reference
|
value
|
number
|
U1,U2
|
MAXIM DG412
|
2
|
U3
|
CD4520
|
1
|
U4
|
CD4051
|
1
|
Q1,Q2,Q3,Q4
|
BC547C
|
4
|
D1 to D29 (D30
to 31, no D
for the 8 steps version)
|
1N4148
|
29 (30)
|
R1,R2
|
10 ohm
|
2
|
R7
|
220 ohm
|
1
|
R12
|
1K
|
1
|
R24,R25,R26,R27,R28,R29
(plus
two for the 8 steps version)
|
1.2K
|
6 (8)
|
R13
|
4.7K
|
1
|
R15,R18,R19,R20,R21,R23,R22
|
10K
|
7
|
R5,R6,R10,R14,R17
|
22K
|
5
|
R3,R8 |
1M
|
2
|
R4 |
1.2M
|
1
|
C4 |
10nF |
1
|
C3,C5,C6,C7,C8,C9,C10 |
100nF |
8
|
C1,C2 |
10µF or
22µF/35V electro. |
2
|
LD1,LD2,LD3,LD4,LD5,LD6
(LD7,
LD8)
|
yellow LED
|
6 (8)
|
SW7,SW8
|
push-button
switch (push
to make)
|
2
|
SW1
|
rotary switch 9
pos |
1
|
SW2,SW3,SW4,SW5,SW6
(plus
two for the 8 steps version)
|
rotary switch
10 pos
|
5 (7)
|
Jk1,Jk2,Jk3,Jk4,Jk5,Jk6,Jk7
|
6,5 mm jack
socket
|
7
|
|