Version 4
SHEET 1 880 756
WIRE -784 -128 -832 -128
WIRE -272 -128 -704 -128
WIRE -352 -80 -368 -80
WIRE -272 -80 -272 -128
WIRE -272 -80 -288 -80
WIRE -672 -64 -800 -64
WIRE -800 0 -800 -64
WIRE -784 0 -800 0
WIRE -672 16 -672 -64
WIRE -672 16 -720 16
WIRE -592 16 -672 16
WIRE -368 16 -368 -80
WIRE -368 16 -512 16
WIRE -352 16 -368 16
WIRE -928 32 -928 -48
WIRE -928 32 -944 32
WIRE -832 32 -832 -128
WIRE -832 32 -928 32
WIRE -784 32 -832 32
WIRE -272 32 -272 -80
WIRE -272 32 -288 32
WIRE -224 32 -272 32
WIRE -352 48 -384 48
WIRE -528 96 -528 64
WIRE -384 96 -384 48
WIRE -1024 128 -1056 128
WIRE -912 128 -944 128
WIRE -1056 160 -1056 128
WIRE -944 160 -944 128
WIRE -1056 256 -1056 240
WIRE -944 256 -944 240
WIRE -624 336 -752 336
WIRE -480 368 -480 352
WIRE -400 368 -400 352
WIRE -832 384 -832 336
WIRE -720 384 -832 384
WIRE -624 400 -624 336
WIRE -624 400 -656 400
WIRE -608 400 -624 400
WIRE -720 416 -752 416
WIRE -752 448 -752 416
WIRE -480 464 -480 448
WIRE -400 464 -400 448
FLAG -1056 256 0
FLAG -1024 128 IN
IOPIN -1024 128 Out
FLAG -1024 32 IN
IOPIN -1024 32 In
FLAG -224 32 OUT
IOPIN -224 32 Out
FLAG -944 256 0
FLAG -912 128 CLK
IOPIN -912 128 Out
FLAG -480 464 0
FLAG -480 352 V+
FLAG -400 464 0
FLAG -400 352 V-
FLAG -752 -16 V+
FLAG -320 0 V+
FLAG -752 48 V-
FLAG -320 64 V-
FLAG -576 64 CLK
IOPIN -576 64 In
FLAG -528 96 0
FLAG -384 96 0
FLAG -688 368 V+
FLAG -688 432 V-
FLAG -608 400 INV
IOPIN -608 400 Out
FLAG -912 336 IN
IOPIN -912 336 In
FLAG -752 448 0
FLAG -976 -112 0
FLAG -976 -64 CLK
IOPIN -976 -64 In
FLAG -928 -128 0
SYMBOL cap -352 -96 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL voltage -1056 144 M0
WINDOW 0 -63 64 Left 2
WINDOW 3 -407 77 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 5 1k 0 0 0 0)
SYMBOL voltage -944 144 M0
WINDOW 0 -63 55 Left 2
WINDOW 3 -407 114 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 5 0 1u 1u 199u 400u)
SYMBOL LT1055 -320 -32 R0
SYMATTR InstName U1
SYMBOL LT1055 -752 -48 R0
SYMATTR InstName U2
SYMBOL voltage -480 352 R0
SYMATTR InstName V4
SYMATTR Value 15
SYMBOL voltage -400 352 R0
SYMATTR InstName V5
SYMATTR Value -15
SYMBOL sw -496 16 M270
WINDOW 0 25 86 VRight 2
WINDOW 3 -24 85 VRight 2
SYMATTR InstName S1
SYMBOL res -928 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res -688 -144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Opamps\\LT1055 -688 336 R0
SYMATTR InstName U3
SYMBOL res -736 320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res -816 320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL sw -928 -144 R0
SYMATTR InstName S2
SYMATTR Value SWN
TEXT -824 128 Left 2 !.tran 2m
TEXT -824 160 Left 2 !.model SW SW(Ron=50 Roff=10meg Vt=2.5 Vh=-.4)
TEXT -824 192 Left 2 !.model SWN SW(Roff=50 Ron=10meg Vt=2.5 Vh=-.4)