Version 4 SHEET 1 1308 1708 WIRE 736 -320 -912 -320 WIRE -672 -272 -800 -272 WIRE -608 -272 -672 -272 WIRE -448 -272 -608 -272 WIRE -144 -272 -448 -272 WIRE -80 -272 -144 -272 WIRE 224 -272 -80 -272 WIRE 432 -272 224 -272 WIRE 624 -272 432 -272 WIRE 1008 -272 624 -272 WIRE -448 -240 -448 -272 WIRE 224 -240 224 -272 WIRE 432 -240 432 -272 WIRE 624 -240 624 -272 WIRE -672 -192 -672 -272 WIRE -608 -192 -608 -272 WIRE -144 -144 -144 -272 WIRE -448 -128 -448 -160 WIRE -288 -128 -448 -128 WIRE 224 -128 224 -160 WIRE 432 -128 432 -160 WIRE 624 -128 624 -160 WIRE -448 -112 -448 -128 WIRE 160 -80 128 -80 WIRE 368 -80 176 -80 WIRE 560 -80 368 -80 WIRE -672 -64 -672 -128 WIRE -608 -64 -608 -128 WIRE -608 -64 -672 -64 WIRE -512 -64 -608 -64 WIRE 128 -48 128 -80 WIRE -912 -16 -912 -320 WIRE -448 0 -448 -16 WIRE -32 0 -448 0 WIRE 64 0 32 0 WIRE -448 16 -448 0 WIRE -288 64 -288 -128 WIRE 128 80 128 48 WIRE 176 80 128 80 WIRE 224 80 224 -32 WIRE 224 80 176 80 WIRE 432 80 432 -32 WIRE 432 80 224 80 WIRE 624 80 624 -32 WIRE 624 80 432 80 WIRE -144 112 -144 -64 WIRE -144 112 -224 112 WIRE 64 112 -144 112 WIRE -1024 128 -1056 128 WIRE -912 128 -912 64 WIRE -912 128 -944 128 WIRE -736 128 -912 128 WIRE -608 144 -608 -64 WIRE 400 160 128 160 WIRE 448 160 400 160 WIRE 624 160 624 80 WIRE 624 160 528 160 WIRE 1008 160 1008 -272 WIRE -736 176 -736 128 WIRE -288 192 -288 160 WIRE -144 192 -288 192 WIRE 624 192 624 160 WIRE -144 208 -144 192 WIRE 64 208 -48 208 WIRE -448 224 -448 96 WIRE -288 224 -288 192 WIRE 1008 256 1008 240 WIRE 1024 256 1008 256 WIRE 400 272 400 160 WIRE 1008 272 1008 256 WIRE -800 288 -800 -272 WIRE -912 304 -912 128 WIRE -832 304 -912 304 WIRE 624 304 624 272 WIRE 672 304 624 304 WIRE 736 304 736 -320 WIRE 736 304 672 304 WIRE -736 320 -736 240 WIRE -736 320 -768 320 WIRE -656 320 -736 320 WIRE -448 320 -448 288 WIRE -448 320 -656 320 WIRE -288 320 -288 288 WIRE -864 336 -1040 336 WIRE -832 336 -864 336 WIRE 624 336 624 304 WIRE -448 352 -448 320 WIRE -80 384 -80 -272 WIRE 64 384 -80 384 WIRE 736 400 736 304 WIRE -288 416 -288 400 WIRE -144 416 -144 272 WIRE -144 416 -288 416 WIRE -288 432 -288 416 WIRE 400 432 400 352 WIRE 400 432 128 432 WIRE 448 432 400 432 WIRE 624 432 624 416 WIRE 624 432 528 432 WIRE 1008 928 1008 352 WIRE -144 480 -224 480 WIRE 64 480 -144 480 WIRE -1040 496 -1040 336 WIRE 736 496 736 480 WIRE 176 512 128 512 WIRE 224 512 176 512 WIRE 432 512 224 512 WIRE 624 512 624 432 WIRE 624 512 432 512 WIRE -288 528 -352 528 WIRE -448 544 -448 416 WIRE 128 592 128 512 WIRE -448 640 -448 624 WIRE -32 640 -448 640 WIRE 64 640 32 640 WIRE -448 656 -448 640 WIRE 224 656 224 512 WIRE 432 656 432 512 WIRE 624 656 624 512 WIRE -608 704 -608 224 WIRE -608 704 -688 704 WIRE -512 704 -608 704 WIRE -144 704 -144 480 WIRE 128 704 128 688 WIRE 160 704 128 704 WIRE 368 704 176 704 WIRE 560 704 368 704 WIRE -448 784 -448 752 WIRE -352 784 -352 528 WIRE -352 784 -448 784 WIRE 224 784 224 752 WIRE 432 784 432 752 WIRE 624 784 624 752 WIRE -688 800 -688 704 WIRE -448 800 -448 784 WIRE -608 816 -608 704 