Re: Dual sine wave generator with variable frequency and 90 degree phase difference
- From: Leon <leon355@xxxxxxxxxxxxxx>
- Date: Wed, 3 Sep 2008 11:46:11 -0700 (PDT)
On 3 Sep, 14:42, Steve <st...@xxxxxxxxxx> wrote:
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
I've used a software DDS running on an MCU with a DAC for that sort of
thing. It's much easer to design and build than any analogue circuit.
Leon
.
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