July 16, 2004 6881094C28-D
6-12 Radio Alignment Procedures: Bit Error Rate
Figure 6-9. Front End Filter Alignment Screen
6.10 Bit Error Rate
This section describes the Bit Error Rate (BER) test of the radio’s receiver at a desired frequency
(see Figure 6-10 on page 6-13).
6.10.1 Bit Error Rate Fields
Set up the R2670 Communication Analyzer as follows:
1. Connect the RF Input port of the radio under test to the RF IN/OUT port of the R2670 Service
Monitor.
2. Set up the R2670 Service Monitor:
- In the Display Zone, select PROJ 25 STD mode and set the meter to RF DISPLAY.
- In the RF Zone, configure the analyzer as follows:
- In the Audio Zone, select the 1011 Hz PAT code and set the deviation to “PROJ25Dev:
2.83 kHz ~”.
RF Control: Generate
Preset: B/W: NB
Freq: Test frequency (Ex: 851.0625 MHz)
Output Level: -50.0 dBm
Gen RF Out: RF I/O
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