Alpha Technologies XP-EDH4 - Technical Manual User Manual

Page 62

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745-419-B0-001 Rev. A (11/2013)

Fig. 3-21, Sample QAM Constellation—"Doughnuts" (Coherent Interference)

Fig. 3-22, Sample QAM Constellation—Gaussian Noise

3.0

Configuration and Operation, continued

3.9.20 Interpreting QAM Constellation Data by Visual Inspection, continued

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