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Re: In a moment of clarity...

1999-11-02 by The Old Crow

On Mon, 1 Nov 1999 JWBarlow@... wrote:

> I admit this isn't the kind of thing I've been thinking about, but it does 
> sound interesting! I also liked your idea about the PPL based module, but I 
> too have heard that there are certain problems when the input frequency 
> changes, so I'll be interested to see how this develops (and yes, I might 
> even run audio through it if Paul isn't looking). And as I said, I REALLY 
> liked your idea of the programmable pulse pattern sequencer (?).

  The "ratio divider, type 1" *is* meant for frequencies >50Hz.  Handling
sequencer clocks is a different matter and will have its own uC-based
multiplier/divider system as opposed to an analog PLL.  I decided that
rather than get "okay" performance out of one all-around ratio module, I
would create two different modules, each one tailored to process its range
of rates/frequencies.  The audio frequency ratio divider (aka "type 1") is
the easier of the two to design, thus it comes first of the two.

  --Crow

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