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Version 4
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SHEET 1 1156 680
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WIRE 112 48 -16 48
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WIRE 192 48 112 48
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WIRE 320 48 272 48
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WIRE 384 48 320 48
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WIRE 480 48 384 48
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WIRE 560 48 480 48
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WIRE -16 64 -16 48
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WIRE 112 64 112 48
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WIRE 480 128 480 48
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WIRE 560 128 560 48
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WIRE -336 144 -336 128
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WIRE -208 144 -336 144
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WIRE 384 144 384 48
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WIRE 320 160 320 48
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WIRE 320 160 272 160
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WIRE -336 176 -336 144
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WIRE -208 176 -208 144
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WIRE -16 176 -16 144
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WIRE 16 176 -16 176
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WIRE 208 176 16 176
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WIRE 304 192 272 192
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WIRE 384 256 384 208
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WIRE 480 256 480 208
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WIRE 480 256 384 256
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WIRE 560 256 560 208
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WIRE 560 256 480 256
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WIRE 304 288 304 192
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WIRE 560 288 560 256
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FLAG 560 288 0
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FLAG 304 288 0
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FLAG -208 176 0
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FLAG -336 48 V+
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FLAG -336 256 V-
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FLAG 240 208 V-
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FLAG 240 144 V+
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FLAG 16 176 OUT
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FLAG 112 144 0
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SYMBOL current 560 128 M0
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WINDOW 123 0 0 Left 2
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WINDOW 39 0 0 Left 2
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SYMATTR InstName I1
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SYMATTR Value 0
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SYMBOL res 496 112 M0
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SYMATTR InstName R1
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SYMATTR Value 5G
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SYMBOL cap 400 144 M0
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SYMATTR InstName C1
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SYMATTR Value 72p
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SYMBOL res 176 32 M90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R2
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SYMATTR Value 10Meg
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SYMBOL voltage -336 32 R0
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WINDOW 123 0 0 Left 2
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WINDOW 39 0 0 Left 2
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SYMATTR InstName V1
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SYMATTR Value 3.3
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SYMBOL voltage -336 160 R0
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WINDOW 123 0 0 Left 2
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WINDOW 39 0 0 Left 2
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SYMATTR InstName V2
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SYMATTR Value 3.3
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SYMBOL res -32 160 M180
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WINDOW 0 36 76 Left 2
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WINDOW 3 36 40 Left 2
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SYMATTR InstName R3
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SYMATTR Value 100k
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SYMBOL res 96 160 M180
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WINDOW 0 36 76 Left 2
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WINDOW 3 36 40 Left 2
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SYMATTR InstName R4
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SYMATTR Value {RVAR}
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SYMBOL Opamps\\opamp2 240 112 M0
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SYMATTR InstName U1
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SYMATTR Value AD8616
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TEXT -368 328 Left 2 !.dc dec I1 10f 100n
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TEXT -368 368 Left 2 !.include ad8616.cir
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TEXT -368 408 Left 2 !.step param RVAR list 0.1k, 1k, 10k
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