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Version 4
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SHEET 1 1136 680
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WIRE 144 -416 144 -448
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WIRE 272 -416 272 -448
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WIRE 400 -416 400 -448
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WIRE 400 -320 400 -352
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WIRE 144 -304 144 -336
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WIRE 272 -304 272 -336
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WIRE 400 -224 400 -256
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WIRE 400 -128 400 -160
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WIRE 400 -16 400 -64
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WIRE -336 16 -336 -16
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WIRE 96 16 96 -48
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WIRE 160 16 96 16
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WIRE 336 32 224 32
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WIRE 16 48 -48 48
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WIRE 128 48 96 48
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WIRE 160 48 128 48
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WIRE 128 96 128 48
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WIRE 400 112 400 80
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WIRE 400 112 368 112
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WIRE -336 128 -336 96
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WIRE -208 128 -336 128
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WIRE 400 128 400 112
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WIRE -112 144 -144 144
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WIRE -80 144 -112 144
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WIRE 64 144 0 144
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WIRE -336 160 -336 128
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WIRE 128 240 128 192
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WIRE 400 240 400 208
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WIRE -336 288 -336 240
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WIRE 128 320 64 320
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WIRE 128 368 128 320
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WIRE -112 416 -112 144
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WIRE -80 416 -112 416
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WIRE 64 416 0 416
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WIRE 128 496 128 464
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WIRE 128 608 128 576
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FLAG 144 -304 0
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FLAG 144 -448 V+
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FLAG 192 0 V+
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FLAG 192 64 0
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FLAG 272 -448 VSIG
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FLAG 272 -304 0
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FLAG 400 -448 V+
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FLAG 400 240 0
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FLAG -48 48 VSIG
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FLAG -208 160 VSIG
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FLAG -176 112 V+
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FLAG -176 176 0
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FLAG 128 240 0
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FLAG 0 320 V+
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FLAG 128 608 0
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FLAG 368 112 VSENSE
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FLAG 96 -48 VSENSE
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FLAG -336 288 0
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FLAG -336 -16 V+
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SYMBOL Opamps\\opamp2 192 -32 R0
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SYMATTR InstName U1
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SYMATTR Value LM324
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SYMBOL voltage 144 -432 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 18V
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SYMBOL npn 336 -16 R0
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SYMATTR InstName Q1
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SYMATTR Value 2N3904
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SYMBOL voltage 272 -432 R0
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WINDOW 3 24 44 Left 2
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WINDOW 123 0 0 Left 2
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WINDOW 39 24 44 Left 2
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SYMATTR Value ""
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SYMATTR InstName V2
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SYMBOL LED 384 -128 R0
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SYMATTR InstName D1
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SYMATTR Value LXHL-BW02
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SYMBOL res 384 112 R0
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SYMATTR InstName R1
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SYMATTR Value 10R
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SYMBOL LED 384 -224 R0
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SYMATTR InstName D2
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SYMATTR Value LXHL-BW02
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SYMBOL LED 384 -320 R0
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SYMATTR InstName D3
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SYMATTR Value LXHL-BW02
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SYMBOL LED 384 -416 R0
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SYMATTR InstName D4
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SYMATTR Value LXHL-BW02
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SYMBOL Opamps\\opamp2 -176 80 R0
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SYMATTR InstName U2
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SYMATTR Value LM324
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SYMBOL npn 64 96 R0
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SYMATTR InstName Q2
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SYMATTR Value 2N3904
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SYMBOL res 112 32 R90
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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 10k
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SYMBOL res 16 128 R90
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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 R3
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SYMATTR Value 4.7k
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SYMBOL res 16 400 R90
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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 R4
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SYMATTR Value 4.7k
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SYMBOL npn 64 368 R0
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SYMATTR InstName Q3
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SYMATTR Value 2N3904
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SYMBOL LED 0 336 R270
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WINDOW 0 72 32 VTop 2
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WINDOW 3 0 32 VBottom 2
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SYMATTR InstName D5
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SYMATTR Value LXHL-BW02
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SYMBOL res 112 480 R0
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SYMATTR InstName R5
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SYMATTR Value 2.7k
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SYMBOL res -352 0 R0
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SYMATTR InstName R6
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SYMATTR Value 330k
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SYMBOL res -352 144 R0
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SYMATTR InstName R7
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SYMATTR Value 5.6k
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TEXT 312 344 Left 2 !.include LM324.txt
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TEXT 312 392 Left 2 !.dc V2 0mV 400mV
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