Version 4 SHEET 1 1092 680 WIRE -400 160 -400 144 WIRE -400 256 -400 240 WIRE -400 288 -400 256 WIRE -400 384 -400 368 WIRE -176 256 -400 256 WIRE -176 256 -176 208 WIRE -176 352 -176 336 WIRE -176 432 -176 416 WIRE -144 144 -400 144 WIRE -144 208 -176 208 WIRE -144 336 -176 336 WIRE -64 144 -144 144 WIRE -64 208 -144 208 WIRE -64 336 -144 336 WIRE 64 80 64 -96 WIRE 64 432 64 400 WIRE 160 -96 64 -96 WIRE 160 -80 160 -96 WIRE 160 32 160 0 WIRE 240 272 192 272 WIRE 240 336 192 336 WIRE 304 144 192 144 WIRE 320 208 192 208 WIRE 320 240 320 208 WIRE 368 144 304 144 WIRE 368 160 368 144 WIRE 368 240 320 240 WIRE 368 240 368 224 WIRE 368 256 368 240 WIRE 496 144 368 144 WIRE 496 160 496 144 WIRE 496 256 496 240 FLAG 368 256 0 FLAG 160 32 0 FLAG -400 384 0 FLAG 496 256 0 FLAG -176 432 0 FLAG 304 144 out FLAG -144 336 osc FLAG -144 144 in1 FLAG -144 208 in0 FLAG 64 432 0 SYMBOL cap 352 160 R0 SYMATTR InstName C1 SYMATTR Value 1µF SYMBOL cap -192 416 M180 WINDOW 0 24 57 Left 0 WINDOW 3 24 8 Left 0 SYMATTR InstName C3 SYMATTR Value .01µF SYMBOL cap 224 272 R0 SYMATTR InstName C4 SYMATTR Value 1µF SYMBOL voltage -400 144 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 0 30 18 Left 0 WINDOW 3 36 81 Left 0 SYMATTR InstName V1 SYMATTR Value SINE(0 .001 .5) SYMBOL voltage 160 -96 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL Opamps\\LTC1043 64 240 R0 SYMATTR InstName U1 SYMBOL voltage -400 272 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V4 SYMATTR Value 1 SYMBOL res 480 144 R0 SYMATTR InstName R1 SYMATTR Value 10k TEXT -426 -30 Left 0 !.tran 0 2s 0 10u TEXT -424 -64 Left 0 !.options method=gear reltol=0.003 TEXT -424 -120 Left 0 !.save V(out) V(osc) V(in1,in0) TEXT -424 0 Left 0 !.options plotwinsize=0