Alcatel MDR-8000 User Manual page 219

DC MON
GND
PWR ALM
TEMP ALM
DC MONITOR CALIBRATION
READ [X.X Vdc]
DC MON ADJ
FOR [XX.X dBm]
PWR ALM ADJ
10.5V DC
POWER AMPLIFIER
RF
IN
Figure 5-28 PA Output Level Calibration (Sheet 5 of 5)
+
DVM
Connect DVM to
s DC MON (+)
Using DC MON ADJ
t
voltage on DVM equaling expected level at top of
stack multiplied by 0.1.
EXAMPLE:
EXPECTED LEVEL AT TOP OF STACK = 29 dBm
29 dBm X 0.1 (VOLTS DC/dBm) = 2.9 VOLTS DC
Create new label:
u
DC MONITOR CALIBRATION
EXPECTED OUTPUT LEVEL
AT TOP OF STACK
REFER TO EXAMPLE ABOVE.
Attach new label over the top of
v
test point and
GND
on PA front panel, adjust for
MEASURED LEVEL
READ [X.X Vdc]
(STEP b).
FOR [XX.X dBm]
DC MON ADJ.
.
MDR-1071
09/08/05
5-71