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Audio Circuits

SPICE projects about Tubes Preamplifiers, IC Preamplifiers, Discrete Component Premplifiers, Power Tubes Amplifiers, Power IC Amplifiers, Power Discrete Amplifiers, Tone Control circuits, Audio Effects circuits, etc

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  • OpAmp Booster

    Created by bill9999, published on 03-03-2013

    Cheap Audio Power amp using common OpAmp and Transistors

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Tina-TI 9 No 51-100

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

  • RIIA Corrector with transistors BJT

    Created by TINADesigner, 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

  • Marshall Leach Low IMD Amplifier

    Created by Faman2012, published on 17-12-2012

    LTspice simulation of the last version of low transient intermodulation distortion amplifier by Professor W. Marshall Leach. The amplifier is a fully complementary, direct-coupled design, with a closed loop frequency response wich extends from 0.5hz to above 200khz.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Advanced LTspice IV No 51-100

    Path: SPICE Projects > Audio Circuits > Power Amplifiers > Discrete Comp. Power Amplifiers

  • Class D Audio Power Amplifier with built in Boost Converter

    Created by TINADesigner, 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

  • Stereo Headphone Amplifier with TPA6138A2

    Created by TINADesigner, 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

  • Full Course in Designing Three Stages Audio Power Amplifiers

    Created by Cribald, published on 26-06-2012

    A full course and a practical and easy way to learn 3-stage audio power amplifiers design with theory and SPICE simulation analysis results in PSpice. You 'll learn to calculate and size components of a basic three stage power amplifier. The sources current circuits of the first stage, study of the effects of a feedback signal application, the mirroring of the first stage currents, design of a typical dual rail power supply for a fixed power, features of enhanced output stages with a current limiter, a zobel network filter, Nyquist Criterion to validate the stability of the amplifier with a feedback applied, how to implement frequency compensation with one or two dominant poles with compensation capacitors, design of top quality BJT 100W quasi complementary class B, 100W complementary class B, 140W class B, 40W class A.

      $ 69.90

    Buy

    Project Type: Share

    Complexity Spice Software Software Version Full version Components number
    Advanced PSpice 9.2+ Yes >100

    Path: SPICE Projects > Audio Circuits > Power Amplifiers > Discrete Comp. Power Amplifiers

  • Top Quality Perfomances BJTs 40 watt very low Distortion Class A Power Amplifier

    Created by Cribald, published on 26-06-2012

    three stages class A amplifier, double simmetrical differential couple with current mirrors. Sources currents with automatic control of the constant current amplitude. Feedback circuit and couple of compensation capacitors for every differential couple of the first stage. Darlington and cascode configuration transistors in the intermediate stage. Complementary parallel final transistors in emitter follower configuration, and SOAR circuit with double slope limiter circuit.

      $ 15.50

    Buy

    Project Type: Share

    Complexity Spice Software Software Version Full version Components number
    Advanced PSpice 9.2+ Yes >100

    Path: SPICE Projects > Audio Circuits > Power Amplifiers > Discrete Comp. Power Amplifiers

  • simple audio amplifier

    Created by jnhuang2003, published on 17-04-2012

    simple audio amplifier sample circuit with OP AMP LM833

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Very Simple LTspice LTSpice No <10

    Path: SPICE Projects > Audio Circuits > Tone Control Circuits

  • BJT and FET Audio Amplifier

    Created by MicroCapDesigner, published on 16-04-2012

    this audio amplifier shows a THD of 0.1% at 25Watt RMS on a 8 Ohm impedance. It uses BJT transistors and a complementary couple of power MOSFET as final transistors

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate Micro-Cap 9+ No 31-50

    Path: SPICE Projects > Audio Circuits > Power Amplifiers > Discrete Comp. Power Amplifiers

  • Ultralinear Line Stage Amplifier

    Created by TopSpiceDesigner, published on 13-04-2012

    this line stage amplifier uses a 6BM8P pentode to the first stage and two 6SN7 triodes.It has 7.2 DB of gain and a low distortion for a tube amp.

    FREE

    (only to registered users)

    Project Type: Free

    Complexity Spice Software Software Version Full version Components number
    Intermediate TopSpice 8.18+ No 11-20

    Path: SPICE Projects > Audio Circuits > Preamplifiers > Tubes Preamplifiers

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