Category Archives: Si5351

Si5351 VFO sketches

Posted on 2 April, 2018 by Thomas S. Knutsen

Back when Etherkit did come out with its Si5351 boards, I wrote some sketches to use these as VFO’s.  These sketches have been floating around the internet, without being collected at a single place, so thats going to change, in … Continue reading →

Posted in Si5351, Uncategorized | 16 Comments

Si5351B FM modulation

Posted on 24 March, 2018 by Thomas S. Knutsen

The Si5351B have an interesting feature in that it can be FM modulated via the VCXO pin. After some discussions with Jason NT7S about the VCXO feature in his last revisions of the Si5351 library we decided I had to … Continue reading →

Posted in NT7S, Si5351 | Leave a comment

Si5351 Spurius preformance

Posted on 31 December, 2016 by Thomas S. Knutsen

As some of you know, I have done a lot of work with the Si5351 series of synthesizers. In a couple of blog post, I will try to document some of the more subtile details of operation of this chip. … Continue reading →

Posted in Phase Noise, Si5351 | 1 Comment