[sdiy] frequency counter

[Magnus Danielson]

From: mark verbos <mverbos at earthlink.net>
Subject: Re: [sdiy] frequency counter
Date: Sat, 26 Jun 2004 21:22:36 -0400
Message-ID: <40DE215C.3000700 at earthlink.net>

> Ian Fritz wrote:
> 
> >
> > Sure.  When I set up a patch for recording I just zero-beat the VCOs 
> > in against my xtal-derived A440.  And since I have carefully taken out 
> > all the drift in my VCOs I never have to touch the tuning again 
> > (although I can't help checking once in a while, anyway).
> 
> What crystal frequency did you use to get an A440?

I was thinking the same thing.

> I have been tinking about this over the last week and haven't seen any that
> seemed right for it.

However, I came to realize that 11 MHz isn't that unusual. Just divide by
25000 and you are home free!

Cheers,
Magnus