Version 4
SHEET 1 2772 716
WIRE 1280 -48 1248 -48
WIRE 1408 -48 1360 -48
WIRE 448 -16 416 -16
WIRE 560 -16 528 -16
WIRE 144 128 -80 128
WIRE 416 128 416 -16
WIRE 416 128 304 128
WIRE 448 128 416 128
WIRE 560 144 560 -16
WIRE 560 144 512 144
WIRE 624 144 560 144
WIRE 736 144 704 144
WIRE 848 144 816 144
WIRE 880 144 848 144
WIRE 992 144 960 144
WIRE 1136 144 992 144
WIRE 1248 144 1248 -48
WIRE 1248 144 1216 144
WIRE 1280 144 1248 144
WIRE 224 160 224 128
WIRE 304 160 304 128
WIRE 448 160 416 160
WIRE 1408 160 1408 -48
WIRE 1408 160 1344 160
WIRE 1456 160 1408 160
WIRE 1280 176 1248 176
WIRE 416 224 416 160
WIRE 1248 224 1248 176
WIRE -80 240 -80 208
WIRE 1456 352 1456 160
WIRE 1456 352 144 352
WIRE 848 448 832 448
WIRE 944 448 928 448
WIRE 144 576 144 352
WIRE 240 576 144 576
WIRE 256 576 240 576
WIRE 336 576 320 576
WIRE 448 576 416 576
WIRE 480 576 448 576
WIRE 576 576 560 576
WIRE 736 576 576 576
WIRE 832 576 832 448
WIRE 832 576 816 576
WIRE 848 576 832 576
WIRE 944 592 944 448
WIRE 944 592 912 592
WIRE 1008 592 944 592
WIRE 1264 592 1168 592
WIRE 1328 592 1264 592
WIRE 848 608 816 608
WIRE 816 640 816 608
FLAG -80 240 0
FLAG 304 224 0
FLAG 416 224 0
FLAG -80 64 0
FLAG 32 -64 0
FLAG -80 -16 vc
IOPIN -80 -16 BiDir
FLAG 480 112 vc
IOPIN 480 112 BiDir
FLAG 32 16 vd
IOPIN 32 16 BiDir
FLAG 480 176 vd
IOPIN 480 176 BiDir
FLAG 1312 128 vc
IOPIN 1312 128 BiDir
FLAG 1312 192 vd
IOPIN 1312 192 BiDir
FLAG 1248 224 0
FLAG 224 224 0
FLAG 704 208 0
FLAG 848 208 0
FLAG 992 208 0
FLAG 320 640 0
FLAG 448 640 0
FLAG 576 640 0
FLAG 816 640 0
FLAG 1008 656 0
FLAG 1088 656 0
FLAG 1168 656 0
FLAG 1264 672 0
FLAG 880 560 vc
IOPIN 880 560 BiDir
FLAG 880 624 vd
IOPIN 880 624 BiDir
FLAG 1328 592 out
IOPIN 1328 592 BiDir
SYMBOL voltage -80 112 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 8
SYMATTR InstName V1
SYMATTR Value SINE(4 8)
SYMBOL res 320 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 40k
SYMBOL cap 288 160 R0
SYMATTR InstName C1
SYMATTR Value 220p
SYMBOL Opamps\\LT1028 480 80 R0
SYMATTR InstName U1
SYMBOL res 544 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 22k
SYMBOL voltage -80 -32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL voltage 32 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 15
SYMBOL Opamps\\LT1028 1312 96 R0
SYMATTR InstName U2
SYMBOL res 1232 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 800
SYMBOL res 1376 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 1600
SYMBOL cap 208 160 R0
WINDOW 0 -3 111 Left 2
WINDOW 3 -86 45 Left 2
SYMATTR InstName C5
SYMATTR Value 2200p
SYMBOL res 240 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 4k
SYMBOL ind 832 128 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L1
SYMATTR Value 10m
SYMATTR SpiceLine Rser=50
SYMBOL ind 976 128 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L2
SYMATTR Value 10m
SYMATTR SpiceLine Rser=50
SYMBOL cap 832 144 R0
SYMATTR InstName C2
SYMATTR Value 0.02u
SYMBOL cap 688 144 R0
SYMATTR InstName C3
SYMATTR Value 6200p
SYMBOL cap 976 144 R0
SYMATTR InstName C4
SYMATTR Value 6200p
SYMBOL ind 432 560 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L3
SYMATTR Value 10m
SYMATTR SpiceLine Rser=50
SYMBOL ind 576 560 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L4
SYMATTR Value 10m
SYMATTR SpiceLine Rser=50
SYMBOL cap 432 576 R0
SYMATTR InstName C6
SYMATTR Value 0.02u
SYMBOL cap 304 576 R0
SYMATTR InstName C7
SYMATTR Value 6200p
SYMBOL cap 560 576 R0
SYMATTR InstName C8
SYMATTR Value 6200p
SYMBOL Opamps\\LT1028 880 528 R0
SYMATTR InstName U3
SYMBOL res 832 560 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 800
SYMBOL res 944 432 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 1600
SYMBOL ind 1104 576 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L5
SYMATTR Value 10m
SYMBOL ind 1184 576 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L6
SYMATTR Value 10m
SYMBOL cap 992 592 R0
SYMATTR InstName C9
SYMATTR Value 6200p
SYMBOL cap 1072 592 R0
SYMATTR InstName C10
SYMATTR Value 0.02u
SYMBOL cap 1152 592 R0
SYMATTR InstName C11
SYMATTR Value 6200p
SYMBOL res 1248 576 R0
SYMATTR InstName R3
SYMATTR Value 800
SYMBOL res 224 592 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R9
SYMATTR Value 560
SYMBOL res 608 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R10
SYMATTR Value 560
TEXT -200 280 Left 2 !.ac oct 10 10 1Meg