Version 4
SHEET 1 880 680
WIRE -9648 -4192 -9664 -4192
WIRE -9472 -4192 -9568 -4192
WIRE -9664 -4144 -9664 -4192
WIRE -9600 -4144 -9664 -4144
WIRE -10352 -4064 -10368 -4064
WIRE -9632 -4064 -9648 -4064
WIRE -10368 -4048 -10368 -4064
WIRE -9536 -4048 -9536 -4144
WIRE -9536 -4048 -9568 -4048
WIRE -9472 -4048 -9472 -4192
WIRE -9760 -4032 -9776 -4032
WIRE -9664 -4032 -9664 -4144
WIRE -9664 -4032 -9680 -4032
WIRE -9632 -4032 -9664 -4032
WIRE -9472 -4016 -9472 -4048
WIRE -10368 -3952 -10368 -3968
WIRE -10320 -3952 -10368 -3952
WIRE -10368 -3936 -10368 -3952
WIRE -9456 -3904 -9472 -3936
WIRE -9424 -3904 -9456 -3904
WIRE -9392 -3904 -9424 -3904
WIRE -9168 -3904 -9168 -3936
WIRE -9328 -3856 -9360 -3856
WIRE -9232 -3856 -9248 -3856
WIRE -10368 -3840 -10368 -3856
WIRE -10352 -3840 -10368 -3840
WIRE -9456 -3824 -9456 -3840
WIRE -9392 -3824 -9456 -3824
WIRE -9152 -3808 -9168 -3808
WIRE -9136 -3808 -9152 -3808
WIRE -9040 -3808 -9056 -3808
WIRE -9024 -3808 -9040 -3808
WIRE -8944 -3808 -8960 -3808
WIRE -9152 -3776 -9152 -3808
WIRE -9040 -3776 -9040 -3808
WIRE -9040 -3776 -9104 -3776
WIRE -10144 -3760 -10176 -3760
WIRE -10048 -3760 -10064 -3760
WIRE -10048 -3728 -10048 -3760
WIRE -10048 -3728 -10112 -3728
WIRE -9136 -3696 -9152 -3696
WIRE -9456 -3680 -9456 -3824
WIRE -9408 -3680 -9456 -3680
WIRE -10336 -3664 -10352 -3664
WIRE -10176 -3664 -10176 -3760
WIRE -10176 -3664 -10192 -3664
WIRE -10144 -3664 -10176 -3664
WIRE -9840 -3664 -9856 -3664
WIRE -10352 -3648 -10352 -3664
WIRE -10048 -3648 -10048 -3728
WIRE -10048 -3648 -10080 -3648
WIRE -10032 -3648 -10048 -3648
WIRE -9888 -3648 -9968 -3648
WIRE -10144 -3632 -10176 -3632
WIRE -9776 -3632 -9776 -4032
WIRE -9776 -3632 -9824 -3632
WIRE -9280 -3632 -9776 -3632
WIRE -8944 -3632 -8944 -3808
WIRE -8944 -3632 -9200 -3632
WIRE -8896 -3632 -8944 -3632
WIRE -9888 -3616 -9936 -3616
WIRE -9136 -3616 -9152 -3616
WIRE -9840 -3600 -9856 -3600
WIRE -9968 -3584 -9968 -3648
WIRE -9936 -3568 -9936 -3616
WIRE -9888 -3568 -9936 -3568
WIRE -9776 -3568 -9776 -3632
WIRE -9776 -3568 -9808 -3568
WIRE -10352 -3552 -10352 -3568
WIRE -10176 -3552 -10176 -3632
WIRE -9936 -3552 -9936 -3568
WIRE -9152 -3520 -9152 -3536
WIRE -9120 -3520 -9152 -3520
WIRE -9024 -3520 -9040 -3520
WIRE -9008 -3520 -9024 -3520
WIRE -8944 -3520 -8944 -3632
WIRE -9776 -3504 -9776 -3568
WIRE -9152 -3504 -9152 -3520
WIRE -9456 -3488 -9456 -3680
WIRE -9376 -3488 -9456 -3488
WIRE -9024 -3488 -9024 -3520
WIRE -9024 -3488 -9088 -3488
WIRE -9456 -3472 -9456 -3488
WIRE -9968 -3456 -9968 -3504
WIRE -9936 -3456 -9936 -3472
WIRE -9312 -3456 -9344 -3456
WIRE -9216 -3456 -9232 -3456
WIRE -9776 -3392 -9776 -3424
WIRE -9744 -3392 -9776 -3392
WIRE -9648 -3376 -9680 -3376
WIRE -9552 -3376 -9584 -3376
WIRE -9456 -3376 -9456 -3408
WIRE -9456 -3376 -9472 -3376
WIRE -9408 -3376 -9456 -3376
WIRE -9376 -3376 -9376 -3408
WIRE -9376 -3376 -9408 -3376
WIRE -9744 -3360 -9760 -3360
WIRE -9776 -3280 -9776 -3392
WIRE -9712 -3280 -9776 -3280
WIRE -9648 -3280 -9648 -3376
WIRE -9776 -3232 -9776 -3280
WIRE -9760 -3232 -9776 -3232
WIRE -9584 -3232 -9584 -3376
WIRE -9584 -3232 -9680 -3232
WIRE -9152 -3200 -9152 -3408
FLAG -10352 -3552 0
