* Z:\home\khalils\Downloads\files\data\raw_asc\512498a2a006_futaba-encoder-pulse-avalanche.asc
* Generated by LTspice 26.0.1 for Windows.
* Futaba 6ch
* C
* R
* C & R determine the length of the pulse.\nWhen the oscilator drops voltage across C\nthe resistor R is responsible to charge C.
* When the oscilator drops the voltage across C,\nthe capacitor drops the voltabe in the base of\ntransistor cutting it off. This raises the voltage\nin the collector of transistor charging capacitors\nconnected to it. After C charges enoughtly the\ntransistor enables again dropping the voltage on\nits collector, generating a negative voltage on\nthe other side of capacitors.
C31 N007 N011 0.005
C3 N055 0 0.001
C34 N028 N027 0.04
C17 N050 N049 0.0015
R13 N017 N041 2.3k
R41 N001 N002 560
R6 N014 N038 82k
C20 N024 N023 0.04
R38 N027 N051 2.3k
D4 N013 N044 D
R4 N001 N014 50k
C9 N044 N043 0.0015
R25 N022 N032 82k
C30 N011 N013 0.015
D5 N013 N042 D
C7 N042 N041 0.0015
C12 N046 N045 0.0015
D11 N012 0 D
Q4 N043 N018 0 0 NPN
R36 N034 N001 100k
R50 N003 0 10k
Q7 N049 N024 0 0 NPN
Q5 N045 N020 0 0 NPN
R52 N028 N035 82k
R5 N014 N037 82k
C33 N028 0 0.001
R54 N001 N053 4.7k
R20 N020 N031 82k
R46 N009 N012 560
Q10 N007 N006 0 0 NPN
R9 N013 0 100k
R35 N026 N034 82k
D1 N038 N055 D
R8 0 N042 47k
R30 N024 N033 82k
C16 N022 0 0.001
C23 N026 N025 0.04
R18 N019 N043 2.3k
D2 N037 N056 D
R51 N003 N002 10k
Q11 N010 N009 0 0 NPN
C29 N011 0 0.001
R10 N016 N029 82k
Q3 N041 N016 0 0 NPN
R23 N021 N045 2.3k
C26 0 N008 0.03
C13 N020 0 0.001
C15 N048 N047 0.0015
R2 N015 N039 2.5k
R53 N035 N001 100k
R47 0 N054 47k
C5 N040 N039 0.0015
Q2 N039 N056 0 0 NPN
R55 N001 N027 2.7k
R48 N012 0 3.3k
Q8 N051 N026 0 0 NPN
R24 0 N048 47k
C27 0 N004 470p
D8 N013 N050 D
Q1 N036 N055 0 0 NPN
R7 N040 0 47k
R12 N001 N017 2.7k
R49 N009 N008 1.5k
C19 N022 N021 0.04
C4 N056 0 0.001
C18 N024 0 0.001
C22 N026 0 0.001
R32 N001 N025 2.7k
D10 0 N005 D
R1 N001 N036 4.7k
C6 N016 N015 0.04
R14 0 N044 47k
Q6 N047 N022 0 0 NPN
R33 N025 N049 2.3k
R27 N001 N023 2.7k
R44 N005 N004 22k
C14 N020 N019 0.04
C24 N010 N009 0.003
R16 N030 N001 1k
R37 N001 N006 15k
C11 N018 N017 0.04
R28 N023 N047 2.3k
R43 N004 N003 22k
C2 N039 N038 0.1
C10 N018 0 0.001
R11 N029 N001 100k
R29 0 N050 47k
R17 N001 N019 2.7k
D12 N057 N054 D
R31 N033 N001 100k
Q12 N053 N028 0 0 NPN
R42 N001 N011 91k
D9 N013 N052 D
D3 N013 N040 D
C21 N052 N051 0.0015
V1 N001 0 6.2
R22 N001 N021 2.7k
R15 N018 N030 82k
R26 N032 N001 1k
D6 N013 N046 D
C28 0 N003 0.001
R39 N001 N007 5.6k
R3 N001 N015 2.5k
C32 N054 N053 0.0015
Q9 N006 N011 0 0 NPN
C1 N037 N036 0.1
D7 N013 N048 D
R45 N008 N007 1.5k
R19 0 N046 47k
R40 N002 N010 1k
R34 0 N052 47k
R21 N031 N001 100k
C25 0 N009 0.03
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.model NPN NPN
.model PNP PNP
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.bjt
.tran 0.2
.backanno
.end

* LTspice schematic (.asc):
Version 4
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SYMATTR Value 6.2
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WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
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SYMATTR InstName R39
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WINDOW 3 36 40 Left 2
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WINDOW 0 36 76 Left 2
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WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
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WINDOW 3 24 0 Left 2
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WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
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SYMBOL Diode 4224 480 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
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WINDOW 3 36 40 Left 2
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SYMATTR InstName R33
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WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
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WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C19
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WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
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WINDOW 3 36 40 Left 2
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SYMBOL Res 2656 512 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
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WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
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WINDOW 3 32 32 VTop 2
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WINDOW 3 32 32 VTop 2
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WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
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WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
