Version 4 SHEET 1 880 680 WIRE 112 32 112 16 WIRE 112 144 112 128 WIRE 112 256 112 224 FLAG 112 256 0 SYMBOL PWM 112 80 R0 WINDOW 39 54 4 Left 0 SYMATTR InstName X1 SYMBOL voltage 112 128 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 1 TEXT 64 296 Left 0 !.tran 0 1 0 0.01m