Since the previous Si5351 Investigations post, I’ve made quite a bit of progress integrating the Si5351 into a grabber receiver. First, let’s look at the grabber receiver architecture and how the Si5351 is used in it. Above you can see the basic block diagram of the receiver. The front end has two switchable plug-in bandpass… Read More Si5351A Investigations Part 3
Yes, a belated Happy New Year greetings! It’s hard to believe that 2013 is already well under way. I figured it was about time to give you a quick update on what’s going on in the shack right now. First up is the discrete component grabber receiver for 14.141 MHz that I prototyped to be… Read More HNY
Hello Dear Readers, Sorry for the thin content on the blog once again. In the insufficient free time I have, I’ve been swamped with trying to keep OpenBeacon in stock and development of new products going. I’ve got a couple of questions for you, if you don’t mind chiming in. First, I tried asking a question… Read More A Few Questions
The year is not starting out as well as I had hoped. Back during the beta test of the CC-20 I had set a goal to complete my revisions and be ready to sell production kits by 1 January 2012. Obviously that date has come and gone and I’m still not on the market. A… Read More Catching Up With Etherkit
I use Google Reader to keep track off many of the websites and blogs that I’m interested in, especially the ham radio and QRP blogs. I’ve noticed that QRSS seems to be popping up quite a bit in the QRP zeitgeist lately. I suspect that Bill at SolderSmoke has been the catalyst for much of this.… Read More QRSS All the Rage