[sdiy] cheap sine wave osc

[Scott Gravenhorst]

"John Luciani" <jluciani at gmail.com> wrote:
>On 8/14/07, Derek Holzer <derek at umatic.nl> wrote:
>> Hi all,
>>
>> I'm planning a small light-activated installation, based a bit on the
>> Russian ANS synthesizer, and I'm wondering what the easiest, cheapest
>> sine wave oscillator I could construct would be. It will not be voltage
>> controlled, in fact the frequency of each of the oscillators will be
>> fixed, with tones produced by additive synthesis and the gain controlled
>> by photopotentiometers. Any suggestions for a chip/circuit that I could
>> easily make 64 or more of?
>
>
>You may want to look at doing your additive synthesis with square waves.
>64 square wave oscillators would be very inexpensive. The octaves would
>be essentially free.

Oh yes, Walsh functions!



-- ScottG

-------------------------------------------------------------

-- Scott Gravenhorst
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