Version 4
SHEET 1 1348 680
WIRE -112 -240 -144 -240
WIRE 528 -240 -32 -240
WIRE -528 -96 -864 -96
WIRE -304 -96 -528 -96
WIRE -144 -96 -144 -240
WIRE -144 -96 -224 -96
WIRE -112 -96 -144 -96
WIRE 16 -96 -32 -96
WIRE 64 -96 16 -96
WIRE 192 -96 144 -96
WIRE 224 -96 192 -96
WIRE 352 -96 304 -96
WIRE 400 -96 352 -96
WIRE 528 -96 528 -240
WIRE 528 -96 480 -96
WIRE 736 -96 640 -96
WIRE 816 -96 736 -96
WIRE 528 -32 528 -96
WIRE 640 -32 640 -96
WIRE 736 -32 736 -96
WIRE 816 -32 816 -96
WIRE -864 0 -864 -96
WIRE -144 0 -144 -96
WIRE -96 0 -144 0
WIRE 192 0 192 -96
WIRE 240 0 192 0
WIRE 16 16 16 -96
WIRE 16 16 -32 16
WIRE 352 16 352 -96
WIRE 352 16 304 16
WIRE -96 32 -144 32
WIRE 240 32 176 32
WIRE -144 48 -144 32
WIRE 176 48 176 32
WIRE 528 64 528 32
WIRE -864 144 -864 80
WIRE -864 240 -864 208
FLAG -16 448 0
FLAG 144 448 0
FLAG -16 368 V+
IOPIN -16 368 Out
FLAG 144 368 V-
IOPIN 144 368 Out
FLAG -144 48 0
FLAG 176 48 0
FLAG -528 -16 0
FLAG 528 64 0
FLAG -64 -16 V+
IOPIN -64 -16 In
FLAG 272 -16 V+
IOPIN 272 -16 In
FLAG -64 48 V-
IOPIN -64 48 In
FLAG 272 48 V-
IOPIN 272 48 In
FLAG -864 240 0
FLAG 640 32 0
FLAG 736 32 0
FLAG 816 32 0
FLAG 576 208 0
SYMBOL Misc\\signal -16 352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V+
SYMATTR Value 15
SYMBOL Misc\\signal 144 352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V-
SYMATTR Value -15
SYMBOL Opamps\\LT1002A -64 -48 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT1002A 272 -48 R0
SYMATTR InstName U2
SYMBOL res -16 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2_1
SYMATTR Value 32000k
SYMBOL res 160 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2_2
SYMATTR Value 32000k
SYMBOL res 320 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2_3
SYMATTR Value 32000k
SYMBOL res 496 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1400k
SYMBOL res -16 -256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 30600k
SYMBOL res -208 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 32000k
SYMBOL Misc\\signal -528 -112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL polcap 512 -32 R0
WINDOW 3 24 56 Left 2
WINDOW 40 24 84 Left 2
SYMATTR Value 220µ
SYMATTR InstName C1
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=10 Irms=6.6 Rser=0.006 Lser=0
SYMATTR SpiceLine2 IC=0 V
SYMBOL polcap -880 144 R0
WINDOW 3 24 56 Left 2
WINDOW 40 24 84 Left 2
SYMATTR Value 22µ
SYMATTR InstName C2
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=20 Irms=6.6 Rser=0.006 Lser=0
SYMATTR SpiceLine2 IC=0 V
SYMBOL res -880 -16 R0
SYMATTR InstName R5
SYMATTR Value 32000k
SYMBOL cap 624 -32 R0
WINDOW 40 24 84 Left 2
SYMATTR InstName C3
SYMATTR Value 2200µ
SYMATTR SpiceLine2 IC=0 V
SYMBOL cap 720 -32 R0
WINDOW 40 24 84 Left 2
SYMATTR InstName C4
SYMATTR Value 22000µ
SYMATTR SpiceLine2 IC=0 V
SYMBOL cap 800 -32 R0
WINDOW 40 24 84 Left 2
SYMATTR InstName C5
SYMATTR Value 22µ
SYMATTR SpiceLine2 IC=0 V
SYMBOL res 560 112 R0
SYMATTR InstName R6
SYMATTR Value 2k
TEXT 712 424 Left 2 !.tran 500 uic