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Altera_Forum
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10 years ago

Computing Argument of a Complex Number

Hi, I have a complex input, both I & Q are 16 bit wide signed integers, and I want to compute its argument. I have read several solutions, CORDIC, LUT based ATAN, and Altera ATAN function. The...
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Altera_Forum
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10 years ago

Puts are always the quickest. The values can either be loaded from a file or computed in the hdl itself. It will have the lowest latency too. But depending on the accuracy requirements it can eat a lot of ram. Fixed point will always be better than floating because of its integer based arithmatic.