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Altera_Forum
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10 years ago

How to create sine and cos waves of different frequencies using Cyclone III(VHDL)

Hi, Is there anyone can help me to deal with one problem: How to create sine or cos waves in Cyclone III FPGA in VHDL. I have no clear idea to program the VHDL code although I have search some ...
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Altera_Forum
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10 years ago

CORDIC is suitable for generating the sin/cos of an angle.

You can generate sin(a + delta) from sin(a - delta) and sin(a) with a single multiply (and a shift).

The only slight problen is that the amplitude can drift.