logarithmic F to V, tuning ref

[Mark Pulver]

>     I've built a crystal-based A-440 reference that runs off of a single 
>     +5 volt supply. It consists of an oscillator module with a frequency 
>     of 10.1376 MHz, followed by a divide-by-10 counter, followed by a 
>     divide-by-9 counter, followed by a divide-by-256 counter.

Nice math there Gene'r!
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 Mark Pulver - http://shoga.wwa.com/~mpulver    The "Son of The MIDI Wall"
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