cable applications.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes <10

    Path: SPICE Projects > General Electronics > Driver Circuits

  • Fast Buffered Peak Detector

    published on 24-06-2011

    Fast Peak Detector with 2 Op. Amp 354 with dual power supply.The second Op. Amp works as a buffer.Up to 500 Khz.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes <10

    Path: SPICE Projects > Sensors And Measure Circuits

  • Fast Single Supply Peak Detector

    published on 24-06-2011

    Fast Peak detector implemented with an Op. Amplifier 355 with single supply for a range of frequency up to 1Mhz

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes <10

    Path: SPICE Projects > Sensors And Measure Circuits

  • 2 Ampere Cathode Grounded Laser Diode Driver

    published on 24-06-2011

    An 569 Op. Amplifier provides a voltage controlled constant current biasing of a grounded cathode laser diode.Current up to 2A.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes <10

    Path: SPICE Projects > General Electronics > Laser Circuits

  • 2 Ampere Anode Grounded Laser Diode Driver

    published on 23-06-2011

    An 569 Op. Amplifier provides a voltage controlled constant current biasing of a grounded anode laser diode.Current up to 2A.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Laser Circuits

  • Driver for APD Avalanche Photodiode with Op Amplifier

    published on 23-06-2011

    An Op Amplifier 445 with asymmetrical power supply voltages, works as driver for and APD Avalache Photodiode

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina 7+ Yes 11-20

    Path: SPICE Projects > General Electronics > Optical Circuits

  • Brightness LED control with Op Amplifier

    published on 23-06-2011

    Led placed in the 343 Op Amplifier feedback, whose current and brightness is controlled by the voltage in not inverting input.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Simple Tina 7+ Yes <10

    Path: SPICE Projects > Consumer Circuits > Light Control Circuits

  • 12V input 1.05V output Step Down Buck Converter

    published on 10-04-2011

    Step Down Buck Converter with integrated mosfet implemented with TPS51315

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Intermediate Tina 7+ Yes 11-20 1

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • Light Switch with Thyristor

    published on 09-04-2011

    Light switch with two push buttons to turn on and turn off implemented with a thyristor

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ No <10 1

    Path: SPICE Projects > General Electronics > Light Switching Circuits

  • Phototransistor switch

    published on 06-04-2011

    A phototransistor works as a switch and turn on/off a light

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Intermediate Tina 7+ Yes 11-20 1

    Path: SPICE Projects > General Electronics > Optical Circuits

  • Boost Converter from 0.9V input to 5.5V output with tps61020

    published on 04-04-2011

    This devices provide a power supply for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Output currents can go as high as 200 mA while using a single-cell alkaline, and discharge it down to 0.9 V. It can also be used for generating 5 V at 500 mA from a 3.3-V rail or a Li-Ion battery. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Intermediate Tina 7+ Yes 11-20 1

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • 12V to 1.5V Buck Converter

    published on 04-04-2011

    The TPS40190 is a cost-optimized synchronous buck controller that operates from 4.5 V to 15 V nominally, and implements a fixed frequency voltage mode power supply

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Intermediate Tina 7+ Yes 21-30 1

    Path: SPICE Projects > Power And Battery Circuits > Switching Power Supplies

  • Photo Flash Charger Capacitor with IGBT

    published on 04-04-2011

    photo flash charger capacitor and flashing xenon tube with an insulated gate bipolar transfer (IGBT) ON driver. This device has an integrated voltage reference, power switch (SW), comparators for peak current detection/power SW turnon detection/charge complete detection, an IGBT driver, and control logics for charging applications/driving IGBT applications.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes 11-20 1

    Path: SPICE Projects > Consumer Circuits > Photography Related Circuits

  • 0-10V 10mA DAC Interface Circuit

    published on 30-03-2011

    A precision buffer amplifier for a DAC output.This type of current source can be very useful in industrial interface applications.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Intermediate Tina 7+ Yes 11-20 1

    Path: SPICE Projects > General Electronics > Digital To Analog Converters

  • Second Order Low Pass Filter with Zero DC Offset

    published on 23-03-2011

    Second Order Low Pass Filter with Zero DC Offset

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • Twin Tee 1900Hz Fliege Notch Filter

    published on 23-03-2011

    Twin Tee 1900Hz Fliege Notch Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Intermediate Tina 7+ Yes 11-20 1

    Path: SPICE Projects > General Electronics > Active filters

  • Twin Tee 60 Hz Notch Filter

    published on 23-03-2011

    Twin Tee 60 Hz Notch Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Intermediate Tina 7+ Yes 11-20 1

    Path: SPICE Projects > General Electronics > Active filters

  • 650Hz to 3000Hz Tunable Low Pass Filter with Two Opamp

    published on 23-03-2011

    650Hz to 3000Hz Tunable Low Pass Filter with Two Opamp

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Intermediate Tina 7+ Yes 11-20 1

