Version 4 SHEET 1 1000 680 WIRE 272 -80 112 -80 WIRE 416 -80 272 -80 WIRE 112 -48 112 -80 WIRE 272 -48 272 -80 WIRE 416 16 416 -80 WIRE 272 64 272 32 WIRE 352 64 272 64 WIRE 112 80 112 32 WIRE 272 96 272 64 WIRE 416 160 416 112 WIRE 448 160 416 160 WIRE 560 160 560 128 WIRE 560 160 512 160 WIRE 560 176 560 160 WIRE 416 208 416 160 WIRE -176 256 -176 224 WIRE -112 256 -176 256 WIRE 0 256 -32 256 WIRE 96 256 64 256 WIRE 144 256 96 256 WIRE 272 256 272 224 WIRE 272 256 224 256 WIRE 352 256 272 256 WIRE -176 304 -176 256 WIRE 272 304 272 256 WIRE 96 352 96 256 WIRE 208 352 96 352 WIRE 96 384 96 352 WIRE -176 496 -176 384 WIRE 96 496 96 464 WIRE 96 496 -176 496 WIRE 272 496 272 400 WIRE 272 496 96 496 WIRE 416 496 416 304 WIRE 416 496 272 496 WIRE 560 496 560 256 WIRE 560 496 416 496 WIRE 96 528 96 496 FLAG 112 80 0 FLAG 96 528 0 FLAG -176 224 input IOPIN -176 224 Out FLAG 560 128 output IOPIN 560 128 Out SYMBOL npn 208 304 R0 WINDOW 0 102 91 Left 0 WINDOW 3 101 118 Left 0 SYMATTR InstName Q1 SYMATTR Value 2N3904 SYMBOL npn 352 16 R0 WINDOW 0 107 -20 Left 0 WINDOW 3 108 8 Left 0 SYMATTR InstName Q2 SYMATTR Value 2N2222 SYMBOL pnp 352 304 M180 WINDOW 3 99 -12 Left 0 SYMATTR Value 2N4403 SYMATTR InstName Q3 SYMBOL diode 256 160 R0 WINDOW 0 -42 2 Left 0 WINDOW 3 -94 33 Left 0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL diode 256 96 R0 WINDOW 0 -43 2 Left 0 WINDOW 3 -93 35 Left 0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL res 256 -64 R0 SYMATTR InstName R3 SYMATTR Value 560 SYMBOL res 240 240 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 33K SYMBOL res 80 368 R0 SYMATTR InstName R5 SYMATTR Value 33K SYMBOL res -16 240 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R6 SYMATTR Value 47K SYMBOL polcap 64 240 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value 33µF SYMBOL voltage 112 -64 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 9V SYMBOL voltage -176 288 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value SINE(0 6V 1kHz) SYMBOL res 544 160 R0 SYMATTR InstName RL SYMATTR Value 8 SYMBOL polcap 448 144 M90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value 1000µF TEXT -208 552 Left 0 !.tran 0.2 startup uic TEXT -144 112 Left 0 !.meas x pp v(input)\n.meas y pp v(output)\n.meas y/x