User's Manual Part 1

2-25
Figure 2-15 UD-51( ) Power Amplifier Controls, Indicators, Test Points, and Connectors
MW211-0038-1-sm
04/29/03
DC MON
GND
10.5V DC
PWR ALM
TEMP ALM
DC MON ADJ
PWR ALM ADJ
POWER AMPLIFIER
RF
IN
RF
MON
FACTORY ADJUST ONLY
MONITOR POINT TO MEASURE DC VOLTAGE
REPRESENTATIVE OF OUPUT POWER
(0.1V DC PER DB OF RF OUTPUT SIGNAL FOR
NOMINAL POWER ONLY)
RED LED INDICATES RF PWR IS ABOVE OR BE-
LOW ALARM THRESHOLD SET BY PWR ALM ADJ.
YELLOW LED INDICATES HIGH TEMP ON PA
(MAY BE CAUSED BY IMPROPER MOUNTING
TO HEATSINK).
ALLOWS USER TO ADJUST VOLTAGE AT DC MON
TEST POINT (0.1V DC PER DB OF RF OUTPUT
SIGNAL IS TYPICAL)
MONITOR POINT TO MEASURE 10.5V DC INPUT
MONITOR POINT TO MEASURE/CALIBRATE RF
OUTPUT SIGNAL AT TOP OF STACK
(SMA, FEMALE) (APPROX. 30 DB DOWN FROM
RF OUTPUT)
RF INPUT CABLE (SMA MALE)