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
These are just a couple of short videos that I made for my nephew before sending him this receiver. As you can hear, deafness is not a problem with this design! I did make some frequency stability improvements after this video was made -- I think you can hear a bit of drift. Still, not bad for a very simple circuit using a polyvaricon superglued to the back of a cardboard box.
I'll post more videos of the second version of this receiver. There are further improvements in frequency stability. My goal: "Juliano Si5351" levels of stable-ness.
Hi Bill, I've been through my components draw and I think i have enough bits :-) your schematic has a few bits I can't fathom .. volume and the electrolytics :-) do you have one with these labeled?? many thanks, an excited Gaz :-))
"SolderSmoke -- Global Adventures in Wireless Electronics" is now available as an e-book for Amazon's Kindle.
Here's the site:
http://www.amazon.com/dp/B004V9FIVW
Bill's OTHER Book (Warning: Not About Radio)
Click on the image to learn more
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With beret and with a Michigan Mighty Mite in hand
SARC Bi-weekly Bulletin
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January 21, 2025
Issued during the first and third week of each month, it provides a quick
reference for member activities, resources and links for the f...
January 21, 2025. More Low Power Suggestions.
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For starters, visit Todd's K7TFC website:
https://www.mostlydiyrf.com and load up on the really good stuff.
The reason I start with this is that Todd sent m...
Part Obituaries continued : R.I.P -- dear J310
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Greetings ###
I'm working on a common gate RF amp using the ubiquitous RF home brewer's
JFET, the J310. I happened to go on DigiKey and Mouser. Here's w...
Soldersmoke Direct Conversion Challenge - revisited
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I built the direct conversion receiver described on the Soldersmoke blog a
while back but ran in to several problems. The audio chain was very
unstable and...
NanoVNA-H4 – Surely Smith is better? – #2
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NanoVNA-H4 – Surely Smith is better? discussed a correspondents
contention that “surely a Smith chart is superior for antenna system
tuning, a universal di...
Hollow-State Design, 3rd Edition
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Hollow-State Design, 3rd Edition is available from: Lulu Press:
tinyurl.com/hollowstatedesign3 eBay: search for “hollow-state design”
Electric Radio bookst...
I Finally Bought My Dream Airplane
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Aviation has been a love of mine since I was a very little person. Living
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2000 47pF Caps ...
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An unexpectged package arrive in the mail today. Did you ever wonder what
2000 47pF NP0 capacitors look like? Thanks to John, AB2XT I will never run ...
New QRP Cluster From OM0ET and OM6APN
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By DX EXPLORER
DX EXPLORER
Paul OM0ET and Peter OM6APN recently launched a new cluster dedicated to
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Daylight Again – An all Analog Radio
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range 3D ...
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The bottom ends of 80, 40 and 20m are not what they used to be. For
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SMA Torque Wrench for the NanoVNA (uncalibrated)
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occasionaly gotten a slightly different reading than I had expected. Using
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in ...
QRP Labs shop!
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All QRP Labs kits may be ordered online securely at the shop, with PayPal
payment.
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Posts
Gold stuff Bill. Thanks for sharing the details.
ReplyDeleteThis will be my first scratch build. I have studying the schematic and hope to noodle the layout this weekend.
My first component order should be here soon. I am excited and scared. But you can't learn to be good without making an effort and stumbling as ya go.
73 from the Mitten State
KE5ETX
Sounds fantastic, Bill. Looks like another project for my 'to do' list!
ReplyDeleteHi Bill, I've been through my components draw and I think i have enough bits :-) your schematic has a few bits I can't fathom .. volume and the electrolytics :-) do you have one with these labeled?? many thanks, an excited Gaz :-))
ReplyDelete