Version 4
SHEET 1 996 680
WIRE 176 -128 -240 -128
WIRE 656 -128 256 -128
WIRE 288 -64 -80 -64
WIRE 608 -64 288 -64
WIRE 768 -64 608 -64
WIRE 768 16 768 -64
WIRE -240 48 -240 -128
WIRE -192 48 -240 48
WIRE -32 48 -112 48
WIRE 192 48 176 48
WIRE 336 48 256 48
WIRE 656 48 656 -128
WIRE 656 48 560 48
WIRE -80 144 -80 -64
WIRE 288 144 288 -64
WIRE 608 144 608 -64
WIRE 768 144 768 96
WIRE 880 144 768 144
WIRE -240 160 -240 48
WIRE -112 160 -240 160
WIRE -32 160 -32 48
WIRE 0 160 -32 160
WIRE 176 160 176 48
WIRE 176 160 80 160
WIRE 256 160 176 160
WIRE 336 160 336 48
WIRE 384 160 336 160
WIRE 496 160 496 48
WIRE 496 160 464 160
WIRE 576 160 496 160
WIRE -32 176 -32 160
WIRE -32 176 -48 176
WIRE 336 176 336 160
WIRE 336 176 320 176
WIRE 656 176 656 48
WIRE 656 176 640 176
WIRE 768 176 768 144
WIRE -464 192 -480 192
WIRE -384 192 -464 192
WIRE -288 192 -304 192
WIRE -192 192 -288 192
WIRE -112 192 -192 192
WIRE 256 192 240 192
WIRE 576 192 560 192
WIRE -288 208 -288 192
WIRE -480 224 -480 192
WIRE 768 224 768 192
WIRE -480 352 -480 304
WIRE -288 352 -288 288
WIRE 240 352 240 192
WIRE 560 352 560 192
WIRE 880 352 880 144
WIRE -80 400 -80 208
WIRE 288 400 288 208
WIRE 288 400 -80 400
WIRE 608 400 608 208
WIRE 608 400 288 400
WIRE 768 400 768 256
WIRE 768 400 608 400
WIRE -192 464 -192 192
WIRE 336 464 336 176
WIRE 336 464 -112 464
FLAG 240 352 0
FLAG 560 352 0
FLAG -288 352 0
FLAG 880 352 0
FLAG -480 352 0
FLAG 336 48 Uout
FLAG -464 192 Uin
SYMBOL Opamps\\LT1007 -80 112 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT1007 288 112 R0
WINDOW 3 16 118 Left 2
SYMATTR InstName U2
SYMBOL Opamps\\LT1007 608 112 R0
SYMATTR InstName U3
SYMBOL cap 256 32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL cap 560 32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL res -96 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 50k
SYMBOL res 272 -144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 50k
SYMBOL res 480 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 453k
SYMBOL res 96 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 453k
SYMBOL res -304 192 R0
SYMATTR InstName R5
SYMATTR Value 2k8
SYMBOL res -288 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 50k
SYMBOL res -96 448 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 50k
SYMBOL voltage 768 0 R0
WINDOW 3 10 110 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL voltage -480 208 R0
WINDOW 3 -48 193 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 1 0 1u 1u 1.4m 2.8m)
SYMBOL voltage 768 160 R0
WINDOW 3 10 110 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 10
TEXT -528 456 Left 2 !.tran 500m