106 Chapter 5
Direct Digital Synthesis Option 330
Direct Digital Synthesis
Figure 5-4 DDS Sequence Input Window
Notice the question marks in the Frequency Slope box. This is occurs when
the combination of the loop count, the initial frequency, and the end
frequency cannot be calculated correctly. If you select OK, a message
window comes up.
Figure 5-5 Message Dialog
For this example, selecting OK resulted in values shown in Figure 5-6.
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