57
Motorola Confdential Proprietary
Test Procedures
CDMA T720
CDMA Transmitter Tests
CDMA CELLULAR MOBILE TRANSMITTERTEST
deg
Meas Cntl
Single / Cont
Arm
Disarm
Traffic
Data Mode
Svc Opt 2
Data Rate
Full
Sctr A Pwr
To S creen
CDMA
CALL CNTL
Analog
RX TEST
Config
PRNT CNFG
6.6
-100.0
dBm / BW
0.980
-97.1 23.28
Traffic Rho
Freq Error Hz
Phs Error
Avg Power dBm
Power Meas
Zero
RF P ower
-100.00
dBm/BW
To make Concurrent RX and
TX Measurements:
•Restart FER with Confidence Limits
Off
•Go to the TX Test Screen
•Switch to Continuous Measurements
Read Average Power
•Check Max Power
•Check Open Loop Power Control
Read Rho Measurements
•Waveform Quality
•Frequency Error
•Amplitude & Phase Error
Simultaneous and transmitter tests is another
feature of the HP 8924C. Simultaneous measure-
ments results in much reduced test time. To
make simultaneous receiver sensitivity and
transmitter measurements:
1.Go to the TX test screen. (Press TX Test under
the CDMA screens area.)
2.Make sure that the Meas Cntl is in Continuous
mode. The HP 8924C will now make TX
measurements.
3.Now select several measurement field and
change the measurement types. Note: TM Rho
(Test Mode Rho) only works with phones that
have Test Mode functionality.
Now switch back to the RX Test screen. Notice
that the FER test continued to run while you
were making TX measurements.
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