Version 4
SHEET 1 984 680
WIRE 192 -48 96 -48
WIRE 240 -48 192 -48
WIRE 352 -48 320 -48
WIRE 384 -48 352 -48
WIRE 480 -48 464 -48
WIRE 512 -48 480 -48
WIRE 608 -48 592 -48
WIRE 704 -48 608 -48
WIRE 736 -48 704 -48
WIRE 96 -32 96 -48
WIRE 192 64 192 -48
WIRE 144 80 -96 80
WIRE 144 128 32 128
WIRE 32 176 32 128
FLAG 96 48 0
FLAG 192 224 0
FLAG 704 -48 out
FLAG 32 256 0
FLAG -96 160 0
FLAG 352 16 0
FLAG 480 16 0
FLAG 608 16 0
SYMBOL voltage 32 160 R0
WINDOW 3 4 189 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(-2 2 0 16µ 16µ 0 32µ)
SYMBOL voltage -96 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 1 1k)
SYMBOL voltage 96 -48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 -138 69 Left 2
SYMATTR InstName V3
SYMATTR Value 1
SYMATTR SpiceLine Rser=100
SYMBOL voltage 192 128 R0
WINDOW 0 38 57 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR InstName V4
SYMATTR Value -1
SYMATTR SpiceLine Rser=0
SYMBOL sw 192 48 R0
SYMATTR InstName S1
SYMATTR Value compsw
SYMBOL res 336 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 480 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL cap 336 -48 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL cap 464 -48 R0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL res 608 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL cap 592 -48 R0
SYMATTR InstName C3
SYMATTR Value 10n
TEXT -130 376 Left 2 !.tran 0 2 0 0.2µ
TEXT 440 88 Left 2 !.wave c:\\temp\\test.wav 8 44.1k V(out)
TEXT 392 184 Left 2 !.model compsw sw(ron=1m roff=1MEG vt=0 vh=0)