SolderSmoke Daily News -- Ham Radio Blog

Serving the worldwide community of radio-electronic homebrewers. Providing blog support to the SolderSmoke podcast: http://soldersmoke.com

Showing posts with label Swan 240. Show all posts
Showing posts with label Swan 240. Show all posts
Monday, January 10, 2022

Exorcism Not Quite Complete -- Thinking of Other Options

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As often happens, I may have jumped the gun in declaring the exorcism of my 17 meter transmitter to be a success. As readers of this blog wi...
11 comments:
Tuesday, December 7, 2021

Junk Box Sideband from the Azores (2004 QST Article)

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About 20 years after I first built it, I find myself working on and using this SSB transmitter.    I recently added some impedance matching...
1 comment:
Saturday, November 20, 2021

The Double Crystal Lattice Filter in the Swan 240 -- Smoothing it out with a NanoVNA

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In SolderSmoke Podcast #234, I said that I was scrutinizing the filter from the Swan 240 that I had picked up around 1994 in the Dominican R...
2 comments:
Thursday, July 22, 2021

The Unicorn! A 75 LSB /20 USB Receiver (That Can't Work)

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  Don't get me wrong -- I'm a huge fan of Doug DeMaw.  His books and articles are a treasure trove for ham radio homebrewers.  Also,...
20 comments:
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