I want to generate a phase modulation signal with phase change from +60 degree to -60 degrees. Can I use ad9959 to generate this signal? Thanks
Yes, the DDS is perfect for this application. There's two ways. First, you can switch directly from +60degrees to -60degrees with no phase points in between. Else, you can linearly sweep phase between the end points (-60 to +60) per the linear sweep function. For direct mode or sweep mode, the profile pin is used to initiate the transistion. The profile pin must be setup to the SYNC_CLK.
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