Tait TB8100 Service Manual page 159

Table 8.2 Test point voltages on the 6W board
Test
Point Pin Pin Name
SK101 1 & 4 GND
2 & 3 +28V-FILT1
SK102 1 POWER-CONTROL-CONT
2 RF detect
3 PA-KEY-COAX
4 driver temperature
SK103 1 standby
2 driver current
3 DRIVER-BIAS-CONT
4 +10V-SWITCHED-CONT
TP101 DRIVER-BIAS-CONT
TP206 PIN-BIAS
TB8100 Service Manual
© Tait Electronics Limited September 2006
Voltage Notes
ground
26V to 30V filtered supply
<0.5V analogue voltage
<0.8V RF drive present, +11dBm
>4.0V logic level
digital digital signal, 0V and 5V
<0.5V logic level
current = measured voltage ÷ 2
<0.05V
<0.05V typical analogue voltage
0.05V 10V regulated supply to 6W board
2.9V to 3.4V
2V to 2.5V
Power Amplifier Fault Finding 159