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N5161A/62A/81A/82A/83A MXG Signal Generators User's Guide

N5161A/62A/81A/82A/83A MXG Signal Generators User's Guide

N5161A/62A/81A/82A/83A MXG Signal Generators User's Guide

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Basic Digital Operation (Option 651/652/654)Clipping a WaveformCombining the I and Q WaveformsWhen the I and Q waveforms combine in the I/Q modulator to create an RF waveform, the magnitudeof the RF envelope is , where the squaring of I and Q always results in a positive value.As shown in the following figure, simultaneous positive and negative peaks in the I and Q waveformsdo not cancel each other, but combine to create an even greater peak.Agilent <strong>N5161A</strong>/<strong>62A</strong>/<strong>81A</strong>/<strong>82A</strong>/<strong>83A</strong> <strong>MXG</strong> <strong>Signal</strong> <strong>Generators</strong> User’s <strong>Guide</strong> 181

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