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SN Voice

Categories
SynthDIY:Synthesizer
Features
Schematics | Instructions | PCB for sale | Kit for sale
PSU
+/-15v

The SN Voice is a cool little synthesizer module based on the SN76477 chip.

Images
SN-Voice Kit
SN-Voice Kit
Capacitors
Value Count Type LS Designators Note  
100p
2
Ceramic
 
C1 C2
 
470p
2
Ceramic
 
C3 C4
 
470p
1
Polyester/Mylar
 
C5
 
1n
2
Polyester/Mylar
 
C6 C7
 
10n
5
Polyester/Mylar
 
C8 C9 C10 C11 C12
 
22n
1
Polyester/Mylar
 
C13
 
47n
1
Polyester/Mylar
 
C14
 
220n
1
Polyester/Mylar
 
C15
 
470n
1
Polyester/Mylar
 
C16
 
4u7
3
Any type
 
C17 C18 C19
 
10u
3
Any type
 
C20 C21 C22
 
Resistors
Value Count Type Designators Note  
51
1
5%
R1
 
100
1
Trimpot
R2
 
390
1
5%
R3
 
470
1
5%
R4
 
1k
1
5%
R5
 
2k
1
5%
R6
 
2k
1
PTC
R7
+3500ppm/C
2k7
1
5%
R8
 
4k7
1
5%
R9
 
10k
8
5%
R10 R11 R12 R13 R14 R15 R16 R17
 
10k
1
Trimpot
R18
 
10k
1
Potmeter lin
R19
 
11k
1
5%
R20
 
12k
1
5%
R21
 
18k
1
5%
R22
 
27k
1
5%
R23
 
33k
1
5%
R24
 
47k
4
5%
R25 R26 R27 R28
 
50k
1
Trimpot
R29
 
56k
1
5%
R30
 
75k
1
5%
R31
 
82k
1
5%
R32
 
100k
10
5%
R33 R34 R35 R36 R37 R38 R39 R40 R41 R42 R64 R65
 
100k
6
Potmeter lin
R43 R44 R45 R46 R47 R48
 
110k
1
5%
R49
 
150k
1
5%
R50
 
220k
2
5%
R51 R52
 
1M
1
5%
R53
 
1M
4
Potmeter lin
R54 R55 R56 R57
 
1M
1
Trimpot
R58
 
1M5
2
5%
R59 R60
 
3M3
1
5%
R61
 
4M7
1
5%
R62
 
10M
1
5%
R63
 
IC sockets
Type Needed
DIL-8
DIL-8
5
Package_0006_DIL-16
DIL-16
1
DIL-28
DIL-28
1
 

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