Version 4
SHEET 1 880 680
WIRE -7504 -2528 -7536 -2528
WIRE -7424 -2528 -7440 -2528
WIRE -7536 -2448 -7536 -2528
WIRE -7504 -2448 -7536 -2448
WIRE -7424 -2448 -7424 -2528
WIRE -7424 -2448 -7440 -2448
WIRE -6704 -2432 -6704 -2464
WIRE -7744 -2352 -7840 -2352
WIRE -7664 -2352 -7680 -2352
WIRE -7536 -2352 -7536 -2448
WIRE -7536 -2352 -7584 -2352
WIRE -7520 -2352 -7536 -2352
WIRE -6896 -2352 -7088 -2352
WIRE -7840 -2336 -7840 -2352
WIRE -7424 -2336 -7424 -2448
WIRE -7424 -2336 -7456 -2336
WIRE -7344 -2336 -7344 -2368
WIRE -7088 -2336 -7088 -2352
WIRE -7520 -2320 -7536 -2320
WIRE -7424 -2304 -7424 -2336
WIRE -6704 -2304 -6704 -2352
WIRE -6704 -2304 -6736 -2304
WIRE -7536 -2288 -7536 -2320
WIRE -7488 -2272 -7488 -2304
WIRE -6736 -2272 -6736 -2304
WIRE -7024 -2256 -7024 -2272
WIRE -7840 -2240 -7840 -2256
WIRE -7088 -2240 -7088 -2256
WIRE -7056 -2240 -7088 -2240
WIRE -6896 -2224 -6896 -2352
WIRE -6896 -2224 -6928 -2224
WIRE -6832 -2224 -6896 -2224
WIRE -6704 -2224 -6704 -2304
WIRE -7424 -2208 -7424 -2240
WIRE -7056 -2208 -7424 -2208
WIRE -6896 -2208 -6896 -2224
WIRE -6832 -2208 -6832 -2224
WIRE -7424 -2192 -7424 -2208
WIRE -7344 -2192 -7344 -2256
WIRE -7088 -2192 -7088 -2240
WIRE -7024 -2128 -7024 -2192
WIRE -7424 -2096 -7424 -2112
WIRE -7296 -2096 -7296 -2144
WIRE -7088 -2096 -7088 -2112
WIRE -7088 -2096 -7296 -2096
WIRE -6896 -2080 -6896 -2144
WIRE -6832 -2080 -6832 -2128
WIRE -6704 -2032 -6704 -2144
WIRE -7344 -2016 -7344 -2032
FLAG -7488 -2368 +12V
FLAG -7488 -2272 -12V
FLAG -7536 -2288 0
FLAG -7424 -2096 -12V
FLAG -7840 -2240 0
FLAG -7024 -2272 +12V
FLAG -7024 -2128 -12V
FLAG -6896 -2080 0
FLAG -6736 -2272 0
FLAG -6704 -2464 +12V
FLAG -6704 -2032 -12V
FLAG -7344 -2016 -12V
FLAG -7344 -2368 +12V
FLAG -6832 -2080 0
SYMBOL Opamps\\UniversalOpamp2 -7488 -2336 R0
SYMATTR InstName U3
SYMBOL Misc\\EuropeanResistor -7680 -2336 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 47k
SYMBOL diode -7504 -2512 R270
WINDOW 0 28 -1 VTop 2
WINDOW 3 57 59 VBottom 2
SYMATTR InstName D2
SYMATTR Value DD
SYMBOL diode -7440 -2464 R90
WINDOW 0 4 64 VBottom 2
WINDOW 3 -21 5 VTop 2
SYMATTR InstName D3
SYMATTR Value DD
SYMBOL diode -7440 -2304 R0
SYMATTR InstName D8
SYMATTR Value DD
SYMBOL Misc\\EuropeanResistor -7408 -2096 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R13
SYMATTR Value 470k
SYMBOL voltage -7840 -2352 R0
WINDOW 3 -29 159 Left 2
WINDOW 123 24 44 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 1.91 40 40m 0 0 5)
SYMATTR InstName V5
SYMBOL cap -7680 -2368 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 0.47µ
SYMBOL Opamps\\UniversalOpamp2 -7024 -2224 R0
WINDOW 0 12 47 Left 2
SYMATTR InstName U5
SYMBOL Misc\\EuropeanResistor -7072 -2096 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R2
SYMATTR Value 82k
SYMBOL Misc\\EuropeanResistor -7072 -2240 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R6
SYMATTR Value 330k
SYMBOL cap -6880 -2144 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C4
SYMATTR Value 1µ
SYMBOL Misc\\EuropeanResistor -6848 -2224 R0
SYMATTR InstName R8
SYMATTR Value 1meg
SYMBOL voltage -6704 -2448 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12V
SYMBOL voltage -6704 -2240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 12V
SYMBOL Misc\\EuropeanResistor -7360 -2352 R0
SYMATTR InstName R1
SYMATTR Value 11k
SYMBOL Misc\\EuropeanResistor -7328 -2016 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R3
SYMATTR Value 9.1k
SYMBOL potentiometer_standard -7360 -2208 R0
WINDOW 3 40 36 Left 2
WINDOW 38 114 71 Left 2
WINDOW 0 74 72 Left 2
SYMATTR Value Rtot=1K wiper=.5
SYMATTR InstName P1
SYMATTR SpiceLine ""
SYMBOL diode -6992 -2208 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMATTR Value DD
TEXT -7872 -2152 Left 2 !.tran 150ms
TEXT -7872 -2040 Left 2 !.model DD D(N=1.5)
TEXT -7872 -2112 Left 2 !.temp 15 35
TEXT -7872 -2008 Left 2 !.INCLUDE potentiometer_standard.lib