Version 4
SHEET 1 880 680
WIRE -7616 -3136 -7664 -3136
WIRE -7584 -3136 -7616 -3136
WIRE -7664 -3120 -7664 -3136
WIRE -7616 -3088 -7616 -3136
WIRE -7664 -3024 -7664 -3040
WIRE -7664 -3024 -8000 -3024
WIRE -8352 -3008 -8560 -3008
WIRE -8128 -3008 -8224 -3008
WIRE -8048 -3008 -8064 -3008
WIRE -8000 -3008 -8000 -3024
WIRE -7840 -2960 -7936 -2960
WIRE -7616 -2960 -7616 -3008
WIRE -7216 -2960 -7216 -2976
WIRE -7792 -2928 -7808 -2928
WIRE -7664 -2928 -7664 -3024
WIRE -7664 -2928 -7728 -2928
WIRE -8496 -2912 -8496 -2928
WIRE -7536 -2912 -7568 -2912
WIRE -8560 -2896 -8560 -3008
WIRE -8528 -2896 -8560 -2896
WIRE -8144 -2896 -8144 -2912
WIRE -8432 -2880 -8464 -2880
WIRE -8352 -2880 -8352 -3008
WIRE -8352 -2880 -8368 -2880
WIRE -8320 -2880 -8352 -2880
WIRE -8224 -2880 -8224 -3008
WIRE -8224 -2880 -8240 -2880
WIRE -8176 -2880 -8224 -2880
WIRE -8528 -2864 -8560 -2864
WIRE -8048 -2864 -8048 -3008
WIRE -8048 -2864 -8112 -2864
WIRE -7952 -2864 -8048 -2864
WIRE -7840 -2864 -7840 -2960
WIRE -7840 -2864 -7872 -2864
WIRE -7216 -2864 -7216 -2880
WIRE -7184 -2864 -7216 -2864
WIRE -8176 -2848 -8256 -2848
WIRE -7184 -2848 -7184 -2864
WIRE -8496 -2832 -8496 -2848
WIRE -7616 -2832 -7616 -2880
WIRE -7216 -2832 -7216 -2864
WIRE -8560 -2816 -8560 -2864
WIRE -8352 -2816 -8352 -2880
WIRE -7712 -2816 -7712 -2848
WIRE -8144 -2800 -8144 -2832
WIRE -7664 -2800 -7664 -2928
WIRE -7664 -2800 -7680 -2800
WIRE -8000 -2784 -8000 -2912
WIRE -8000 -2784 -8096 -2784
WIRE -7952 -2784 -8000 -2784
WIRE -7808 -2784 -7808 -2928
WIRE -7808 -2784 -7872 -2784
WIRE -7744 -2784 -7808 -2784
WIRE -8224 -2768 -8224 -2880
WIRE -8208 -2768 -8224 -2768
WIRE -8096 -2768 -8096 -2784
WIRE -8096 -2768 -8112 -2768
WIRE -7664 -2768 -7680 -2768
WIRE -7488 -2768 -7520 -2768
WIRE -7392 -2768 -7408 -2768
WIRE -7840 -2752 -7840 -2864
WIRE -7664 -2736 -7664 -2768
WIRE -7616 -2736 -7616 -2752
WIRE -7216 -2736 -7216 -2752
WIRE -8352 -2720 -8352 -2752
WIRE -7712 -2720 -7712 -2752
WIRE -8560 -2704 -8560 -2736
WIRE -8256 -2672 -8256 -2848
WIRE -8160 -2672 -8160 -2704
WIRE -8048 -2656 -8048 -2864
WIRE -7664 -2656 -8048 -2656
WIRE -7520 -2656 -7520 -2768
WIRE -7520 -2656 -7584 -2656
WIRE -7504 -2656 -7520 -2656
WIRE -7392 -2640 -7392 -2768
WIRE -7392 -2640 -7440 -2640
WIRE -7344 -2640 -7392 -2640
WIRE -7840 -2624 -7840 -2672
WIRE -7536 -2624 -7536 -2912
WIRE -7504 -2624 -7536 -2624
FLAG -8144 -2912 +12V
FLAG -8560 -2704 0
FLAG -7184 -2848 0
FLAG -7216 -2976 +12V
FLAG -7216 -2736 -12V
FLAG -8160 -2672 0
FLAG -8144 -2800 -12V
FLAG -8256 -2672 0
FLAG -7840 -2624 0
FLAG -7712 -2848 +12V
FLAG -7712 -2720 -12V
FLAG -7664 -2736 0
FLAG -7472 -2672 +12V
FLAG -7472 -2608 -12V
FLAG -7584 -3136 +12V
FLAG -8496 -2928 +12V
FLAG -8496 -2832 -12V
FLAG -7616 -2736 0
FLAG -8352 -2720 0
FLAG -8560 -2864 in
FLAG -7344 -2640 out
FLAG -8352 -3008 Upeak
SYMBOL Misc\\EuropeanResistor -8336 -2864 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL voltage -8560 -2832 R0
