Version 4
SHEET 1 880 680
WIRE 560 0 544 0
WIRE 656 0 624 0
WIRE 192 96 192 80
WIRE 416 96 352 96
WIRE 448 96 416 96
WIRE 544 96 544 0
WIRE 544 96 528 96
WIRE 560 96 544 96
WIRE 656 96 656 0
WIRE 656 96 640 96
WIRE 416 144 416 96
WIRE 64 160 -176 160
WIRE 352 160 352 96
WIRE 352 160 320 160
WIRE -176 176 -176 160
WIRE -400 208 -400 192
WIRE -304 208 -304 192
WIRE 592 208 592 192
WIRE 64 224 48 224
WIRE 352 224 320 224
WIRE 544 224 544 96
WIRE 560 224 544 224
WIRE 656 240 656 96
WIRE 656 240 624 240
WIRE 352 256 352 224
WIRE 416 256 416 208
WIRE 416 256 352 256
WIRE 496 256 416 256
WIRE 560 256 496 256
WIRE -176 272 -176 256
WIRE 496 272 496 256
WIRE 368 288 320 288
WIRE 592 288 592 272
WIRE -400 304 -400 288
WIRE -304 304 -304 288
WIRE -16 352 -32 352
WIRE 64 352 48 352
WIRE 368 352 320 352
WIRE 192 432 192 416
FLAG -32 352 0
FLAG -304 304 0
FLAG -304 192 +V
FLAG -400 304 0
FLAG -400 192 -V
FLAG 592 192 +V
FLAG 192 80 +V
FLAG 592 288 -V
FLAG 192 432 -V
FLAG -176 272 0
FLAG 48 224 0
FLAG 496 272 0
SYMBOL opamps\\LTC1043 192 256 R0
SYMATTR InstName U1
SYMBOL cap 48 336 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1000p
SYMBOL opamps\\LT1013 592 176 R0
SYMATTR InstName U2
SYMBOL voltage -304 192 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -400 192 R0
SYMATTR InstName V2
SYMATTR Value -5
SYMBOL res 656 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 544 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL cap 400 144 R0
SYMATTR InstName C2
SYMATTR Value .1µ
SYMBOL cap 352 288 R0
WINDOW 3 25 57 Left 2
SYMATTR Value .1µ
SYMATTR InstName C3
SYMBOL voltage -176 160 R0
WINDOW 3 16 98 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 10m 100)
SYMATTR InstName V3
SYMBOL cap 624 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value .1µ
TEXT 456 384 Left 2 !.tran 25m startup