WIRE -800 928 -800 352 WIRE -688 928 -688 864 WIRE -688 928 -800 928 WIRE -608 928 -608 880 WIRE -608 928 -688 928 WIRE -448 928 -448 880 WIRE -448 928 -608 928 WIRE -144 928 -144 784 WIRE -144 928 -448 928 WIRE -48 928 -48 208 WIRE -48 928 -144 928 WIRE 224 928 224 864 WIRE 224 928 -48 928 WIRE 432 928 432 864 WIRE 432 928 224 928 WIRE 624 928 624 864 WIRE 624 928 432 928 WIRE 1008 928 624 928 FLAG -1184 576 0 FLAG -1056 128 0 FLAG -864 336 IN FLAG -656 320 OP FLAG 736 496 0 FLAG 1024 256 0 FLAG 672 304 OUT FLAG 176 80 eq1 FLAG 176 512 eq2 FLAG -1040 576 0 SYMBOL pnp 160 -32 M180 WINDOW 0 30 35 Left 2 WINDOW 3 24 63 Left 2 SYMATTR InstName Q3 SYMATTR Value MJL1302A SYMBOL voltage -1184 480 M0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value2 AC 1 SYMATTR InstName V3 SYMATTR Value PULSE(-0.5 0.5 0.1m 0.01µ 0.01µ 500µ 1m) SYMBOL res 720 384 R0 SYMATTR InstName R19 SYMATTR Value 4 SYMBOL npn 160 656 R0 WINDOW 0 33 33 Left 2 WINDOW 3 23 68 Left 2 SYMATTR InstName Q4 SYMATTR Value MJL3281A SYMBOL voltage 1008 144 M0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 22 SYMBOL voltage 1008 256 M0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 22 SYMBOL pnp 368 -32 M180 WINDOW 0 30 35 Left 2 WINDOW 3 24 63 Left 2 SYMATTR InstName Q11 SYMATTR Value MJL1302A SYMBOL pnp 560 -32 M180 WINDOW 0 30 35 Left 2 WINDOW 3 24 63 Left 2 SYMATTR InstName Q12 SYMATTR Value MJL1302A SYMBOL npn 368 656 R0 WINDOW 0 33 33 Left 2 WINDOW 3 23 68 Left 2 SYMATTR InstName Q13 SYMATTR Value MJL3281A SYMBOL npn 560 656 R0 WINDOW 0 33 33 Left 2 WINDOW 3 23 68 Left 2 SYMATTR InstName Q14 SYMATTR Value MJL3281A SYMBOL Misc\\EuropeanResistor 640 288 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R1 SYMATTR Value 0.33 SYMBOL Misc\\EuropeanResistor 640 432 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R2 SYMATTR Value 0.33 SYMBOL Misc\\EuropeanResistor 240 -144 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R3 SYMATTR Value 0.22 SYMBOL Misc\\EuropeanResistor 448 -144 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R7 SYMATTR Value 0.22 SYMBOL Misc\\EuropeanResistor 640 -144 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R8 SYMATTR Value 0.22 SYMBOL Misc\\EuropeanResistor 240 880 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R12 SYMATTR Value 0.22 SYMBOL Misc\\EuropeanResistor 448 880 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R17 SYMATTR Value 0.22 SYMBOL Misc\\EuropeanResistor 640 880 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R18 SYMATTR Value 0.22 SYMBOL npn -512 656 R0 SYMATTR InstName Q15 SYMATTR Value BD139 SYMBOL pnp -512 -16 M180 WINDOW 0 54 32 Left 2 WINDOW 3 56 69 Left 2 SYMATTR InstName Q16 SYMATTR Value BD140 SYMBOL Misc\\EuropeanResistor -432 112 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 48 Left 2 SYMATTR InstName R11 SYMATTR Value 220 SYMBOL Misc\\EuropeanResistor -432 640 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R15 SYMATTR Value 220 SYMBOL diode -464 224 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL diode -464 352 