User manual

tams elektronik
English WBA-1 | WBA-2 | WBA-3
WBA-1: PCB layout and parts list
Resistors R1, R4 4,7 kΩ
R2, R3 330 kΩ
Diodes D2 1N4148
Electrolytic
capacitors
C1, C2, C3 2,2 µF
Transitors T1, T2 BC547B
PCB sockets LED1-
LED2-
LED+
12V
GND
WBA-3: PCB layout and parts list
Resistors R1, R4 2,2 kΩ
R2, R3 470 kΩ
Trimm-pot R7 500 kΩ
Diodes D1 1N400x,
x=2...7
Electrolytic
capacitors
C1, C2, C3 2,2 µF
Transitors Q1, Q2 BC547B
PCB sockets LED1-
LED2-
LED+
V+/~
GND
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