Pa Output Level Calibration - Alcatel MDR-8000 User Manual

PA OUTPUT LEVEL CALIBRATION

5.23
See Figure 5 - 28 and follow procedure to check, and if necessary, adjust the UD-51( ) Power
Amplifier (PA) output in radio configuration that is equipped with the optional PA.
This is an out-of-service procedure when on a nonstandby
(unprotected) system. On a hot-standby or frequency diversity
system, switch traffic on the channel under test to protect.
PWR ALM ADJ
POWER AMPLIFIER
* As an alternative procedure, replace high power sensor with
a medium power sensor and install in-line 30 dB attenuator.
Attenuator must be properly calibrated for 30 dB.
Figure 5 - 28 PA Output Level Calibration (Sheet 1 of 5)
CAUTION
Possibility of
Interruption
DC MON
GND
PWR ALM
TEMP ALM
DC MON ADJ
10.5V DC
If ATPC is enabled, disable (XMTR will
go to high power).
RF
MON
RF
IN
RF OUT
30 DB
PAD*
Service
a
Disconnect SMA connector from
connector.
RF OUT
Connect power meter with high
b
power sensor to
RF OUT
Note
HIGH
POWER
SENSOR*
connector.
POWER
METER
MDR-1067
10/11/05
5-67