Version 4
SHEET 1 880 680
WIRE 496 -208 384 -208
WIRE 656 -208 560 -208
WIRE -336 -80 -512 -80
WIRE -192 -80 -336 -80
WIRE 384 -80 384 -208
WIRE 384 -80 -112 -80
WIRE 496 -80 384 -80
WIRE 656 -80 656 -208
WIRE 656 -80 576 -80
WIRE 720 -80 656 -80
WIRE 720 32 512 32
WIRE -336 48 -336 -80
WIRE -192 48 -336 48
WIRE -64 48 -112 48
WIRE 112 48 -64 48
WIRE 224 48 192 48
WIRE 256 48 224 48
WIRE 384 48 384 -80
WIRE 384 48 336 48
WIRE 480 48 384 48
WIRE 656 64 656 -80
WIRE 656 64 544 64
WIRE 480 80 432 80
WIRE 720 96 720 32
WIRE 720 96 656 96
WIRE 224 128 224 48
WIRE 432 176 432 80
WIRE 160 192 80 192
WIRE -64 208 -64 48
WIRE 48 208 -64 208
WIRE 224 224 224 192
WIRE 224 224 112 224
WIRE 48 240 16 240
WIRE 160 256 160 192
WIRE 400 256 160 256
WIRE 656 256 656 96
WIRE 224 272 224 224
WIRE 16 304 16 240
WIRE -64 400 -64 208
WIRE 224 400 224 336
WIRE 224 400 -64 400
FLAG 432 176 0
FLAG 16 304 0
FLAG -512 -80 IN
FLAG 720 -80 OUT
FLAG 80 256 0
FLAG 656 336 0
FLAG 512 96 0
FLAG -512 0 0
FLAG 400 336 0
SYMBOL res -96 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 208 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res 352 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res 592 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 20K
SYMBOL diode 208 128 R0
SYMATTR InstName D1
SYMBOL diode 208 272 R0
SYMATTR InstName D2
SYMBOL cap 560 -224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 2000µF
SYMBOL res -96 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL Opamps\\LT2078A 512 0 R0
SYMATTR InstName U2
SYMBOL Opamps\\LT2078A 80 160 R0
SYMATTR InstName U1
SYMBOL voltage 656 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value -9V
SYMBOL voltage -512 -96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 10 50)
SYMBOL voltage 400 240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 9V
TEXT -544 408 Left 2 !.tran 0.04