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WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
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WINDOW 3 32 56 VTop 2
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WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
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WINDOW 3 24 0 Left 2
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WINDOW 3 32 32 VTop 2
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WINDOW 3 32 56 VTop 2
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WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
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WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
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WINDOW 3 32 32 VTop 2
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WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
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WINDOW 3 36 40 Left 2
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WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
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WINDOW 3 24 8 Left 2
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WINDOW 3 36 40 Left 2
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WINDOW 3 24 8 Left 2
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WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
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WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
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WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
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WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
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SYMBOL Cap 2688 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
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SYMBOL Cap 4224 304 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
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SYMBOL Res 2096 512 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
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SYMATTR InstName R18
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WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
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SYMATTR Value 100k
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SYMBOL Res 1216 192 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
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SYMBOL Res 832 -496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
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SYMATTR InstName C29
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SYMBOL Cap 240 304 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.1u
SYMBOL Res 2304 336 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R25
SYMATTR Value 82k
SYMBOL Cap 1408 -448 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C24
SYMATTR Value 0.003u
SYMBOL Cap 2016 -464 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C27
SYMATTR Value 470p
SYMBOL Res 1664 -544 R0
SYMATTR InstName R50
SYMATTR Value 10k
SYMBOL Diode 2016 480 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D6
SYMBOL npn 736 352 R0
SYMATTR InstName Q3
SYMBOL Res 2864 336 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R30
SYMATTR Value 82k
SYMBOL Cap 1488 304 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 0.0015u
SYMBOL Res 704 192 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R11
SYMATTR Value 100k
FLAG -128 480 0
FLAG 304 480 0
FLAG -320 176 0
FLAG 512 512 0
FLAG 432 688 0
FLAG 208 496 0
FLAG -32 496 0
FLAG 800 464 0
FLAG 1040 512 0
FLAG 688 496 0
FLAG 1312 464 0
FLAG 1552 512 0
FLAG 1200 496 0
FLAG 1840 464 0
FLAG 2080 512 0
FLAG 1728 496 0
FLAG 2400 464 0
FLAG 2640 512 0
FLAG 2288 496 0
FLAG 2960 464 0
FLAG 3200 512 0
FLAG 2848 496 0
FLAG 3504 464 0
FLAG 3744 512 0
FLAG 3392 496 0
FLAG 1488 -288 0
FLAG 608 -288 0
FLAG 160 -288 0
FLAG 1056 -208 0
FLAG 1168 -224 0
FLAG 880 -336 0
FLAG 1376 -240 0
FLAG 2192 -400 0
FLAG 1824 -416 0
FLAG 2000 -416 0
FLAG 1680 -416 0
FLAG 0 -240 0
FLAG 4048 464 0
FLAG 4288 512 0
FLAG 3936 496 0
TEXT -456 688 Left 2 !.tran 0.2
TEXT -488 776 Left 2 ;Futaba 6ch
TEXT 456 88 Left 2 ;C
TEXT 568 128 Left 2 ;R
TEXT 336 -48 Left 2 ;C & R determine the length of the pulse.\nWhen the oscilator drops voltage across C\nthe resistor R is responsible to charge C.
TEXT 600 600 Left 2 ;When the oscilator drops the voltage across C,\nthe capacitor drops the voltabe in the base of\ntransistor cutting it off. This raises the voltage\nin the collector of transistor charging capacitors\nconnected to it. After C charges enoughtly the\ntransistor enables again dropping the voltage on\nits collector, generating a negative voltage on\nthe other side of capacitors.