* source CHAP12_EX12-12
V_V1         VCC 0 5V
R_RB         VC VCC  10k  
R_R3         0 VOUT  10k  
C_C1         0 VC  10uF  
C_C2         0 N18680  0.01uF  
X_U2         0 VTRIGGER VOUT VCC N18680 VC VC VCC TLC555/TI
V_V2         VTRIGGER 0  
+PULSE 5v 0v 0.2s 0 0 10ms 1s
