5
Parts list
Component designation
Component description
RESISTORS
R1
1kΩ, 0.25W
R2
470kΩ, 0.25W
R3
3.3kΩ, 0.25W
R4
0.5Ω, 0.5W
R5, R6, R7, R8, R9, R10, R11, R14, R17, R18
R19, R20
10kΩ, 0.25W
R12
330Ω, 0.25W
R15, R16
270kΩ, 0.25W
R21
1K, 0.1W (Potentiometer)
CAPACITORS
C5
2.2uF, 250V, Electrolytic
C2, C4, C6, C7
0.1uF, Ceramic
C3
2.2nF, Ceramic
C1
220uF, 25V, Electrolytic
TRANSISTORS