The Bistable Circuit

** Circuit Description **

* op-amp subcircuit

+++++ place uA741 op-amp subcircuit here (see Fig. 12.1) +++++

** Main Circuit **
* power supplies
Vcc 4 0 DC +15V
Vee 5 0 DC -15V
* input triangular waveform
Vi 1 0 PWL ( 0,-15V 1s,+15V 2s,-15V )
* positive feedback op-amp circuit
Xopamp1 2 1 4 5 3 uA741
R1 2 0 100k
R2 2 3 1Meg
** Analysis Requests **
.OPTIONS itl5=0
.TRAN 10ms 2s 0ms 10ms
** Output Requests **
.PLOT TRAN V(1) V(3)
.probe
.end