Version 4 SHEET 1 896 680 WIRE 624 16 624 0 WIRE 624 144 624 96 WIRE 656 144 624 144 WIRE 80 160 48 160 WIRE 784 160 720 160 WIRE 176 176 144 176 WIRE 288 176 240 176 WIRE 320 176 288 176 WIRE 416 176 384 176 WIRE 512 176 416 176 WIRE 656 176 512 176 WIRE -80 192 -112 192 WIRE -48 192 -80 192 WIRE 80 192 16 192 WIRE 688 208 688 192 WIRE 48 224 48 160 WIRE 112 224 112 208 WIRE 288 224 288 176 WIRE 416 224 416 176 WIRE 624 224 624 144 WIRE -112 240 -112 192 WIRE 512 240 512 176 WIRE -272 256 -272 224 WIRE 288 320 288 288 WIRE 416 336 416 304 WIRE 512 336 512 304 WIRE 624 336 624 304 WIRE -272 368 -272 336 WIRE -112 368 -112 320 FLAG 112 224 0 FLAG 48 224 0 FLAG 416 336 0 FLAG 512 336 0 FLAG 624 336 0 FLAG 688 208 0 FLAG -272 368 0 FLAG 784 160 out FLAG -112 368 0 FLAG 288 320 0 FLAG -80 192 in FLAG -272 224 V+ FLAG 112 144 V+ FLAG 624 0 V+ FLAG 688 128 V+ FLAG 512 176 U_C1 SYMBOL diode 320 192 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL res 400 208 R0 SYMATTR InstName R1 SYMATTR Value 2.2Meg SYMBOL res 608 208 R0 SYMATTR InstName R2 SYMATTR Value 500k SYMBOL polcap 496 240 R0 WINDOW 3 24 56 Left 2 SYMATTR Value 100µ SYMATTR InstName C1 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=16 Irms=0 Rser=6.5 Lser=0 SYMBOL cap 16 176 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 1000n SYMBOL voltage -112 224 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 3 -71 198 Left 2 SYMATTR Value SINE(0 50mV 1kHz 10 0 0 1000) SYMATTR InstName V1 SYMBOL voltage -272 240 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL diode 304 288 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL cap 240 160 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 1000n SYMBOL res 608 0 R0 SYMATTR InstName R4 SYMATTR Value 2.2Meg SYMBOL LM358 112 112 R0 WINDOW 3 -23 154 Left 2 SYMATTR InstName U3 SYMBOL LM358 688 96 R0 SYMATTR InstName U4 TEXT -448 424 Left 2 !.tran 200 startup TEXT 184 392 Left 2 !.inc LM358.lib