Saturday, September 30, 2023

The TinySA Ultra Spectrum Analyser (video)

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I got mine this week, and I've been playing with it.  When I spoke to Dean KK4DAS, I asked what he thought the first thing I did with it...
Friday, September 29, 2023

"The Art of Electronics" #8 -- Why Not a Simple Emitter Follower as The AF Output Circuit?

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Click on the image for an easier read Back when Dean KK4DAS and I were trying to find a suitable AF amplifier circuit for our High School Di...
5 comments:
Thursday, September 28, 2023

A Look at Old Radios in Australia (video)

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I thought you guys would like Peter Parker's latest video.  And in it, Dean KK4DAS might see a clue or two for his Halli restoration/re...
4 comments:
Wednesday, September 27, 2023

Ciprian YO6DXE Puts the Michigan Mighty Mite on AM! (video)

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Excellent work Ciprian!   Here we have a Michigan Mighty Mite being modified for AM in Romania, with input from Hungary, and inspiration fro...
1 comment:
Tuesday, September 26, 2023

F6CRP's FB Homebrew Receiver

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I like F6CRP's homebrew receiver.  I like the way he presents it (block by block) and I like the inclusion of the W7ZOI IF board. The JF...
2 comments:
Monday, September 25, 2023

Crushing Spurs with Better Bandpass Filters

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PA3AKE's passband (on screen) an mine (on NanoVNA)  While I was away in the Dominican Republic (3-9 August 2023),  I was thinking about ...
Sunday, September 24, 2023

The Art of Electronics #7 -- Paul Horowitz on Ham Radio, and on SETI (audio)

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Radio Contact · “We didn’t find anything, so the search goes on” Above is a seven minute audio podcast in which Paul Horowitz talks about h...
Saturday, September 23, 2023

Sunburst and Luminary -- An Apollo Memoir by Don Eyles (video)

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Buy the book from the Amazon link on the right side of the page >>>>>>>>>>>>>>>>>>>...
1 comment:
Friday, September 22, 2023

"The Art of Electronics" #6 -- Transistor Man

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  In the interview about "The Art of Electronics"   Lenor Fried had a shirt with "Transistor Man" on it.   There he is ...
5 comments:
Thursday, September 21, 2023

Marb Builds a Replica of Michael Faraday's Motor

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Really cool, at a couple of levels.  First, well, Faraday's motor.  Cool enough right there. But also very cool is the workmanship.  Mar...
Wednesday, September 20, 2023

The Art of Electronics #5 Paul Horowitz on SETI (and lots of other radio stuff)

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In 2016 Paul Horowitz  talked about SETI at Google.  Fascinating stuff.  Paul did an especially good job of weaving in a lot of radio/electr...
1 comment:
Tuesday, September 19, 2023

"The Art of Electronics" #4 Boom! Putting Diodes Across Relay Coils

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I think this is a good example of the practicality, and the style (BOOM!) of The Art of Electronics .  This shows very nicely how failing to...
2 comments: