A ROM-Less Direct Digital Frequency Synthesizer Based on Hybrid Polynomial Approximation

Table 1

Optimal polynomial coefficient.

𝑛	𝑎𝑛,0	𝑎𝑛,1	𝑎𝑛,2	𝑎𝑛,3	𝑎𝑛,4
1	0.9970862
2	0.0011854	0.9894410	0.0330064	−0.2134780	0.0312845