Version 4
SHEET 1 880 680
WIRE -752 -128 -768 -128
WIRE -624 -128 -672 -128
WIRE -624 -80 -624 -128
WIRE -512 -80 -624 -80
WIRE -464 -80 -512 -80
WIRE -368 -80 -384 -80
WIRE -352 -80 -368 -80
WIRE -336 -80 -352 -80
WIRE -240 -80 -256 -80
WIRE -128 -80 -144 -80
WIRE -32 -80 -48 -80
WIRE 80 -80 64 -80
WIRE 176 -80 160 -80
WIRE 288 -80 272 -80
WIRE 384 -80 368 -80
WIRE 432 -80 384 -80
WIRE 496 -80 432 -80
WIRE 384 -48 384 -80
WIRE 432 -48 432 -80
WIRE -624 -32 -624 -80
WIRE -560 -32 -624 -32
WIRE -464 -32 -480 -32
WIRE -448 -32 -464 -32
WIRE -368 -32 -368 -80
WIRE -368 -32 -400 -32
WIRE -752 -16 -768 -16
WIRE -624 -16 -624 -32
WIRE -624 -16 -672 -16
WIRE -464 16 -464 -32
WIRE -448 16 -464 16
WIRE -368 16 -368 -32
WIRE -368 16 -384 16
WIRE -368 32 -368 16
WIRE 384 64 384 32
WIRE 432 64 432 32
WIRE -624 80 -624 -16
WIRE -576 80 -624 80
WIRE -752 96 -768 96
WIRE -624 96 -624 80
WIRE -624 96 -672 96
WIRE -576 96 -576 80
WIRE -624 112 -624 96
WIRE -624 192 -624 176
WIRE -576 192 -576 176
WIRE -368 192 -368 176
FLAG -624 192 0
FLAG -768 96 0
FLAG -576 192 0
FLAG -512 -80 1
FLAG -352 -80 2
FLAG -368 192 0
FLAG -144 -48 0
FLAG 496 -80 o
IOPIN 496 -80 Out
FLAG -240 -48 0
FLAG 64 -48 0
FLAG -32 -48 0
FLAG 272 -48 0
FLAG 176 -48 0
FLAG 432 64 0
FLAG 384 64 0
FLAG -768 -16 0
FLAG -768 -128 0
SYMBOL current -752 -128 M90
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 48 80 VLeft 0
WINDOW 0 -32 80 VLeft 0
SYMATTR Value PULSE(0 .2 1m 0.3 0.1 0.5)
SYMATTR InstName I1
SYMBOL current -752 -16 M90
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 48 80 VLeft 0
WINDOW 0 -32 80 VLeft 0
SYMATTR Value PULSE(0 0.4 1 0.1 0.1 0.2)
SYMATTR InstName I2
SYMBOL current -752 96 M90
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 48 80 VLeft 0
WINDOW 0 -32 80 VLeft 0
SYMATTR Value PULSE(0 0.9 1.4 30m 0.1 0.3)
SYMATTR InstName I3
SYMBOL cap -608 112 M0
SYMATTR InstName C1
SYMATTR Value 300µ
SYMBOL res -592 80 R0
SYMATTR InstName R1
SYMATTR Value 200
SYMBOL res -464 -48 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL cap -384 0 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value 50n
SYMBOL sw -368 -80 M270
WINDOW 0 32 80 VRight 0
WINDOW 3 32 32 VLeft 0
SYMATTR InstName S1
SYMATTR Value lips
SYMBOL res -384 16 R0
SYMATTR InstName R3
SYMATTR Value 3
SYMBOL cap -384 112 R0
SYMATTR InstName C3
SYMATTR Value 120µ
SYMBOL res -240 -96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value {Rs/2}
SYMBOL tline -192 -64 R0
WINDOW 3 -29 35 Left 0
WINDOW 123 -26 59 Left 0
SYMATTR Value td={td}
SYMATTR Value2 Zo=100
SYMATTR InstName T1
SYMBOL res -32 -96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value {Rs}
SYMBOL tline 16 -64 R0
WINDOW 3 -29 35 Left 0
WINDOW 123 -26 59 Left 0
SYMATTR Value td={td}
SYMATTR Value2 Zo=100
SYMATTR InstName T2
SYMBOL res 176 -96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value {Rs}
SYMBOL tline 224 -64 R0
WINDOW 3 -29 35 Left 0
WINDOW 123 -26 59 Left 0
SYMATTR Value td={td}
SYMATTR Value2 Zo=100
SYMATTR InstName T3
SYMBOL res 272 -64 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R7
SYMATTR Value {Rs/2}
SYMBOL res 400 48 R180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL ind 416 -64 R0
SYMATTR InstName L1
SYMATTR Value 3m
SYMATTR SpiceLine Rser=1m
TEXT -576 -144 Left 0 !.model lips sw Ron=.3 Roff=300 Vt=4 Vh=3.6
TEXT -272 48 Left 0 !.param f=280 R=8\n+ td=1/(6*f)\n+ Rs=R/4
TEXT 48 80 Left 0 !Rw o x 10k\nCw x 0 10n\nEw w 0 x 0 0.12\n.wave blow1.wav 16 22.05k V(w)
TEXT -272 128 Left 0 !.tran 0 2 0 1m
TEXT -272 152 Left 0 !.opt plotwinsize=0
TEXT -120 -280 Center 0 ;Simulated Trumpet
TEXT -672 -208 Center 0 ;Air Source and Mouth
TEXT -368 -184 Center 0 ;Lips and Mouthpiece
TEXT 8 -160 Center 0 ;Brass Resonating Tube
TEXT 408 -144 Center 0 ;Horn and Sound Out
TEXT 48 48 Left 0 ;Wave File Generation
TEXT -272 176 Left 0 !.save V(1) V(2) V(o) V(w) I(I1) I(I2) I(I3)
RECTANGLE Normal 0 -256 -240 -304