Version 4 SHEET 1 1024 884 WIRE -896 -448 -1168 -448 WIRE -544 -448 -896 -448 WIRE -416 -448 -544 -448 WIRE -48 -448 -416 -448 WIRE 64 -448 -48 -448 WIRE 400 -448 64 -448 WIRE -416 -400 -416 -448 WIRE -1168 -384 -1168 -448 WIRE 64 -384 64 -448 WIRE -48 -352 -48 -448 WIRE -416 -304 -416 -336 WIRE -1168 -272 -1168 -304 WIRE -1168 -272 -1248 -272 WIRE 64 -272 64 -304 WIRE -1168 -256 -1168 -272 WIRE -1248 -240 -1248 -272 WIRE -48 -224 -48 -288 WIRE -48 -224 -224 -224 WIRE 0 -224 -48 -224 WIRE -224 -160 -224 -224 WIRE 400 -80 400 -448 WIRE -224 -32 -224 -80 WIRE 336 -32 224 -32 WIRE 64 16 64 -176 WIRE 64 16 -80 16 WIRE 160 16 64 16 WIRE 224 80 224 64 WIRE 400 80 400 16 WIRE 400 80 224 80 WIRE -80 96 -80 16 WIRE 400 96 400 80 WIRE 64 160 64 16 WIRE -80 208 -80 176 WIRE 0 208 -80 208 WIRE -80 240 -80 208 WIRE 400 240 400 176 WIRE 400 240 176 240 WIRE 592 240 400 240 WIRE 640 240 592 240 WIRE 400 272 400 240 WIRE -816 352 -864 352 WIRE -736 352 -816 352 WIRE -448 352 -592 352 WIRE 176 352 176 240 WIRE 176 352 -368 352 WIRE -864 368 -864 352 WIRE -816 368 -816 352 WIRE 640 368 640 320 WIRE 400 384 400 352 WIRE 400 384 224 384 WIRE 224 400 224 384 WIRE -80 448 -80 320 WIRE 64 448 64 256 WIRE 64 448 -80 448 WIRE 160 448 64 448 WIRE 400 448 400 384 WIRE -816 464 -816 448 WIRE -816 464 -976 464 WIRE -80 480 -80 448 WIRE 336 496 224 496 WIRE -896 528 -896 -448 WIRE 64 528 64 448 WIRE -976 544 -976 464 WIRE -928 544 -976 544 WIRE -544 544 -544 -448 WIRE -1824 560 -1888 560 WIRE -1680 560 -1824 560 WIRE -1648 560 -1680 560 WIRE -1520 560 -1568 560 WIRE -1456 560 -1520 560 WIRE -1328 560 -1392 560 WIRE -816 560 -816 544 WIRE -816 560 -864 560 WIRE -752 560 -816 560 WIRE -672 560 -688 560 WIRE -576 560 -672 560 WIRE -1328 576 -1328 560 WIRE -928 576 -1328 576 WIRE -80 576 -80 544 WIRE -80 576 -512 576 WIRE 0 576 -80 576 WIRE -592 592 -592 352 WIRE -576 592 -592 592 WIRE -1680 624 -1680 560 WIRE -1520 624 -1520 560 WIRE -672 624 -672 560 WIRE -1328 640 -1328 576 WIRE 64 688 64 624 WIRE -192 720 -288 720 WIRE -1680 736 -1680 704 WIRE -1520 736 -1520 688 WIRE -1888 752 -1888 560 WIRE -1328 752 -1328 720 WIRE -672 752 -672 704 WIRE -288 752 -288 720 WIRE -192 768 -192 720 WIRE -1168 832 -1168 -176 WIRE -896 832 -896 592 WIRE -896 832 -1168 832 WIRE -544 832 -544 608 WIRE -544 832 -896 832 WIRE -288 832 -288 816 WIRE -288 832 -544 832 WIRE 64 832 64 768 WIRE 64 832 -288 832 WIRE 400 832 400 544 WIRE 400 832 64 832 WIRE -1888 864 -1888 832 FLAG -1888 864 0 FLAG -1248 -240 0 FLAG 640 368 0 FLAG 592 240 out FLAG -1824 560 in FLAG -1328 752 0 FLAG -864 368 0 FLAG -672 752 0 FLAG -224 -32 0 FLAG -1680 736 0 FLAG -1520 736 0 FLAG -416 -304 0 FLAG -192 768 0 SYMBOL npn 336 448 R0 SYMATTR InstName Q1 SYMBOL npn 160 -32 R0 SYMATTR InstName Q2 SYMBOL pnp 336 16 M180 SYMATTR InstName Q3 SYMBOL pnp 160 496 M180 SYMATTR InstName Q4 SYMATTR Value 2N5401 SYMBOL npn 0 160 R0 SYMATTR