Just go to http://soldersmoke.com. On that archive page, just click on the blue hyperlinks and your audio player should play that episode.
http://soldersmoke.com
In my previous blog post I'd expressed skepticism about using a single transistor regen on the air. But over the years I've learned to give new receivers a chance. They usually don't work perfectly on the first try. You have to work with them. It is almost as if you have to peak and tweak a lot in order to get them to properly inhale signals from the ether. That has been the case with this little receiver. I found some silly mistakes in my construction. And I decided to try some more sensitive headphones. I ditched the 1000 to 8 ohm AF transformer. And I added a very small variable cap for fine tuning. The results are amazing. See video above. It performs as well as most of the direct conversion receivers I've built. It is remarkably stable. I do think I could make contacts with this receiver. I might eventually go the full ET-1 route and try to do it with a single switched FET, but I think my next step will be to built a single transistor crystal controlled transmitter on the same piece of wood, and try to makesome contacts with a two-transistor rig.
Instrument storage boxes updated
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While getting some equipment off a shelf I knocked some thing down and they
landed on a nanoVNA, cracking the screen.
I think it is time to make some ...
2021 - The Year of Nostalgia. A 60 Year Trip
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A 60 Year Time Trip!
Starting with Today (2/22) -- The N6QW Conversion of the Dentron Scout HF
SSB.
2/27/2021 --- Strange Happenings!
I am working on t...
Hunting For NDBs In CLE265
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*WC - 332 White Rock, BC*
It's almost* CLE* time once again! '*CLE*'s are '*C*o-ordinated *L*istening
*E*vents, and NDB DXers around the world focus...
A Personal Milestone: Published on Paper
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As far back as I can remember, I have had a fondness for words and
language. Even in the second grade, learning the roots of words, their
suffixes and pr...
Mt Feathertop (VK3/VE-002) 11th Jan 2021
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Mt Feathertop (1,922 meters) is the second highest mountain in south
eastern Australia (Victoria), and according to many commentators, the most
picturesque...
Yet more new AVRs
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In a previous blog I mentioned the new atmega4809 and AVR128DA parts. Well,
it seems I missed two other new families, the AVR128DB and AVR128DD series.
I’v...
Re-engineering my 1st “Shirt-pocket” transceiver
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When the project of building a very small transceiver was accomplished 4
years ago, I still lacked lots of skills in setting up electronic circuits
using S...
The Complete DXer
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Odds are that, if you're reading this, you're probably familiar with two
other jewels from the ARRL bookstore: *Solid State Design For The Radio
Amateur...
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A Simple Speech Processor
(For QRP/SSB Homebrew Transceivers )
Over the last few weeks I had been thinking to build a small AF speech
processor to add to...
Modifications to the Dayton/FDIM-2019 Antuino
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The Dayton Antuino has sub-optimal performance. This is a short note on
improving it to an 80 db range of measurements. The trouble with Antuino
2.0 (the o...
A New Look for your uBitx!
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Adding a "Cool Blue" Display to your uBitx!
The standard "green background" with black lettering frequently reminds me
that I suffer from Chronic seasicknes...
Love the tuning sticks!
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