initial commit

examples/jigs/1677.asc

@@ -0,0 +1,66 @@
+Version 4
+SHEET 1 896 680
+WIRE -224 0 -224 -16
+WIRE -448 48 -448 32
+WIRE -320 48 -320 32
+WIRE -224 96 -224 80
+WIRE -64 96 -224 96
+WIRE 64 96 0 96
+WIRE 160 96 144 96
+WIRE 176 96 160 96
+WIRE 288 96 256 96
+WIRE -224 112 -224 96
+WIRE -448 144 -448 128
+WIRE -320 144 -320 128
+WIRE -224 192 -224 176
+WIRE 224 208 224 192
+WIRE 160 224 160 96
+WIRE 192 224 160 224
+WIRE 288 240 288 96
+WIRE 288 240 256 240
+WIRE 336 240 288 240
+WIRE 192 256 160 256
+WIRE 224 288 224 272
+FLAG -320 144 0
+FLAG 224 192 +V
+FLAG -320 32 +V
+FLAG 224 288 -V
+FLAG -448 144 0
+FLAG -448 32 -V
+FLAG 160 256 0
+FLAG -224 192 0
+FLAG -224 -16 +V
+FLAG 336 240 OUT
+SYMBOL voltage -320 32 R0
+SYMATTR InstName V1
+SYMATTR Value 1.5
+SYMBOL voltage -448 32 R0
+SYMATTR InstName V2
+SYMATTR Value -1.5
+SYMBOL res 272 80 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R1
+SYMATTR Value 1Meg
+SYMBOL res 160 80 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R2
+SYMATTR Value 10K
+SYMBOL opamps\\LT1677 224 176 R0
+SYMATTR InstName U1
+SYMBOL cap -240 112 R0
+SYMATTR InstName C1
+SYMATTR Value Q=100p*sin(2*pi*2K*time)
+SYMBOL res -240 96 M180
+WINDOW 0 36 76 Left 2
+WINDOW 3 36 40 Left 2
+SYMATTR InstName R3
+SYMATTR Value 10K
+SYMBOL cap 0 80 R90
+WINDOW 0 0 32 VBottom 2
+WINDOW 3 32 32 VTop 2
+SYMATTR InstName C2
+SYMATTR Value .68<EFBFBD>
+TEXT 392 280 Left 2 !.tran 3m
+TEXT 8 -56 Bottom 2 ;3V Electret Microphone Amplifier