[sdiy] Voltage + Frequency calibration in common modular systems question.

[Andre Majorel]

On 2007-05-07 06:11 -0700, Jim Patchell wrote:
> Chris K wrote:
> >Hi, right now I'm looking to calibrate a CEM3340 I'm working with on 
> >breadboards but I'm wondering how others have their oscillators 
> >callibrated as far as reference frequency to say 1v.
> >
> >I'm calibrating it to a 1v/oct setup but I'm curious about a common 
> >reference frequency.
> >
> >What reference frequency do Moog / MOTM / Synthesizers.com / Blacet / 
> >Doepfer use, say without any input voltage offset / input signal 
> >attenuation?
>
> I calibrate my oscillators so that 0 volts = C0 (or, to answer your 
> question...1 volt = C1).....

If you have a 440 Hz reference and a 5 V reference, you can use 5 V
= 440 Hz. That way the 0~10 V range covers 13.75~14080 Hz
instead of 16.35~16744 Hz with the 0 V = C0 system. I don't know
of anybody who does that, though.

-- 
André Majorel <URL:http://www.teaser.fr/~amajorel/>
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