I’ve had a busy few days. Since posting details of the reels of SMT SA602 and SA604 IC’s that a very generous ham sent to me with a request to distribute them to other homebrewers and building groups, I’ve been spending quite a lot of time cycling to and fro between my house, the local […]
It’s been on my mind to make this post for quite a while now. Some time back, a very generous ham in Oregon gave me a sizeable quantity of SA602 and SA604 SMT IC’s. They were part of a production run that didn’t materialize. He got a deal on them and has been hanging onto […]
I’m sure you’re familiar with Jeff Murray K1NSS. He’s the man behind Dashtoons, those ever-so-creative and mirth-inducing ham radio cartoons and funnies that appear on many a happy ham’s QSL card and in print, on websites – in fact, wherever a good clean piece of chuckle-creating ham radio artwork is needed. Jeff is well-known within […]
NOTE – Many thanks to Aaron N9SKN and Cliff WA9YXG, who pointed out errors in the schematics. They have been corrected. N9SKN, and several others, have built working Sprouties from the schematics in this post so rest assured that if you follow them, you can too. If you’re thinking about building this great little general […]
A couple of weeks ago, I was spending a very pleasant hour or so waiting in the front yard for the mail carrier to deliver some packages of vintage radio parts I had ordered a few days earlier. My neighbor’s cat Stephen was lounging around with me, and it was one of those perfect afternoons […]
I’ve been chatting with John N8RVE via e-mail for a while now. He built a little receiver that I dubbed “The Rugster” – it’s a direct conversion receiver consisting of a standard NE602 front end, with a “poor man’s varactor” (1N4001) to tune the bottom 50KHz of 40M. The AF stages and narrow filtering are […]
Dave Richards AA7EE 