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  • [SSDN] The Double Crystal Lattice Filter in the Swan 240 -- Smoothing i

    From SSDN via rec.radio.amateur.moderate@21:1/5 to All on Sun Nov 21 06:25:10 2021
    XPost: rec.radio.amateur.moderated, uk.radio.amateur, free.uk.amateur-radio

    SolderSmoke Daily News

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

    Posted: 20 Nov 2021 04:46 AM PST http://soldersmoke.blogspot.com/2021/11/the-double-crystal-lattice-filter-in.html

    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 Republic.  I cannibalized it out in the Azores in the early 2000s and used the parts to build -- among other things -- my first SSB transmitter.  I never really focused much attention on the filter that I pulled out of that old rig -- I
    was just happy that it

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    Video of SolderSmoke Podcast #234

    Posted: 20 Nov 2021 03:49 AM PST http://soldersmoke.blogspot.com/2021/11/video-of-soldersmoke-podcast-234.html

    See also: https://soldersmoke.blogspot.com/2021/11/soldersmoke-podcast-234-pssst-kwm-1-vhf.html

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