Version 4
SHEET 1 892 680
WIRE 432 80 256 80
WIRE 336 208 160 208
WIRE 256 256 256 160
WIRE 64 272 0 272
WIRE 160 272 160 208
WIRE 160 272 128 272
WIRE 224 272 160 272
WIRE 336 288 288 288
WIRE 448 288 336 288
WIRE 576 288 512 288
WIRE 224 304 160 304
WIRE 0 384 0 352
WIRE 256 384 256 320
WIRE 160 464 160 304
WIRE 160 464 0 464
WIRE 256 464 160 464
WIRE 432 464 432 80
WIRE 432 464 256 464
WIRE 432 496 432 464
FLAG 432 496 0
FLAG 576 288 Output
IOPIN 576 288 Out
SYMBOL Misc\\battery 256 176 R180
WINDOW 0 24 104 Left 0
WINDOW 3 24 16 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL Misc\\battery 256 480 R180
WINDOW 0 24 104 Left 0
WINDOW 3 24 16 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 9
SYMBOL Misc\\signal 0 368 R0
WINDOW 3 -47 135 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value SINE(0 100m 1K)
SYMATTR InstName V3
SYMBOL cap 128 256 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL cap 448 304 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName C3
SYMATTR Value .1µ
SYMBOL res -16 256 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 320 192 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL Robertugo\\OPAMP5 256 224 R0
WINDOW 0 -27 63 Left 0
SYMATTR InstName U1
SYMATTR SpiceModel LM348
TEXT 192 584 Left 0 !.tran 10m
TEXT -32 -40 Left 0 ;LM348 TEXAS INSTRUMENTS QUADRUPLE OPAMP\n(THIS IS 1 OF 4 OPAMPS IN THE 14-PIN DIP PACKAGE)
TEXT -88 40 Left 0 ;This is an Inverting OpAmp Audio Preamplifier with a Gain of 10