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
Message
Re: [PolySix] tuning instability?
2016-06-29 by Florian Anwander