Components and building details
|
Sample and Hold submodule
|
reference
|
value
|
quantity
|
U1
|
LM741/TL071
|
1
|
U2
|
TL074
|
1
|
Q1
|
BC547
|
1
|
Q5
|
BF245B
|
1
|
D1,D2,D3
|
1N4148
|
3
|
R1sh,R2sh
|
10
|
2
|
R10
|
100
|
1
|
R5,R6,R8,R15
|
1K
|
4
|
R7,R12
|
10K
|
2
|
R37
|
22K
|
1
|
R3,R9,R11,R13
|
100K
|
4
|
R4
|
120K
|
1
|
R14
|
2.2M
|
1
|
C4
|
1n (any value
between 1n and 10n will do)
|
1
|
C5*,C19,C20,C22
|
100n, *
polyester film, ceramic otherwise
|
4
|
C6
|
680n polyester
film |
1
|
C3
|
10µF/35V
electrolytic
|
1
|
C1sh,C2sh
|
22µF/35V
electrolytic |
2
|
P1
|
500K reverse
audio potentiometer (ALPHA)
|
1
|
P2
|
1M log
potentiometer
|
1
|
SW
|
SPDT switch
|
1
|
LED1
|
Yellow LED
|
1
|
Jk1,Jk5,k6
|
female jack
socket
|
3
|
|
Noise generator
sub-module |
reference
|
value
|
quantity
|
U3
|
TL074
|
1
|
Q2*,Q3,Q4
|
BC547,
*selected for maximum noise level and whitest
spectrum
|
3
|
R1n,R2n
|
10
|
2
|
R19
|
22
|
1
|
R32,R35,R36
|
1K
|
3
|
R25
|
3.9K
|
1
|
R26
|
8.2K
|
1
|
R18,R30
|
10K
|
2
|
R24
|
18K
|
1
|
R28,R29,R33
|
33K
|
3
|
R16
|
47K
|
1
|
R20
|
82K
|
1
|
R23
|
100K
|
1
|
R17
|
150K
|
1
|
R31
|
220K
|
1
|
R22
|
390K
|
1
|
R27,R34
|
470K
|
2
|
R21
|
1M
|
1
|
C13,C18
|
10p ceramic
|
2
|
C11
|
1n yellow LCC |
1
|
C10
|
3.3n yellow LCC
|
1
|
C9
|
47n yellow LCC
|
1
|
C21
|
100n ceramic
|
1
|
C16
|
150n yellow LCC
|
1
|
C14,C15
|
1µF yellow LCC
unpolarized
|
2
|
C12,C17
|
10µF/25V
electrolytic
|
2
|
C7,C8
|
47µF/25V
electrolytic |
2
|
Jk2,Jk3,Jk4
|
female jack
socket
|
3
|
|
Wiring
|
![](../../Commun/NOISE/NoiseSH-wiring.jpg)
|