Version 4
SHEET 1 1292 680
WIRE 1104 -160 688 -160
WIRE 832 -112 640 -112
WIRE 832 -96 832 -112
WIRE 688 -48 688 -160
WIRE 640 -32 640 -112
WIRE 656 -32 640 -32
WIRE 832 -16 720 -16
WIRE 128 0 -144 0
WIRE 160 0 128 0
WIRE 256 0 224 0
WIRE 384 0 256 0
WIRE 528 0 384 0
WIRE 656 0 656 -16
WIRE 656 0 528 0
WIRE 688 48 688 16
WIRE 1104 48 688 48
WIRE 160 96 96 96
WIRE 256 96 256 0
WIRE 256 96 224 96
WIRE 528 96 528 0
WIRE 640 96 640 -32
WIRE -144 112 -144 0
WIRE 384 112 384 0
WIRE 832 128 832 -16
WIRE 128 192 128 0
WIRE 160 192 128 192
WIRE 256 192 224 192
WIRE -144 288 -144 192
WIRE 96 288 96 96
WIRE 96 288 -144 288
WIRE 160 288 96 288
WIRE 256 288 256 192
WIRE 256 288 224 288
WIRE 384 288 384 176
WIRE 384 288 256 288
WIRE 528 288 528 176
WIRE 528 288 384 288
WIRE 640 288 640 176
WIRE 640 288 528 288
WIRE 832 288 640 288
WIRE 384 320 384 288
WIRE 0 0 0 0
FLAG 384 320 0
SYMBOL voltage -144 96 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 2 50)
SYMBOL diode 160 16 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 160 112 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL diode 224 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL diode 224 272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor 512 80 R0
SYMATTR InstName R1
SYMATTR Value 4.75K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL polcap 368 112 R0
SYMATTR InstName C1
SYMATTR Value 220µ
SYMATTR SpiceLine V=2 Irms=3 Rser=0.015 Lser=0
SYMBOL Opamps\\LT1001 688 -80 R0
SYMATTR InstName U1
SYMBOL Misc\\EuropeanResistor 624 80 R0
SYMATTR InstName R2
SYMATTR Value 3.32K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL Misc\\EuropeanResistor 816 -112 R0
WINDOW 3 36 70 Left 2
SYMATTR InstName R3
SYMATTR Value 7Meg
SYMATTR SpiceLine tol=1 pwr=0.1
TEXT -178 344 Left 2 !.tran 10