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Re: BITX40 - frequency spectrum - Raduino irradiation - intermodulation products - #bitx40help


Gordon Gibby
 

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I looked at the photo of how to make the mod, inject the new clock --- looks pretty simple.? ??

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I have more on my plate than I can deal with right now----but that looks like a keeper of a mod to do on one of my units!!!!


plus, if you simply measure the frequency of the Radiono crystal ( by using a sketch that puts out 25MHz and finding the signal on an accurate receiver or frequency counter) --- adjusting the code now in one place would make the entire system frequeny calibrated.? ?



73, gordon



From: [email protected] <[email protected]> on behalf of Frank DC8FG <fgsom@...>
Sent: Sunday, December 17, 2017 7:20 AM
To: [email protected]
Subject: Re: [BITX20] BITX40 - frequency spectrum - Raduino irradiation - intermodulation products - #bitx40help
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I changed to Allards this morning - looks pretty good :-)

My solution with the 2,5k variable resistor is no longer required.

73, Frank

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