CHARACTERISTICS
Receiver
- Frequency Range (channel center frequency): 54 to 860 MHz
- Distortion-free Dynamic Range: >40 dB
- Sensitivity: <20 dBµV (-40 dBmV)
Display Modes
- Spectrum
- Constellation
- Adaptive Equalizer
Measurement Modes
- Signal Level
- Channel Power-to-Noise
- Adjacent Channel Level
- Modulation Error Ratio (MER)
- Error Vector Magnitude (EVM)
- Average Bit Error Rate (BER), Before R-S Decoding
- Estimated Average Bit Error Rate (BER), After R-S Decoding
- Estimated Noise Margin
- Symbol Rate
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Digital Modulation Analyzer
Features
- 64 and 256QAM Analysis
- Measurements Compliant with DVB (ETSI) Standard ETR290
- Troubleshooting Aided by Constellation, Spectrum, and Equalization Display Modes
- Most Measurements Require Two Keystrokes
- Pass/Fail Indication Reduces Training Requirements for Technicians New to Digital
Signal Measurements
- PC Card (PCMCIA) Slot for Easy Memory Expansion
- Small and Light Weight
- Easy-change Battery
Applications
- In-service Digital Channel
- Performance Verification
- Measurements at an Affordable Price
- Digital Channel Diagnostic Testing and Troubleshooting
- Analysis of ITU-T-J.83, Annex B 64 and 256QAM
In-Service Measurements of:
- Modulation Error Ratio (MER)
- Error Vector Magnitude (EVM)
- Estimated Noise Margin
- BER before Reed-Solomon (R-S) decoder
- Estimated BER after R-S decoder
System Availability Statistics:
- Errored seconds (number of seconds that include an errored block)
- Severely errored seconds (one-second periods with greater than specified number
of errored blocks)
- Severely disturbed periods (duration of sync loss)
- System unavailability time (time period containing at least 10 consecutive
severely errored seconds)
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