R0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL Misc\\EuropeanResistor -432 896 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R20 SYMATTR Value 100 SYMBOL diode -624 816 R0 SYMATTR InstName D3 SYMATTR Value SR531D2 SYMBOL Misc\\EuropeanResistor -432 -144 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R21 SYMATTR Value 100 SYMBOL diode -624 -192 R0 SYMATTR InstName D4 SYMATTR Value SR531D2 SYMBOL Misc\\EuropeanResistor -592 240 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R22 SYMATTR Value 22K SYMBOL Misc\\EuropeanResistor 432 176 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R23 SYMATTR Value 120 SYMBOL Misc\\EuropeanResistor 384 256 R0 SYMATTR InstName R24 SYMATTR Value 22K SYMBOL diode 32 624 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D5 SYMATTR Value 1N4148 SYMBOL diode -32 16 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 -2 34 VBottom 2 SYMATTR InstName D6 SYMATTR Value 1N4148 SYMBOL Misc\\EuropeanResistor -272 416 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R25 SYMATTR Value 22 SYMBOL pnp -224 528 R180 WINDOW 0 54 32 Left 2 WINDOW 3 56 69 Left 2 SYMATTR InstName Q17 SYMATTR Value BD140 SYMBOL npn -224 64 M0 SYMATTR InstName Q18 SYMATTR Value BD139 SYMBOL cap -688 -192 R0 SYMATTR InstName C1 SYMATTR Value 10µ SYMBOL cap -704 800 R0 SYMATTR InstName C2 SYMATTR Value 10µ SYMBOL Misc\\EuropeanResistor -1040 144 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R10 SYMATTR Value 1K SYMBOL Misc\\EuropeanResistor -928 -32 R0 SYMATTR InstName R9 SYMATTR Value 8.2K SYMBOL Misc\\EuropeanResistor 432 448 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R26 SYMATTR Value 120 SYMBOL pnp 128 208 R180 WINDOW 0 54 32 Left 2 WINDOW 3 56 69 Left 2 SYMATTR InstName Q19 SYMATTR Value BD140 SYMBOL npn 128 384 M0 SYMATTR InstName Q20 SYMATTR Value BD139 SYMBOL Misc\\EuropeanResistor -128 -48 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R27 SYMATTR Value 4,7K SYMBOL Misc\\EuropeanResistor -128 800 R180 WINDOW 0 31 76 Left 2 WINDOW 3 31 40 Left 2 SYMATTR InstName R28 SYMATTR Value 4.7K SYMBOL cap -160 208 R0 SYMATTR InstName C5 SYMATTR Value 100p SYMBOL voltage -1040 480 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V4 SYMATTR Value SINE(0 2 1K) SYMBOL npn 64 -48 R0 SYMATTR InstName Q1 SYMATTR Value BD139 SYMBOL pnp 64 688 M180 WINDOW 3 68 66 Left 2 SYMATTR Value BD140 SYMATTR InstName Q2 SYMBOL diode -304 224 R0 SYMATTR InstName D7 SYMATTR Value SR531D10 SYMBOL cap -752 176 R0 SYMATTR InstName C3 SYMATTR Value 100p SYMBOL Opamps\\opamp2 -800 256 R0 SYMATTR InstName U1 SYMATTR Value LME49860 TEXT 440 984 Left 2 !.tran 0 20m 18m 0.1µ TEXT -800 984 Left 2 !.model SR531D2 D(Ron=26 Roff=1G Vfwd=1.8) TEXT -800 1016 Left 2 !.model SR531D10 D(Ron=9.5 Roff=1G Vfwd=1.8) TEXT -800 1048 Left 2 !.model SR531D20 D(Ron=9 Roff=1G Vfwd=1.8) TEXT 88 984 Left 2 !.include BD139.mod TEXT 88 1008 Left 2 !.include BD140.mod TEXT 88 1032 Left 2 !.include MJL3281A.mod TEXT 88 1056 Left 2 !.include MJL1302A.mod TEXT 88 1080 Left 2 !.include LME49860.lib