Version 4
SHEET 1 2484 1120
WIRE 80 -176 32 -176
WIRE 32 -160 32 -176
WIRE 80 -160 80 -176
WIRE 160 -32 112 -32
WIRE 160 -16 160 -32
WIRE 1120 -16 1040 -16
WIRE 80 16 80 -80
WIRE 112 16 112 -32
WIRE 1040 16 1040 -16
WIRE 1120 16 1120 -16
WIRE 48 64 -816 64
WIRE 304 80 272 80
WIRE 432 80 384 80
WIRE 688 80 432 80
WIRE -192 96 -208 96
WIRE -80 96 -112 96
WIRE 48 96 -80 96
WIRE 688 96 688 80
WIRE 1040 144 1040 96
WIRE -1360 160 -1376 160
WIRE -1248 160 -1360 160
WIRE -1088 160 -1104 160
WIRE -976 160 -1088 160
WIRE -208 176 -208 96
WIRE -1376 192 -1376 160
WIRE -1104 192 -1104 160
WIRE -816 192 -816 64
WIRE 688 208 688 176
WIRE 848 208 688 208
WIRE 928 208 912 208
WIRE 1216 208 1152 208
WIRE 1520 208 1216 208
WIRE -1248 224 -1248 160
WIRE -976 224 -976 160
WIRE 192 224 192 144
WIRE 1216 224 1216 208
WIRE -80 256 -80 96
WIRE -32 256 -80 256
WIRE 144 256 144 144
WIRE 144 256 48 256
WIRE 160 256 160 144
WIRE 160 256 144 256
WIRE 688 256 688 208
WIRE -1376 304 -1376 272
WIRE -1248 304 -1376 304
WIRE -1104 304 -1104 272
WIRE -1104 304 -1248 304
WIRE -976 304 -1104 304
WIRE -816 304 -816 272
WIRE -816 304 -976 304
WIRE 928 304 864 304
WIRE 1216 304 1216 288
WIRE 1216 304 1152 304
WIRE 1344 304 1216 304
WIRE -256 320 -352 320
WIRE 1344 320 1344 304
WIRE -1104 336 -1104 304
WIRE 688 368 688 336
WIRE 864 368 864 304
WIRE 864 368 688 368
WIRE -256 384 -256 320
WIRE 864 416 864 368
WIRE 1040 416 1040 368
WIRE 224 464 224 144
WIRE 224 464 -256 464
WIRE 256 480 256 144
WIRE 432 480 400 480
WIRE -256 560 -256 544
WIRE -48 560 -256 560
WIRE 256 560 256 480
WIRE 304 560 256 560
WIRE 432 560 432 480
WIRE 432 560 368 560
WIRE -256 656 -256 640
WIRE 432 752 432 560
WIRE 432 752 368 752
WIRE 528 752 432 752
WIRE 1520 752 1520 208
WIRE 1520 752 608 752
WIRE 256 768 256 560
WIRE 304 768 256 768
WIRE 400 784 368 784
WIRE -48 896 -48 560
WIRE 400 896 400 784
WIRE 400 896 -48 896
FLAG 96 224 0
FLAG 32 -160 0
FLAG 160 -16 0
FLAG 192 224 0
FLAG 432 144 0
FLAG 336 800 0
FLAG 336 656 0
FLAG -256 656 0
FLAG -1104 336 0
FLAG -1360 160 out4
FLAG -1088 160 out5
FLAG 1120 16 0
FLAG 1040 496 0
FLAG 1344 320 0
FLAG 864 416 0
FLAG -352 400 0
FLAG -208 176 0
SYMBOL OpAmps\\AD8336 96 32 R0
SYMATTR InstName U1
SYMBOL Misc\\battery 80 -64 R180
WINDOW 0 42 52 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL Misc\\battery 96 240 R180
WINDOW 0 24 104 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL res 64 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 300
SYMBOL res -96 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL res 400 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL cap 416 80 R0
SYMATTR InstName C1
SYMATTR Value 4.7n
SYMBOL OpAmps\\AD8551 336 704 M0
SYMATTR InstName U3
SYMBOL res 624 736 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 51 59 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL Misc\\battery 336 752 R180
WINDOW 0 24 104 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 5
SYMBOL res 416 464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL cap 320 464 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 2.2µ
SYMBOL cap 368 544 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 22n
SYMBOL res -272 368 R0
SYMATTR InstName R7
SYMATTR Value 2k
SYMBOL res -272 448 R0
SYMATTR InstName R8
SYMATTR Value 1050
SYMBOL voltage -1376 176 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -36 199 Left 2
SYMATTR Value SINE(0 0.3 100k)
SYMATTR InstName V3
SYMBOL voltage -1104 176 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 34 207 Left 2
SYMATTR Value SINE(1 0.02 5)
SYMATTR InstName V4
SYMBOL res -1264 208 R0
SYMATTR InstName R4
SYMATTR Value 1000k
SYMBOL res -992 208 R0
SYMATTR InstName R12
SYMATTR Value 1000k
SYMBOL bv -816 176 R0
SYMATTR InstName B1
SYMATTR Value V=(V(out4)*V(out5))
SYMBOL SpecialFunctions\\LTC1968 1040 256 R0
SYMATTR InstName U2
SYMBOL Misc\\battery 1040 512 R180
WINDOW 0 24 104 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V7
SYMATTR Value 5
SYMBOL cap 912 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.1µ
SYMBOL cap 1200 224 R0
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL Misc\\battery 1040 112 R180
WINDOW 0 24 104 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V10
SYMATTR Value 5
SYMBOL Misc\\battery -352 304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V11
SYMATTR Value 1.5
SYMBOL res 672 80 R0
SYMATTR InstName R11
SYMATTR Value 3k
SYMBOL res 672 240 R0
SYMATTR InstName R13
SYMATTR Value 1k
SYMBOL res -272 544 R0
SYMATTR InstName R9
SYMATTR Value 931
TEXT -720 760 Left 2 !.tran 1 startup