FLAG -10320 -3952 0
FLAG -9152 -3200 -15V
FLAG -10176 -3552 0
FLAG -10352 -4064 15V
FLAG -10352 -3840 -15V
FLAG -9600 -4016 15V
FLAG -10112 -3680 15V
FLAG -9840 -3664 -15V
FLAG -9840 -3600 15V
FLAG -9968 -3456 0
FLAG -9936 -3456 0
FLAG -9136 -3696 -15V
FLAG -10112 -3616 -15V
FLAG -9600 -4080 -15V
FLAG -9168 -3936 15V
FLAG -9136 -3616 15V
FLAG -9408 -3680 0
FLAG -9648 -4064 0
FLAG -10352 -3664 in
FLAG -8896 -3632 out
FLAG -9712 -3408 15V
FLAG -9712 -3344 -15V
FLAG -9760 -3360 0
FLAG -9424 -3904 C3
FLAG -9408 -3376 C4
SYMBOL voltage -10368 -4064 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -65 102 Left 2
WINDOW 0 -58 11 Left 2
SYMATTR Value 15V
SYMATTR InstName V1
SYMBOL voltage -10368 -3952 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -56 26 Left 2
WINDOW 3 -60 94 Left 2
SYMATTR InstName V2
SYMATTR Value 15V
SYMBOL Opamps\\opamp2 -9600 -3984 M180
WINDOW 0 -32 108 Left 2
WINDOW 3 19 108 Left 2
SYMATTR InstName U1
SYMATTR Value TL084
SYMBOL Opamps\\opamp2 -9712 -3440 R0
WINDOW 0 15 113 Left 2
SYMATTR InstName U2
SYMATTR Value TL084
SYMBOL diode -9584 -3360 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL pnp -9216 -3408 M180
WINDOW 0 53 61 Left 2
WINDOW 3 51 38 Left 2
SYMATTR InstName Q2
SYMATTR Value BC557C
SYMBOL Misc\\EuropeanResistor -9216 -3472 R90
WINDOW 0 1 80 VBottom 2
WINDOW 3 -18 42 VTop 2
SYMATTR InstName R8
SYMATTR Value 4.7K
SYMBOL Misc\\EuropeanResistor -9136 -3520 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R9
SYMATTR Value 4.7K
SYMBOL Opamps\\opamp2 -10112 -3712 R0
WINDOW 0 20 27 Left 2
WINDOW 3 23 90 Left 2
SYMATTR InstName U3
SYMATTR Value TL084
SYMBOL potentiometer_standard -10048 -3776 R90
WINDOW 3 -68 37 VRight 2
WINDOW 38 -89 107 VRight 2
WINDOW 123 -48 46 VRight 2
WINDOW 0 -15 69 VRight 2
WINDOW 39 48 104 Invisible 2
SYMATTR Value Rtot=1Meg wiper=.8
SYMATTR SpiceModel pot_pow
SYMATTR Value2 Rtap=100k tap=0.5
SYMATTR InstName P1
SYMATTR SpiceLine ""
SYMBOL diode -9536 -4064 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL voltage -10352 -3664 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -69 144 Left 2
WINDOW 0 -58 11 Left 2
SYMATTR Value SINE(0 50m 100 0 0 0)
SYMATTR InstName Vin
SYMBOL cap -10032 -3632 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 0.82µ
SYMBOL Misc\\EuropeanResistor -9984 -3600 R0
WINDOW 0 -21 42 Left 2
WINDOW 3 -34 68 Left 2
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL Misc\\EuropeanResistor -9904 -3552 R270
WINDOW 0 -17 38 VTop 2
WINDOW 3 0 70 VBottom 2
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL cap -9472 -3472 R0
SYMATTR InstName C4
SYMATTR Value 1µ
SYMBOL Misc\\EuropeanResistor -10288 -3648 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL cap -10272 -3680 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 0.47µ
SYMBOL Opamps\\opamp2 -9856 -3568 M180
WINDOW 0 -33 119 Left 2
WINDOW 3 -11 119 Left 2
SYMATTR InstName U4
SYMATTR Value TL084
SYMBOL Misc\\EuropeanResistor -9952 -3568 R0
WINDOW 0 34 40 Left 2
WINDOW 3 32 66 Left 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor -9296 -3616 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R5
SYMATTR Value 4.7k
