PSpice Textual Description

6.Simulate the transient response of OPAMP INTEGRATOR with linear AC model of OPAMP.
PSPICE CODING:

*opamp integrator

VIN 1 0 PWL(0 0 1NS -1V 1MS -1V 1.0001MS 1V 2MS 1V 2.0001MS -1V 3MS -1V 3.0001MS 1V 4MS 1V)

R1 1 2 2.5K

RF 2 4 1MEG

RX 3 0 2.5K

RL 4 0 100K

C1 2 4 0.1UF

XA1 2 3 4 0 OPAMP

.SUBCKT OPAMP 1 2 7 4

RI 1 2 2.0E6

GB 4 3 1 2 0.1M

R1 3 4 10K

C1 3 4 1.5619UF

EA 4 5 3 4 2E+5

RO 5 7 75

.ENDS

.TRAN 50US 4mS

.OP

.PROBE

.END

GRAPHICAL ANALYZER:

 

opampint

 

7. SIMULATE  the OPAMP DIFFERENTIATOR circuit for transient response.

PSPICE CODING: *opamp differentiator

VIN 1 0 PWL (0 0 1MS 1 2MS 0 3MS 1 4MS 0)

R1 1 2 100

RF 3 4 10K

RX 5 0 10K

RL 4 0 100K

C1 2 3 0.4UF

XA1 3 5 4 0 OPAMP

.SUBCKT OPAMP 1 2 7 4

RI 1 2 2.0E6

GB 4 3 1 2 0.1M

R1 3 4 10K

C1 3 4 1.5619UF

EA 4 5 3 4 2E+5

RO 5 7 75

.ENDS OPAMP

.TRAN 10US 4MS

.OP

.PROBE

.END

GRAPHICAL ANALYZER:

diffopamp

Posted in OrCAD PSpice and tagged , , .