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Constellation Analyzer
Applications
- Troubleshooting, fine-tuning and preventive
maintenance
- Identifies digital radio impairments
- Analyzes magnitude of distortions
Measurements
- Constellations: Amplitude, closure, lock- and
quad-angle errors, non-linear distortion (rms, am-am, am-pm)
- Modulation Schemes: QPSK, 16QAM, 64QAM, 256QAM, 9QPR,
25QPR, 49QPR & 81QPR.
Monitor Points
- I and Q Signals: Any of the above schemes with signal
levels in the range 30 to 400 mV p-p across the constellation.
- Clock: 1 MHz to 80 MHz (100 mV to 1 V p-p)
- Impedance Level: 75 ohms
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