* source EXERCISE 6-15
V_V1         VIN 0 
+PULSE 5 -5 0 1u 1u 0.5m 1m
C_C1         N00145 VO 0.1u IC=0
V_V2         VCC 0  DC 15
R_R1         VIN N00145 10k 
V_V3         0 VEE  DC 15
X_U2         0 N00145 VCC VEE VO uA741