[sdiy] F2V with PIC or AVR?

[David G. Dixon]

> If you wanted to look at analog hardware, take a peek at the 
> external signal processing section of the Korg MS-20. I think 
> Harry Bissell has a F-to-V circuit too, IIRC.

The Bissell circuit is very elegant.  It is based on a two-bit counter, and
only requires two clock cycles to sample the frequency.  I have plans to
include this basic building block in a pile of different circuits (when I
get the time).