[sdiy] Black Magic oscillator cans

[Theo]

Err, how should I interpret these percentages then, 
I thought that 100% error was a semitone.

Theo

----- Original Message ----- 
From: Ingo Debus <debus at cityweb.de>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Tuesday, July 22, 2003 2:19 PM
Subject: Re: [sdiy] Black Magic oscillator cans


> Tim Ressel wrote:
> > Ingo,
> > 
> > I ran the numbers on my trusty MICROSOFT spreadsheet
> > and got the following maximum errors:
> > 
> > 2.00024MHz:  +0.069%, -0.0689%
> > 2.00000MHz:  +0.057%, -0.0809%
> 
> Oooops! Ack! Stupid me!!!
> Before I wrote that last mail I just had a quick glance at an old 
> Elektor article desribing that TOS chip. They listed the relative 
> errors, and I didn't realise that this was already in percents. So the 
> listed value of 0.07 is really 0.07%, and not 7%, as I thought. 
> Thinking of it, 7% frequency error is more than a semitone %-)
> 
> Sorry for the confusion.
> 
> Ingo
> 
>