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Hello kaz!
Thank you for your answer. Basically my design example is convincing me too now, but I was just thinking if there are other ways in order to implement my dual tone, maybe I could even save a signal on the DDR3 memory, and replay it over the HSMC connector? Or other ways?
Are there somewhere other design examples?
Best regards,
Giovanni.
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Yes the simplest way is to have a precomputed fixed vector stored in fpga rom then read it out. You can then vary the read rate to get various values of your dual tone. In effect an LUT. You can also vary your scaling. But be careful about phase continuity at end of your vector with its start.
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