ODP: Bill's Bits
Paul Perry
pfperry at melbpc.org.au
Sat Oct 31 01:02:29 CET 1998
At 03:08 PM 30/10/98 +0100, Roman Sowa wrote:
>I have this silly idea of using DSP as a VCO. Here's how:
>
>ADC (or maybe few ADCs) is the voltage input.
>DSP runs few phase-accumulating DCOs with lookup tables
>and, say 16 DACs produce nice waves
>although one stereo 16-bit S-D DAC would be the simplest
>and cheappest way for clean waveforms
>And DSPs start from $9! (at least for me)
......have a think abt the problems when you try to sweep
the frequency......alias city......
It is REALLY HARD to get a sine wave from a DSP!
paul perry melbounre australia
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