Sunday, December 31, 2017

Ceramic DC Receiver on the Cover of SPRAT. Happy New Year to All! Straight Key Night.

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G-QRP very kindly put my little DC Receiver on the cover of issue Nr. 173.   (Very sorry to see that GM3OXX has become a Silent Key. )  ...
Saturday, December 30, 2017

Building the Ceramic Discrete Direct Conversion Receiver - Part 3 -- The Audio Amplifier

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Once you have achieved JOVO and have the oscillator covering the frequency range you desire, it will be time to build the audio ampl...
3 comments:
Thursday, December 28, 2017

Caribbean Beach Listening Post

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Oh man, I wish I was still there.  It was 85F and very nice on Christmas Eve on the Eastern tip of the Island of Hispaniola in the ...
2 comments:
Friday, December 22, 2017

The Three Body Problem by Cixin Liu

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Strongly recommend this sci fi book.   Lots of physics Some e!ectronics.  And even a bit of Morse.   Ask Santa.
1 comment:
Sunday, December 17, 2017

Building the Ceramic Direct Conversion Receiver Part 2 -- Building the VFO -- Our Goal is JOVO!

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DC RX VFO and Buffer I'll put the full schematic at the bottom of each of the posts so that you can easily refer to the big pictu...
9 comments:
Saturday, December 16, 2017

Building the Ceramic Direct Conversion Receiver -- Part 1 Introduction, Stages, Parts.

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I hope many of you decide to build this little receiver.  With it, you can break into the ranks of those intrepid ham homebrewers who hav...
5 comments:
Saturday, December 9, 2017

SolderSmoke Podcast #201 Santa, Storms, BUILDING A DC RX, SDR, uBITX

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SolderSmoke Podcast #201 is available:  http://soldersmoke.com/soldersmoke201.mp3 9 December 2017 Santa Juliano Forest fires, sno...
7 comments:
Sunday, December 3, 2017

Discrete Ceramic 40 Meter Direct Conversion Receiver in Action (Video) -- BUILD THIS THING!

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I've been holding off on making this video until I improved the stability.  N6QW is vigilent!  I only did this video after certifying ...
6 comments:
Saturday, December 2, 2017

Cliff Stoll -- Still Passionate About Electronics (Video)

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I open Chapter 3 of my book "SolderSmoke -- Global Adventures in Wireless Electronics" with some quotes from Cliff Stoll:  ...
Friday, December 1, 2017

"The Black Rose" -- Yardley Beers' 1955 HB SSB Transceiver

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I've been a fan of Homebrew Hero Yardley Beers W0JF for a long time.   Here is a link to previous posts on him:  http://soldersmoke.b...
3 comments:
Thursday, November 30, 2017

VK3YE QRP by the Bay Goes VHF/UHF

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Peter Parker again hosted the VK3 radio amateurs.  This time the event fell on VHF/UHF Field Day weekend.   So Peter and his friends went ...
Wednesday, November 29, 2017

Listening for Your Own Signals on the Long Long Long Path

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I heard some guys talking about this on 40 SSB last night.  A very cool use of the bidirectional pattern of the W8JK beam.  From:   ht...