67 lines
1.4 KiB
Plaintext
67 lines
1.4 KiB
Plaintext
Version 4
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SHEET 1 896 680
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WIRE -224 0 -224 -16
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WIRE -448 48 -448 32
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WIRE -320 48 -320 32
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WIRE -224 96 -224 80
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WIRE -64 96 -224 96
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WIRE 64 96 0 96
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WIRE 160 96 144 96
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WIRE 176 96 160 96
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WIRE 288 96 256 96
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WIRE -224 112 -224 96
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WIRE -448 144 -448 128
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WIRE -320 144 -320 128
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WIRE -224 192 -224 176
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WIRE 224 208 224 192
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WIRE 160 224 160 96
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WIRE 192 224 160 224
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WIRE 288 240 288 96
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WIRE 288 240 256 240
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WIRE 336 240 288 240
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WIRE 192 256 160 256
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WIRE 224 288 224 272
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FLAG -320 144 0
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FLAG 224 192 +V
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FLAG -320 32 +V
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FLAG 224 288 -V
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FLAG -448 144 0
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FLAG -448 32 -V
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FLAG 160 256 0
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FLAG -224 192 0
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FLAG -224 -16 +V
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FLAG 336 240 OUT
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SYMBOL voltage -320 32 R0
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SYMATTR InstName V1
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SYMATTR Value 1.5
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SYMBOL voltage -448 32 R0
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SYMATTR InstName V2
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SYMATTR Value -1.5
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SYMBOL res 272 80 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 R1
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SYMATTR Value 1Meg
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SYMBOL res 160 80 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 opamps\\LT1677 224 176 R0
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SYMATTR InstName U1
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SYMBOL cap -240 112 R0
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SYMATTR InstName C1
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SYMATTR Value Q=100p*sin(2*pi*2K*time)
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SYMBOL res -240 96 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 10K
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SYMBOL cap 0 80 R90
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WINDOW 0 0 32 VBottom 2
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WINDOW 3 32 32 VTop 2
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SYMATTR InstName C2
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SYMATTR Value .68ľ
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TEXT 392 280 Left 2 !.tran 3m
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TEXT 8 -56 Bottom 2 ;3V Electret Microphone Amplifier
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