Tag Archives: Radio

Not a tube project, version 1.1

This is just a brief update to last week’s post about the 3 band VFO sketch for the Si5351 breakout board and Arduino. Software never stands still…. Working with Joel Caulkins, KB6QVI, who generously expressed an interest in the sketch … Continue reading

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Definitely not a tube project.

Lately I have been having lots of fun working on a variety of different bench projects, all involving very different technologies, switching between them as parts arrive and time allows. I have been experimenting with space charge tubes, with the … Continue reading

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Is there a pentode in the house?

I’ve had a little ham radio down time, as this relentless winter rewarded me with a late winter virus that laid me low for a few days. But, back on my feet and at the bench again, with some new … Continue reading

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Rosetta Stone.

Lately I’ve been scouring the Internet for web pages and circuits about tube regens. The more circuits I find, the more fascinated I become by these simple yet demonstrably effective receivers. There are definitely several “families” that these circuits fall … Continue reading

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Can I hear you now?

Almost immediately after finishing the two-tube transmitter last spring, I began to think “Gee, wouldn’t it be great to build a receiver from scratch, so I could have an entirely homebrew station?” Apparently this kind of self-destructive thinking is a … Continue reading

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But wait, there’s more!

About that regen… At the beginning of November 2014 I’d started collecting parts and begun the build of a WBR Regenerative Receiver. After building two (now three counting the Mighty Mite) transmitters, I was feeling a powerful urge to put … Continue reading

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The Michigan Mighty Mite – oscillating, not liberated.

I have been in the throes of some serious building recently. The DFR (see previous post), a nearly completed WBR regen receiver, and now, suddenly, without warning, in two evenings, a Michigan Mighty Mite QRP transmitter. Soldersmoke is one of … Continue reading

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