Freedom R8600 Pengujian - Halaman 4
Jelajahi secara online atau unduh pdf Pengujian untuk Alat Ukur Freedom R8600. Freedom R8600 4 halaman. Testing motorola p25 phase 2 radios
Halaman Cetak
Application Note
Receiver Test
The following tests are performed to verify the Phase 2 functionality of the receiver:
Digital Sensitivity (BER)
•
Radio Setup
Setup Tuner Software
•
"Performance Testing" > "Bit Error Rate"
o
"Test Pattern" > "Phase 2 Digital – 1031 Hz Test Pattern"
o
Record displayed Test Frequency
o
R8000 Setup
Configure Generate Mode
•
"Generate"
o
Configure Modulation Type and Test Pattern
•
"P25 II" Zone or "2" shortcut key
o
"Modulation Type"
o
If testing portable/mobile: "H-DQPSK"; if testing base station: "H-CPM"
o
"Test Pattern" > "1031 Hz Tone"
o
"Modulation Mode" > "Continuous"
o
Configure R8000 generate frequency
•
"RF zone" or "1" shortcut key
o
"Generate Frequency" > Enter Tuner test frequency > "Enter"
o
Configure R8000 output level
•
"Output Level" > "-100 dBm"
o
Begin Test
Verify RF cable present from Radio to R8000
•
In Tuner, select "Start/Stop" to start reporting BER
•
At -100 dBm, the BER should read "0.0000%"
•
Decrease R8000 output power in 1dB increments until BER reads above 5%
•
Increase R8000 output power in 0.1dB increments until the BER is below 5%
•
Record output power as Digital Sensitivity of the radio. (should be < -116 dBm)
•
Testing Motorola P25 Phase 2 Radios Using the Freedom Communications System Analyzers
4