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Re: Topband: More noise

To: topband <topband@contesting.com>
Subject: Re: Topband: More noise
From: Mike Waters <mikewate@gmail.com>
Date: Sat, 28 Jan 2017 17:14:33 -0600
List-post: <topband@contesting.com">mailto:topband@contesting.com>
LOTS of wall chargers are very bad. :-)

Often, making a toroid choke by wrapping about 14t of the cord around a
2.4" OD type 31 ferrite core will kill the noise.

73, Mike
www.w0btu.com

On Sat, Jan 28, 2017 at 3:33 PM, James Wolf <jbwolf@comcast.net> wrote:

> Nook wall chargers are also very bad.
> Jim - KR9U
>
> It turns out the the XYL was using a new (aftermarket) charger for her
> Galaxy Note 4 phone.  This one was really bad.
>
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