Freedom R8600 테스트 - 페이지 4
{카테고리_이름} Freedom R8600에 대한 테스트을 온라인으로 검색하거나 PDF를 다운로드하세요. Freedom R8600 4 페이지. Testing motorola p25 phase 2 radios
페이지 인쇄
Application Note
Receiver Test
The following tests are performed to verify the Phase 2 functionality of the receiver:
Digital Sensitivity (BER)
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Radio Setup
Setup Tuner Software
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"Performance Testing" > "Bit Error Rate"
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"Test Pattern" > "Phase 2 Digital – 1031 Hz Test Pattern"
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Record displayed Test Frequency
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R8000 Setup
Configure Generate Mode
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"Generate"
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Configure Modulation Type and Test Pattern
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"P25 II" Zone or "2" shortcut key
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"Modulation Type"
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If testing portable/mobile: "H-DQPSK"; if testing base station: "H-CPM"
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"Test Pattern" > "1031 Hz Tone"
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"Modulation Mode" > "Continuous"
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Configure R8000 generate frequency
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"RF zone" or "1" shortcut key
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"Generate Frequency" > Enter Tuner test frequency > "Enter"
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Configure R8000 output level
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"Output Level" > "-100 dBm"
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Begin Test
Verify RF cable present from Radio to R8000
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In Tuner, select "Start/Stop" to start reporting BER
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At -100 dBm, the BER should read "0.0000%"
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Decrease R8000 output power in 1dB increments until BER reads above 5%
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Increase R8000 output power in 0.1dB increments until the BER is below 5%
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Record output power as Digital Sensitivity of the radio. (should be < -116 dBm)
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Testing Motorola P25 Phase 2 Radios Using the Freedom Communications System Analyzers
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