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Questions regarding AD9102 Trigger signal

Customer questions regarding the AD9102 trigger

The customer likes the TRIGGER signal as a means of stopping and starting DAC output.


1) If he use the DDS circuitry exclusively to feed the DAC, is it possible to use the TRIGGER signal as a means of starting and stopping the output from the DAC? Does he need to load the SRAM with 1s to do this?

2) If the TRIGGER can't be used this way, how does he control the start of DDS output from the DAC? The start of the DDS waveform needs to be sync'd with an external reference in my application.

3) How does the DDS_PHASE value get combined with the tuning word to allow control of phase? What is the range of allowed phase shifts?

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