Here's quick update to post the schematic of the code practice oscillator that I mentioned previously. As you can see, I just paired a twin-T sine wave oscillator with a buffer amp that feeds directly into headphones. The twin-T provides plenty of voltage, so the buffer is all we need to provide enough current to [...]
In one of his recent blog posts, Dan KB6NU, asks why ham radio has no presence at the Maker Faire. You may have heard of Make Magazine from Bill at SolderSmoke or other places on the web. Dan writes: About a week ago, I got an e-mail from a ham down in Texas who had [...]
I know that the blog updates have been a bit light over the last week or so. Although we have been in our new house for three weeks now, it seems like the chores just keep piling up. However, I have done a little bit of work in the homebrewing department. Inspired by messages from [...]
A few quick updates to the avs3a software that I've writting for the Avnet Spartan-3A Eval Kit (as mentioned in a previous post). First, many thanks to George Gallant from the Avnet Spartan-3A Eval Kit mailing list for rewriting the code to fix the horrible configuration time, as well as for the many error checking [...]
A blog that I follow on a regular basis is from Aussie ham Peter Marks, VK2TPM. He posts from the perspective of an experienced ham who is really starting to get bitten by the homebrewing bug, so it's a real pleasure to see him discover some of the things which make that aspect of the [...]
No, you got your ham shack in my Linux! I've been grumbling to myself about the lack of active ham radio podcasts (sorry but the usual generic ham radio news shows don't count as podcasts in my book). Lo and behold, I see that KB5JBV and K5TUX have just launched a new podcast, Linux in [...]
