Digital sinewave reference generator
Design Tip
Published in issue 351, February 2006
A low-cost microcontroller drives a D/A converter, whose output signal is filtered using a bandpass in order to suppress alias frequencies. This setup guarantees an output signal that’s spectrally pure as well as stable in respect of amplitude and frequency — everything you would like to have for spot-frequency measurements.
050353-11.zip
Free download
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