The Monostable Multivibrator

** Circuit Description **

* op-amp subcircuit

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

** Main Circuit **
* power supplies
Vcc 5 0 DC +15V
Vee 6 0 DC -15V
* input trigger signal + circuit
Vtrig 7 0 PWL ( 0,+15V 10us,+15V 10.01us,0V 60us,0V 60.01us,+15V 
+ 10ms, +15V 10.00001ms,0V 10.090ms,0V 10.09001ms,+15V 1s,+15V )
C2 7 4 0.1uF 
R4 4 0 100k
D2 2 4 D1N4148
* monostable multivibrator circuit
Xopamp1 2 1 5 6 3 uA741
R1 2 0 1k
R2 2 3 9k
R3 1 3 50k
C1 1 0 0.1uF
D1 1 0 D1N4148
* model statements
.model D1N4148 D (Is=0.1p Rs=16 CJO=2p Tt=12n Bv=100 Ibv=0.1p)
** Analysis Requests **
.IC V(3)=+15V
.TRAN 1ms 2ms 0ms
** Output Requests **
.PLOT TRAN V(7) V(3) V(1)
.probe 
.end