PSPICE PROGRAMS

*SCHMITT TRIGGER
R1 0 1 10K
RF 1 2 18K
VCC 3 0 15V
VEE 0 4 15V
RL 2 0 10K
VS 5 0 SIN(0 10V 400HZ)
R 6 2 100M
RX 5 6 8.43K
RP 2 3 0.5K
.LIB NOM.LIB
.TRAN 1US 4MS
.PROBE
.END

PSPICE PROGRAMS

*NON- INVERTING AMPLIFIER
RI 2 1 1E12
RO 3 4 75
EOP 4 0 2 1 1E10
RF 3 1 5K
R1 1 0 1K
.TF V(3) VIN
.PRINT DC V(3) V(2)
VIN 2 0 AC 10MV SIN(0,10MV,1KHZ)
.OP
.PROBE
.TRAN 1US 1MS
.END

PSPICE PROGRAMS

*INVERTING AMPLIFIER
RI 2 1 1E12
RO 3 4 75
EOP 4 0 2 1 1E10
RF 3 1 5K
R1 1 0 1K
ROM 2 0 100M
.TF V(3) VIN
.PRINT DC V(3) V(1)
VIN 1 0 AC 10MV SIN(0,10MV,1KHZ)
.OP
.PROBE
.TRAN 1US 1MS
.END

PSPICE PROGRAMS

*CLAMPING CIRCUIT
VS 1 0 PULSE(-10V 20V 0V 1US 1US 6MS 14MS)
RS 1 2 50
C 2 3 0.1UF
R 3 0 1.4MEG
V1 0 4 DC 5V
D1 3 4 DIN4148
.MODEL DIN4148 D(IS=2.68N CJO=4P M=.3333 VJ=.5 BV=100 IBV=100U TT=11.54N)
.OP
.PROBE
.TRAN 10US 15MS
.END

PSPICE PROGRAMS

*VOLTAGE FOLLOWER
R1 2 1 1E12
Ro 3 4 75
Eop 4 0 2 1 2E10
RF 3 2 100M
.PRINT DC V(3) V(1)
VIN 1 0 AC 10MV SIN(0,10MV,1KHZ)
.TF V(3) VIN
.OP
.PROBE
.TRAN 1US 1MS
.END