Re: Downloading hex code from raduino

Allard PE1NWL All Messages By This Member #25871 Hi Cor, as from v1.04, 100x oversampling is implemented in order to increase the resolution by a factor 10. So we can read 10240 analog levels. This allows for smooth and precise tuning over a wide range. See the function knob_position() at lines 873-885. We use the increased resolution even when a 1-turn pot is installed. So that the code is universal for any pot type. Try it - it works! 73, Allard PE1NWL toggle quoted message Show quoted text On Sun, April 30, 2017 23:03, Cor Beijersbergen wrote: The resolution of the A/D convertor is 10 bits, that means it can read 1024 different analog levels. This remains the same whether a 1-turn pot or a 10-turn pot is being used. Having a 200kHz tuning range gives you roughly a 200Hz resolution. To my taste that is too course for a good sound quality. Cor PA4Q -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Allard PE1NWL Sent: zondag 30 april 2017 22:13 To: [email protected] Subject: Re: [BITX20] Downloading hex code from raduino The code is universal for a 1-turn or a multi-turn pot. In the SETTINGS menu you can set the tuning range. Default is 50 kHz for a 1-turn pot. For a 10-turn pot, 200kHz is recommended. But you can use any other value you like between 10 and 520 kHz. See also the user instructions at 73, Allard PE1NWL

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