WINDOW 3 -29 168 Left 2
WINDOW 123 24 44 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 32 108 Left 2
SYMATTR Value SINE(0 {Uin} 40)
SYMATTR InstName V3
SYMBOL voltage -7216 -2976 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 40 33 Left 2
WINDOW 3 39 73 Left 2
SYMATTR InstName V1
SYMATTR Value 12V
SYMBOL voltage -7216 -2848 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 43 38 Left 2
WINDOW 3 43 76 Left 2
SYMATTR InstName V2
SYMATTR Value 12V
SYMBOL Misc\\EuropeanResistor -7968 -2848 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 15k
SYMBOL Misc\\EuropeanResistor -7824 -2768 M0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor -7856 -2768 M270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 2k
SYMBOL Misc\\EuropeanResistor -7648 -3024 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R5
SYMATTR Value 1meg
SYMBOL cap -8064 -3024 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 220p
SYMBOL cap -7728 -2944 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 33p
SYMBOL npn2 -8208 -2704 R270
WINDOW 0 -11 -13 VRight 2
WINDOW 3 -11 72 VRight 2
SYMATTR InstName Q1
SYMATTR Value BC413
SYMBOL npn2 -7936 -3008 M0
WINDOW 0 -37 22 Left 2
WINDOW 3 -70 73 Left 2
SYMATTR InstName Q2
SYMATTR Value BC413
SYMBOL Opamps\\opamp2 -8144 -2928 R0
WINDOW 3 9 109 Left 2
SYMATTR Value TL084
SYMATTR InstName U1
SYMBOL Opamps\\opamp2 -7712 -2848 M0
SYMATTR InstName U2
SYMATTR Value TL084
SYMBOL Opamps\\opamp2 -7472 -2704 R0
SYMATTR InstName U3
SYMATTR Value TL084
SYMBOL Misc\\EuropeanResistor -7680 -2640 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 330k
SYMBOL Misc\\EuropeanResistor -7504 -2752 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 330k
SYMBOL Opamps\\opamp2 -8496 -2944 R0
WINDOW 3 17 115 Left 2
SYMATTR Value TL084
SYMATTR InstName U4
SYMBOL diode -8432 -2864 R270
WINDOW 0 39 16 VTop 2
WINDOW 3 66 58 VBottom 2
SYMATTR InstName D1
SYMATTR Value DD
SYMBOL Misc\\EuropeanResistor -7632 -3104 R0
SYMATTR InstName R8
SYMATTR Value 47k
SYMBOL Misc\\EuropeanResistor -7632 -2736 M180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R10
SYMATTR Value 8.2k
SYMBOL potentiometer_standard -7632 -2976 R0
WINDOW 0 43 14 Left 2
WINDOW 3 43 42 Left 2
WINDOW 38 88 13 Left 2
SYMATTR InstName U5
SYMATTR Value Rtot=1K wiper=0.5
SYMATTR SpiceLine ""
SYMBOL cap -8368 -2816 R0
SYMATTR InstName C3
SYMATTR Value 1µ
TEXT -8184 -3160 Left 2 ;.temp 15 35
TEXT -7504 -3072 Left 2 !.include bc.lib
TEXT -7504 -3040 Left 2 !.include TL084.301
TEXT -7504 -3136 Left 2 !.model DD D(Is=22n N=2.1)
TEXT -7504 -3104 Left 2 !.include potentiometer_standard.lib
TEXT -8568 -3064 Left 2 !.tran 0 200m 0 .2m
TEXT -8560 -3208 Left 2 !.param Uin=0.2
TEXT -8568 -3160 Left 2 !.step dec param Uin 0.2m 2 1\n.step temp list 15 35
TEXT -8568 -3096 Left 2 !.meas Uout AVG V(out)
TEXT -8328 -3208 Left 2 ;.options gmin=1e-10 abstol=1e-10