118 Chapter 3
Basic Digital Operation
Using Waveform Clipping
Figure 3-10 Multiple Channel Summing
The I and Q waveforms combine in the I/Q modulator to create an RF waveform. The magnitude of
the RF envelope is determined by the equation , where the squaring of I and Q always results
in a positive value.
As shown in Figure 3-11, simultaneous positive and negative peaks in the I and Q waveforms do not
cancel each other, but combine to create an even greater peak.
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