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Discussion about the Korg PolySix synthesizer

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Re: [PolySix] tuning instability?

2016-06-29 by Florian Anwander

Hi Malte

On 28.06.16 23:59 , Malte Rogacki gacki@gacki.sax.de [PolySix] wrote:
Is it normal that there is a huge AC signal on the
> PW/PWM test point when PW is set to zero? It works quite well for non-zero
> amounts but when going to zero there is a sine wave with 1.275MHz and
> roughly 500mV peak-to-peak. This of course must somehow influence the PW.
This is not normal, but it might be caused by getting the ground for the 
scope from a wrong / too far away point.

Florian

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