Velleman projects K1823 Assembly instructions - Manual (Page 5)

5
R1 : 120 (1 - 2 - 1 - B)
2. Resistor
R...
Construction
D1 : 1N4007
D2 : 1N4007
D3 : 1N4007
D4 : 1N4007
1. Diodes. Watch the polarity !
D...
CATHODE
RV1 : 4K7
3. Trim potentiometer
SK1
SK2
5. Terminal blocks
C1 : 0,1µF, 100nF (104)
4. Capacitors.
c...
VR1 : LM317
It has not to be cooled if used for
small powers.
7. Voltage regulator
IC
C2 : 1µF
C3 : 10µF
6. Electrolytic Capacitor.
Watch the polarity !
C...
C4 : 2200µF
8. Electrolytic Capacitor.
Watch the polarity !
C...