[sdiy] Question 2 - simple VCOs

[Rafael Cohen]

Hi,

I am getting excited about portable audio (mainly planning for Burning Man)
and I have been starting to make a series of handheld modules powered on
9V.  I have made one that is powered on +/- 9V but it was hard to fit into
the enclosure, so I am curious if anyone knows of any nice oscillators that
can run on +9V or +5V

I have made some 40106/74C14 schmitt trigger oscilators and they are fun,
but I am wondering if there is more out there.  My impression is that 555
oscillators are about the same as those.  Anything opther than square waves?

Thanks,

Rafael
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