Version 4
SHEET 1 896 848
WIRE -432 -64 -432 -80
WIRE 16 -32 0 -32
WIRE 176 -32 80 -32
WIRE -528 -16 -528 -32
WIRE -256 16 -256 0
WIRE -432 32 -432 16
WIRE -352 32 -432 32
WIRE -288 32 -352 32
WIRE -432 48 -432 32
WIRE -144 48 -224 48
WIRE -128 48 -144 48
WIRE -96 48 -128 48
WIRE 0 48 0 -32
WIRE 0 48 -16 48
WIRE 64 48 0 48
WIRE 176 48 176 -32
WIRE 176 48 144 48
WIRE -288 64 -336 64
WIRE -528 80 -528 64
WIRE -256 96 -256 80
WIRE 64 128 64 112
WIRE -432 144 -432 128
WIRE -336 144 -336 64
WIRE -240 144 -336 144
WIRE -144 144 -144 48
WIRE -144 144 -160 144
WIRE 0 144 0 48
WIRE 32 144 0 144
WIRE 176 160 176 48
WIRE 176 160 96 160
WIRE 32 176 0 176
WIRE 64 208 64 192
WIRE -336 224 -336 144
WIRE -320 224 -336 224
WIRE -144 224 -144 144
WIRE -144 224 -256 224
WIRE -96 272 -144 272
WIRE 0 272 0 176
WIRE 0 272 -16 272
WIRE 48 272 0 272
WIRE 144 272 128 272
WIRE -128 352 -128 48
WIRE -112 352 -128 352
WIRE 0 352 -32 352
WIRE 16 352 0 352
WIRE 176 352 176 160
WIRE 176 352 96 352
WIRE 64 432 64 416
WIRE 0 448 0 352
WIRE 32 448 0 448
WIRE 176 464 96 464
WIRE 192 464 176 464
WIRE 288 464 272 464
WIRE 352 464 288 464
WIRE 32 480 0 480
WIRE 288 480 288 464
WIRE 64 512 64 496
WIRE -256 544 -256 528
WIRE -528 560 -592 560
WIRE -448 560 -464 560
WIRE -352 560 -352 32
WIRE -352 560 -368 560
WIRE -288 560 -352 560
WIRE 288 560 288 544
WIRE -592 576 -592 560
WIRE -144 576 -144 272
WIRE -144 576 -224 576
WIRE -112 576 -144 576
WIRE 0 576 0 480
WIRE 0 576 -32 576
WIRE 64 576 0 576
WIRE 176 576 176 464
WIRE 176 576 144 576
WIRE -288 592 -336 592
WIRE -256 624 -256 608
WIRE 0 656 0 576
WIRE 16 656 0 656
WIRE 176 656 176 576
WIRE 176 656 80 656
WIRE -592 672 -592 656
WIRE -336 672 -336 592
WIRE -240 672 -336 672
WIRE -144 672 -144 576
WIRE -144 672 -160 672
WIRE -336 752 -336 672
WIRE -320 752 -336 752
WIRE -144 752 -144 672
WIRE -144 752 -256 752
FLAG -528 80 0
FLAG 64 112 +V
FLAG -528 -32 +V
FLAG -592 672 0
FLAG 64 512 +V
FLAG 64 208 0
FLAG 64 416 0
FLAG -256 96 +V
FLAG -256 0 0
FLAG 144 272 0
FLAG -256 624 +V
FLAG -256 528 0
FLAG -432 144 0
FLAG -432 -80 +V
FLAG 288 560 0
FLAG 352 464 OUT
FLAG -592 560 IN
SYMBOL voltage -528 -32 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 160 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 20K
SYMBOL res 0 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL voltage -592 560 R0
SYMATTR InstName V2
SYMATTR Value SINE(0 1 1K)
SYMBOL opamps\\LT1216 64 96 R0
SYMATTR InstName U1
SYMBOL opamps\\LT1216 64 528 M180
SYMATTR InstName U2
SYMBOL opamps\\LT1216 -256 112 M180
WINDOW 0 21 88 Left 2
WINDOW 3 20 41 Left 2
SYMATTR InstName U4
SYMBOL res 0 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res 144 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 20K
SYMBOL res 112 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL res -16 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10K
SYMBOL cap 80 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 22p
SYMBOL res 160 560 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL res -16 560 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL cap 80 640 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 22p
SYMBOL res -144 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 11.3K
SYMBOL cap -256 208 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 22p
SYMBOL opamps\\LT1216 -256 640 M180
WINDOW 0 19 91 Left 2
WINDOW 3 14 41 Left 2
SYMATTR InstName U3
SYMBOL res -144 656 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 11.3K
SYMBOL cap -256 736 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 22p
SYMBOL res -448 144 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R11
SYMATTR Value 10K
SYMBOL res -448 32 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R12
SYMATTR Value 20K
SYMBOL res -352 544 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 1K
SYMBOL cap -528 576 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C5
SYMATTR Value 10µ
SYMBOL res 288 448 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 100K
SYMBOL cap 272 480 R0
SYMATTR InstName C6
SYMATTR Value 1µ
TEXT 256 672 Left 2 !.tran 1
TEXT -184 -152 Bottom 2 ;Single Supply, AC Coupled Input, RMS Calibrated, Average Detector