Version 4 SHEET 1 880 680 WIRE 352 0 288 0 WIRE 464 0 432 0 WIRE 480 0 464 0 FLAG 288 80 0 FLAG 480 64 0 FLAG 464 0 Vcap SYMBOL cap 464 0 R0 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL res 448 -16 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 1k SYMBOL voltage 288 -16 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 0 1ns 1ns 10ms 20ms) TEXT 248 104 Left 2 !.tran 20m