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Topband: 5V 3A Wall Wart Recommendations?

To: topband@contesting.com
Subject: Topband: 5V 3A Wall Wart Recommendations?
From: "Joe Subich, W4TV" <lists@subich.com>
Date: Mon, 17 Feb 2025 20:08:13 -0500
List-post: <mailto:topband@contesting.com>

Having just begun a noise mitigation project, I've found
two of the biggest sources to be a pair of wall warts for
the USB hubs attached to my radio and office computers.
Removing them dropped the noise floor by 20 dB on both
160/80 (and by about 10 dB on the other bands).

Does anyone have a recommendation for a source of *quiet*
replacements (preferably with 3.5 x 1.35 mm coaxial plug)?

73,

   ... Joe, W4TV



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