Version 4
SHEET 1 1096 680
WIRE 528 -288 448 -288
WIRE 640 -288 608 -288
WIRE 192 -272 128 -272
WIRE 288 -272 256 -272
WIRE 128 -256 128 -272
WIRE 288 -256 288 -272
WIRE 448 -256 448 -288
WIRE 448 -256 368 -256
WIRE 720 -240 544 -240
WIRE 1040 -240 720 -240
WIRE 544 -208 544 -240
WIRE 720 -208 720 -240
WIRE 448 -192 448 -256
WIRE 512 -192 448 -192
WIRE 288 -176 240 -176
WIRE 448 -176 448 -192
WIRE 448 -176 368 -176
WIRE 640 -176 640 -288
WIRE 640 -176 576 -176
WIRE 512 -160 480 -160
WIRE 1040 -144 1040 -160
WIRE 1040 -144 960 -144
WIRE 128 -128 128 -176
WIRE 1040 -112 1040 -144
WIRE 720 -96 720 -128
WIRE 752 -96 720 -96
WIRE 544 -80 544 -144
WIRE 480 0 480 -160
WIRE 960 0 960 -144
WIRE 960 0 560 0
WIRE 240 16 240 -32
WIRE 1040 64 1040 -32
FLAG 128 -128 0
FLAG 240 16 0
FLAG 640 -96 0
FLAG 752 -96 0
FLAG 544 -80 0
FLAG 1040 64 0
SYMBOL voltage 720 -224 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL res 384 -272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res 384 -192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res 624 -304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL voltage 128 -272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 2 1)
SYMBOL voltage 240 -128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 3 3 0 0 0)
SYMBOL res 624 -192 R0
SYMATTR InstName R4
SYMATTR Value 100k
SYMBOL Opamps\\LT1001 544 -240 R0
SYMATTR InstName U1
SYMBOL res 1024 -256 R0
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res 1024 -128 R0
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL res 576 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL cap 256 -288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL cap 256 -112 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C2
SYMATTR Value 10µ
TEXT 108 -56 Left 2 !.tran 2