7
Construction
C4 : 47µF
14. Electrolytic Capacitor
.
Watch the polarity !
C...
SW1
9. Slide switch.
E1
10. Battery holder
T1 : BC547C
T2 : BC547C
T3 :
BC557C
11. Transistors
R1 : 20K
(2 - 0 - 0 - 2 - 1)
R2 : 20K
(2 - 0 - 0 - 2 - 1)
R4 : 20K
(2 - 0 - 0 - 2 - 1)
R5 : 20K
(2 - 0 - 0 - 2 - 1)
R6 : 20K
(2 - 0 - 0 - 2 - 1)
R7 : 20K
(2 - 0 - 0 - 2 - 1)
R8 : 20K
(2 - 0 - 0 - 2 - 1)
R9 : 10K
(1 - 0 - 0 - 2 - 1)
R10 : 10K
(1 - 0 - 0 - 2 - 1)
R11 : 10K
(1 - 0 - 0 - 2 - 1)
R12 : 10K
(1 - 0 - 0 - 2 - 1)
R13 : 10K
(1 - 0 - 0 - 2 - 1)
R15 : 10K
(1 - 0 - 0 - 2 - 1)
12. Vertical metal film resistors
R...
R16 : 1K5 (1 - 5 - 2 - B)
R18 : 1K5 (1 - 5 - 2 - B)
13. Vertical resistors
R...
X1 : 20MHz
15. crystal
X...
Max. 8mm