SYMBOL cap -9472 -3904 R0
WINDOW 0 34 14 Left 2
WINDOW 3 34 49 Left 2
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL Misc\\EuropeanResistor -9232 -3872 R90
WINDOW 0 0 71 VBottom 2
WINDOW 3 -17 36 VTop 2
SYMATTR InstName R6
SYMATTR Value 4.7K
SYMBOL Misc\\EuropeanResistor -9136 -3680 R180
WINDOW 0 33 65 Left 2
WINDOW 3 32 43 Left 2
SYMATTR InstName R7
SYMATTR Value 4.7K
SYMBOL npn -9232 -3904 R0
WINDOW 3 56 54 Left 2
SYMATTR Value BC547C
SYMATTR InstName Q1
SYMBOL potentiometer_standard -9408 -3920 R0
WINDOW 0 33 26 Left 2
WINDOW 3 -16 134 Left 2
WINDOW 38 -16 114 Left 2
SYMATTR InstName P2
SYMATTR Value Rtot=100k wiper=1
SYMATTR SpiceLine ""
SYMBOL potentiometer_standard -9392 -3392 M180
WINDOW 0 39 26 Left 2
WINDOW 3 -16 134 Left 2
WINDOW 38 -16 114 Left 2
SYMATTR InstName P3
SYMATTR Value Rtot=100k wiper=1
SYMATTR SpiceLine ""
SYMBOL potentiometer_standard -9040 -3824 R90
WINDOW 3 -29 -37 VRight 2
WINDOW 38 -49 42 VRight 2
WINDOW 123 19 -136 VRight 2
WINDOW 0 -8 68 VRight 2
WINDOW 39 48 104 Invisible 2
SYMATTR Value Rtot=4.7k wiper=0
SYMATTR InstName P4
SYMATTR SpiceLine ""
SYMBOL diode -8960 -3824 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D3
SYMATTR Value 1N34A
SYMBOL diode -9008 -3536 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D4
SYMATTR Value 1N34A
SYMBOL potentiometer_standard -9024 -3536 R90
WINDOW 3 -29 -37 VRight 2
WINDOW 38 -49 42 VRight 2
WINDOW 0 -8 68 VRight 2
WINDOW 39 48 104 Invisible 2
SYMATTR Value Rtot=4.7k wiper=0.8
SYMATTR InstName P5
SYMATTR SpiceLine ""
SYMBOL diode -9600 -4160 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor -9664 -4016 M270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor -9552 -4176 M270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R11
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor -9760 -3408 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL Misc\\EuropeanResistor -9664 -3248 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 10k
SYMBOL diode -9648 -3264 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D7
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor -9488 -3920 M180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R14
SYMATTR Value 10
SYMBOL Misc\\EuropeanResistor -9456 -3360 M270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R15
SYMATTR Value 10
TEXT -10424 -3480 Left 2 !.tran 0 50m 4m
TEXT -10424 -3344 Left 2 !.include TL084.301
TEXT -10424 -3416 Left 2 !.include potentiometer_standard.lib
TEXT -10424 -3368 Left 2 !.include bc.lib
TEXT -10112 -3792 Left 2 ;1M log
TEXT -10152 -3672 Left 2 ;9
TEXT -10160 -3640 Left 2 ;10
TEXT -10080 -3656 Left 2 ;8
TEXT -9640 -4072 Left 2 ;3
TEXT -9640 -4040 Left 2 ;2
TEXT -9568 -4056 Left 2 ;1
TEXT -9904 -3656 Left 2 ;12
TEXT -9904 -3624 Left 2 ;13
TEXT -9824 -3640 Left 2 ;14
TEXT -9752 -3352 Left 2 ;5
TEXT -9752 -3384 Left 2 ;6
TEXT -9680 -3368 Left 2 ;7
TEXT -9376 -3872 Left 2 ;100k lin
TEXT -9352 -3440 Left 2 ;100k lin
TEXT -9104 -3832 Left 2 ;4.7k lin
TEXT -10424 -3392 Left 2 !.inc dioden_Ge.lib
TEXT -10424 -3496 Left 2 !.op
TEXT -9088 -3544 Left 2 ;4.7k lin
TEXT -10200 -3992 Left 2 ;.step dec param wip 0.01 1 10