Re: Exact tuning calculations


Alberto I2PHD
 

On 2020-09-27 2:16, jdow wrote:
Have you seen "A New Recursive Quadrature Oscillator" by Martin Vicanek? This seems to be more stable than most. It is also simple and quick.

In some of my SDR projects I use this software oscillator as NCO.


G(n) is a AGC parameter, which I introduced after observing that after about twenty minutes of running the amplitude was slowly decreasing, due to floating point rounding.
It is computed as :




--
73 Alberto I2PHD
<<< http://www.weaksignals.com >>>


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