[sdiy] Tap Tempo LFO

[Antti Huovilainen]

On Tue, 8 Dec 2009, Eric Brombaugh wrote:

> Using a general-purpose MCU to create a clock for a BBD is probably out 
> of the question for most garden-variety processors. While a lot of them 
> have divider-based timing generators built-in, the high-frequency 
> resolution is probably not adequate to support decent timing & frequency 
> control at the rates needed to clock a BBD.

Here I disagree. A simple VCO is not that hard to do if you stick to V/Hz 
and disregard linearity. A PLL would also be dead simple to do, too.

With the VCO you need to build a calibration table and/or adjust the 
frequency on the fly, but that's hardly rocket science.

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova