Version 4
SHEET 1 880 680
WIRE -10576 -4192 -10592 -4192
WIRE -10592 -4176 -10592 -4192
WIRE -10448 -4112 -10464 -4112
WIRE -10352 -4112 -10368 -4112
WIRE -10256 -4112 -10272 -4112
WIRE -10112 -4112 -10256 -4112
WIRE -10592 -4080 -10592 -4096
WIRE -10544 -4080 -10592 -4080
WIRE -10592 -4064 -10592 -4080
WIRE -10256 -4064 -10256 -4112
WIRE -10256 -4064 -10320 -4064
WIRE -10464 -4016 -10464 -4112
WIRE -10448 -4016 -10464 -4016
WIRE -10256 -4016 -10256 -4064
WIRE -10256 -4016 -10320 -4016
WIRE -10240 -4016 -10256 -4016
WIRE -10176 -4016 -10192 -4016
WIRE -10112 -4016 -10112 -4112
WIRE -10112 -4016 -10128 -4016
WIRE -10592 -3968 -10592 -3984
WIRE -10576 -3968 -10592 -3968
WIRE -10464 -3920 -10464 -4016
WIRE -10416 -3920 -10464 -3920
WIRE -10256 -3920 -10352 -3920
WIRE -10112 -3920 -10112 -4016
WIRE -10112 -3920 -10192 -3920
WIRE -10288 -3840 -10288 -3856
WIRE -10560 -3824 -10592 -3824
WIRE -10464 -3824 -10464 -3920
WIRE -10464 -3824 -10480 -3824
WIRE -10320 -3824 -10464 -3824
WIRE -10112 -3808 -10112 -3920
WIRE -10112 -3808 -10256 -3808
WIRE -10080 -3808 -10112 -3808
WIRE -9984 -3808 -10000 -3808
WIRE -10592 -3792 -10592 -3824
WIRE -10320 -3792 -10416 -3792
WIRE -10416 -3776 -10416 -3792
WIRE -10288 -3760 -10288 -3776
WIRE -10592 -3680 -10592 -3712
WIRE -10416 -3680 -10416 -3696
FLAG -10592 -3680 0
FLAG -10544 -4080 0
FLAG -10576 -4192 15V
FLAG -10576 -3968 -15V
FLAG -10288 -3856 15V
FLAG -10288 -3760 -15V
FLAG -10592 -3824 in
FLAG -9984 -3808 out
FLAG -10416 -3680 0
SYMBOL voltage -10592 -4192 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 -10592 -4080 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 -10288 -3872 R0
WINDOW 0 30 37 Left 2
WINDOW 3 19 104 Left 2
SYMATTR InstName U1
SYMATTR Value NE5532
SYMBOL voltage -10592 -3808 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 22 132 Left 2
WINDOW 0 27 7 Left 2
SYMATTR Value SINE(0 1 1k 0 0 0)
SYMATTR InstName Vin
SYMBOL Misc\\EuropeanResistor -10432 -3792 R0
WINDOW 0 38 36 Left 2
WINDOW 3 39 71 Left 2
SYMATTR InstName R2
SYMATTR Value 5k
SYMBOL Misc\\EuropeanResistor -10096 -3824 M90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor -10576 -3808 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL diode -10448 -4032 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N34A
SYMBOL diode -10384 -4032 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 1N34A
SYMBOL diode -10240 -4032 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D3
SYMATTR Value 1N34A
SYMBOL diode -10192 -4032 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D4
SYMATTR Value 1N34A
SYMBOL diode -10352 -3904 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D5
SYMATTR Value 1N34A
SYMBOL diode -10192 -3904 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D6
SYMATTR Value 1N34A
SYMBOL Misc\\EuropeanResistor -10464 -4128 M90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 470
SYMBOL potentiometer_standard -10256 -4128 R90
WINDOW 0 -7 73 VRight 2
WINDOW 3 -55 -2 VRight 2
WINDOW 39 127 -146 VRight 2
WINDOW 38 -32 69 VRight 2
WINDOW 123 -32 -61 VRight 2
SYMATTR InstName P1
SYMATTR Value Rtot=4.7k wiper=.5
SYMATTR SpiceLine ""
SYMATTR SpiceModel pot_pow
SYMATTR Value2 Rtap=470 tap=0.5
TEXT -10648 -3576 Left 2 !.tran 0 10m 0 1µ
TEXT -10648 -3608 Left 2 !.op
TEXT -10744 -3648 Left 2 ;.step dec param Uin 0.01 1 10
TEXT -10648 -3544 Left 2 !.lib NE553x.lb
TEXT -10480 -3600 Left 2 !.options plotwinsize=0
TEXT -10480 -3576 Left 2 ;.TEMP  25 75
TEXT -10384 -4208 Left 2 ;.step param wip 0 1 1
TEXT -10648 -3520 Left 2 !.inc potentiometer_standard.lib