Category: Hacks

Toroid Tip #4: Counting!

As a collector of tips and tricks that I can use when building radio stuff. I’m also a writer and I love sharing knowledge. When Todd, N0IP shared a tip that I can’t believe I didn’t think of myself, I just had to write it up! For the other three tips, see the link at …

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The DC40 is complete- and dual band!

In December 2018, we published 5 articles all based on the DC40 project, starting with Part 1. We last left off with a few pieces that definitely made up a receiver. But, it was just parts on the bench and really needed a case. Then in February 2019 we picked up a Panasonic AM/FM Cassette …

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Panasonic AM/FM Clock Radio Teardown

Have you ever been at a thrift store and wondered if you should buy that super cheap bit of electronics and salvage or re-use it? In this video we discuss how to tear down such a beast, and discuss things like what makes a good find, what parts can be easily re-used, and how industrial …

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The W7RLF BITX40: Finished at last!

Last year I thought the BITX40 was “done”. It successfully worked on 80, 40, 30, and 20m. It was truly multi-band! The trick to doing that was to make the Band Pass and Low Pass filters pluggable using QRP Labs filters. One only needed to open the radio, change the filters, and retune the VFO. …

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Dabbling in Circuit Art: The LM386 Spider

Last month I built the DC40 receiver (and wrote a giant series on it: Part 1, Part 2, Part 3 and Part 4. And somewhat unofficially Here!) and at the same time, Hackaday.com posted their Circuit Sculpture contest. Would it be possible for me to combine projects, and submit the DC40 as a circuit sculpture of some …

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