0 web interface – Alpha Technologies DSM3 for XM3 - Technical Manual User Manual

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745-814-B11-001, Rev. C (03/2014)

4.11.2 QAM Constellation Common Impairments, continued

4.0 Web Interface

Fig. 4-22, Corners Squeezed to Center (Gain Compression) and Entire Constellation Shape

Fig. 4-23, Circular Smear (Phase Noise) and Entire Constellation Shape

Entire QAM constellation

Entire QAM constellation

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