Re: Dual sine wave generator with variable frequency and 90 degree phase difference

Fred Bartoli wrote:

Steve a écrit :

I'm looking for a waveform generator that outputs two sine waves of
the same frequency with 90 degree phase difference (sine and cosine).
I need a variable frequency between 0.05 Hz and 10 Hz. Is there an
analog design that uses a single potentiometer or perhaps is voltage
controlled ? Low distortion is not a requirement.

Steve

If you don't mind distortion, a Johnson ring counter plus an oscillator will do what you want.


Digital, NOT analog.
.

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