    Path: SPICE Projects > General Electronics > Active filters

  • 650Hz to 3000Hz Tunable Low Pass Filter

    published on 23-03-2011

    650Hz to 3000Hz Tunable Low Pass Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • 750Hz to 1200Hz tunable Low Pass Filter

    published on 23-03-2011

    750Hz to 1200Hz tunable Low Pass Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • 300 Hz to 2800 Hz Speech Communication Band Pass Filter

    published on 23-03-2011

    300 Hz to 2800 Hz Speech Communication Band Pass Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Intermediate Tina 7+ Yes 11-20 1

    Path: SPICE Projects > General Electronics > Active filters

  • Low Pass and High Pass Filter

    published on 23-03-2011

    Low Pass and High Pass Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • 1KHz Low Pass Filter with All Pass Group Delay Correction Filter

    published on 23-03-2011

    1KHz Low Pass Filter with All Pass Group Delay Correction Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes 11-20 1

    Path: SPICE Projects > General Electronics > Active filters

  • 100KHz Low Pass Filter with Low DC Offset

    published on 23-03-2011

    100KHz Low Pass Filter with Low DC Offset

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • Feedback Capacitor Low Pass Filter Pitfalls

    published on 23-03-2011

    Feedback Capacitor Low Pass Filter Pitfalls

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • Low Pass Filter with THS4505

    published on 23-03-2011

    Low Pass Filter with THS4505

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • Differential and Common-Mode RFI Filter Analysis

    published on 23-03-2011

    Differential and Common-Mode RFI Filter Analysis

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes 11-20 1

    Path: SPICE Projects > General Electronics > Active filters

  • Bandwidth limiter in a non inverting opamp

    published on 23-03-2011

    Bandwidth limiter in a non inverting opamp

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • 455KHz All Pass Filter

    published on 23-03-2011

    455KHz All Pass Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • 1 KHz All Pass Filter

    published on 23-03-2011

    1 KHz All Pass Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • 50Hz Notch filter

    published on 23-03-2011

    50Hz Notch filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • 20 KHz Second Order Low Pass Filter

    published on 23-03-2011

    20 KHz Second Order Low Pass Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • 10 MHz Low Pass Filter

    published on 23-03-2011

    10 MHz Low Pass Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • 10 Hz Low Pass Filter

    published on 23-03-2011

    10 Hz Low Pass Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • Second order All Pass Filter

    published on 23-03-2011

    Second order All Pass Filter

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > General Electronics > Active filters

  • 1 Khz Wien Bridge Oscillator

    published on 22-03-2011

    1 Khz Wien Bridge Oscillator

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes 11-20 1

    Path: SPICE Projects > Signal Generation Circuits

  • Triangular and Square Wave Oscillator

    published on 22-03-2011

    Triangular and Square Wave Oscillator

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes 11-20 1

    Path: SPICE Projects > Signal Generation Circuits

  • 500 Khz Sine and Square Wave Oscillator

    published on 22-03-2011

    500 Khz Sine and Square Wave Oscillator

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > Signal Generation Circuits

  • 1 Khz Triangle and Square Wave Oscillator

    published on 22-03-2011

    1 Khz Triangle and Square Wave Oscillator

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > Signal Generation Circuits

  • 1 Khz RC Phase Shift Oscillator

    published on 22-03-2011

    1 Khz RC Phase Shift Oscillator

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes <10 1

    Path: SPICE Projects > Signal Generation Circuits

  • Headphone Amplifier

    published on 20-03-2011

    Headphone amplifier with OPA 227 and BUF 634

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes 11-20 1

    Path: SPICE Projects > Audio Circuits > Preamplifiers > IC Preamplifers

  • Speech Band Amplifier

    published on 20-03-2011

    Speech amplifier with 2 OPA 347

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes 11-20 1

    Path: SPICE Projects > Audio Circuits > Audio Effects Circuits

  • RIAA/NAB Equalization Amplifier

    published on 20-03-2011

    Equalization RIAA or NAB curves with OPA 134

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes 11-20 1

    Path: SPICE Projects > Audio Circuits > Audio Effects Circuits

  • Microphone Amplifier with differential output

    published on 20-03-2011

    Microphone Amplifier with 2 OPA 134

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes 11-20 1

    Path: SPICE Projects > Audio Circuits > Preamplifiers > IC Preamplifers

  • Electret Microphone Preamplifier

    published on 20-03-2011

    OPA 364 Microphone preamplifier

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes 11-20 1

    Path: SPICE Projects > Audio Circuits > Preamplifiers > IC Preamplifers

  • Bass treble Tone Control Amplifier

    published on 20-03-2011

    IC OPA134 Tone control amplifier. Test online with TINACloud by clicking the Bode diagram link below. When the circuit appears, select Analysis/AC Analysis/AC Transfer Characteristic to get the Bode diagram

     

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number Documents
    Simple Tina 7+ Yes 11-20 1

    Path: SPICE Projects > Audio Circuits > Tone Control Circuits