Hi Mike!
One of my frequency counter is working again: The exact frequency is 2878 Hz.
Ciao
Peter
http://come.to/synpro________________________________________
Von:
korgpolyex@yahoogroups.com [
korgpolyex@yahoogroups.com] im Auftrag von korgpolyex800 [
korgpolyex800@...]
Gesendet: Donnerstag, 13. August 2009 18:35
An:
korgpolyex@yahoogroups.comBetreff: [korgpolyex] Re: HAWK-800 - update
Thanks for that. I really appreciate it.
2.9Khz is within the spec noted in the Poly documentation. But I wonder what everybody else has for a EG clock rate?
Mike.
--- In korgpolyex@yahoogroups.com, Ullrich Peter <peter.ullrich@...> wrote:
>
> Hi Mike!
>
> >I have another favor to ask of people. If any of you have a frequency counter I would like to know
> >what the frequency of the RES7.5 clock is on your Poly. You can measure the signal at IC36 pin 7.
> >This is the clock that determines the rate of the envelope generators.
> >The circuit description documentation says that this clock can be anywhere from 2,400 to 3,600 hz.
> >Now that is a huge variation. If the variation is that big then alot of Poly 800 envelope generators are
> >going to have faster or slower envelopes. Since I'm trying to implement velocity sensitivity, I really
> >need to know what the clock is more likely to be. I know most of you don't have frequency counters
> >but even a reading from a CRO would be enough.
> >Any and all help is much appreciated.
>
> I opened my Poly800 Mk I and measured the frequency on Pin 7 of IC36 (TL072).
>
> As both of my frequency counter are defect at the moment I had to measure the frequency with my DSOs built in
> measurement routines: It is 2,94kHz
> I crosschecked with the period time and its OK.
>
> Ciao
> Peter
>
> http://come.to/synpro
>
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