InstName Q5 SYMBOL res -96 80 R0 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL res -96 224 R0 SYMATTR InstName R2 SYMATTR Value 5k SYMBOL npn 0 528 R0 SYMATTR InstName Q8 SYMBOL res 48 672 R0 SYMATTR InstName R5 SYMATTR Value 47 SYMBOL voltage -1888 736 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 0 WINDOW 3 24 44 Left 2 SYMATTR Value2 AC 1 SYMATTR Value SINE(0 0.001 440) SYMATTR InstName V1 SYMBOL voltage -1168 -400 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 12 SYMBOL voltage -1168 -272 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V3 SYMATTR Value 12 SYMBOL res 384 80 R0 SYMATTR InstName R6 SYMATTR Value .22 SYMBOL res 384 256 R0 SYMATTR InstName R8 SYMATTR Value .22 SYMBOL res 624 224 R0 SYMATTR InstName R7 SYMATTR Value 8 SYMBOL OpAmps\\OP227 -544 512 R0 SYMATTR InstName U1 SYMBOL cap -96 480 R0 SYMATTR InstName C1 SYMATTR Value 220p SYMBOL res -352 336 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 22k SYMBOL res -1344 624 R0 SYMATTR InstName R9 SYMATTR Value 22k SYMBOL OpAmps\\OP227 -896 496 R0 SYMATTR InstName U2 SYMBOL res -832 448 R0 SYMATTR InstName R10 SYMATTR Value 10k SYMBOL res -832 352 R0 SYMATTR InstName R11 SYMATTR Value 1k SYMBOL res -688 608 R0 SYMATTR InstName R12 SYMATTR Value 470 SYMBOL res -576 336 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 1k SYMBOL cap -672 336 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value 1µ SYMBOL pnp 0 -176 M180 SYMATTR InstName Q6 SYMATTR Value 2N5401 SYMBOL LED -32 -352 M0 SYMATTR InstName D1 SYMATTR Value L1C1-RED1000000000 SYMBOL res 48 -400 R0 SYMATTR InstName R13 SYMATTR Value 68 SYMBOL res -240 -176 R0 SYMATTR InstName R14 SYMATTR Value 10k SYMBOL cap -1536 624 R0 SYMATTR InstName C5 SYMATTR Value 1n SYMBOL res -1552 544 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R15 SYMATTR Value 2.2k SYMBOL res -1696 608 R0 SYMATTR InstName R16 SYMATTR Value 100k SYMBOL polcap -304 752 R0 WINDOW 3 24 56 Left 2 SYMATTR Value 1000µ SYMATTR InstName C6 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=50 Irms=18m Rser=10 Lser=0 mfg="Nichicon" pn="UPR1H2R2MAH" type="Al electrolytic" SYMBOL polcap -432 -400 R0 WINDOW 3 24 56 Left 2 SYMATTR Value 1000µ SYMATTR InstName C7 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=50 Irms=18m Rser=10 Lser=0 SYMBOL polcap -1456 576 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C8 SYMATTR Value 2.2µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=50 Irms=18m Rser=10 Lser=0 mfg="Nichicon" pn="UPR1H2R2MAH" type="Al electrolytic" SYMBOL polcap -752 576 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C2 SYMATTR Value 220µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=50 Irms=18m Rser=10 Lser=0 mfg="Nichicon" pn="UPR1H2R2MAH" type="Al electrolytic" TEXT -912 -664 Left 2 !.tran 0 .02 0 TEXT -912 -688 Left 2 !.lib opamp.sub TEXT -912 -640 Left 2 !.meas Offset AVG V(out)