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Re: LF: Rogowski-coils for RF measurements

To: [email protected]
Subject: Re: LF: Rogowski-coils for RF measurements
From: DK7FC <[email protected]>
Date: Tue, 23 Oct 2018 15:13:25 +0200
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User-agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv: Gecko/20100227 Thunderbird/3.0.3 i started to build one, see attachment.
Not yet sure how it will perform. DON'T bother me with calculations telling it won't work! ;-)
73, Stefan

Am 22.10.2018 15:04, schrieb DK7FC:
Hi all,

Has someone ever build (homemade, not bought!) a Rogowski-coil for RF current measurements?

It could be used to measure leakage currents in a tower near the antenna wire for example. Or for measuring RF currents into a pole of a guide rail, for example :-)
I'm planning to build one and i thought i use 0.4 mm diameter enameled
cu wire arround a graden hose, having 0.6m circumference. Then some
shrinking tube will be applied. That's the plan.
The circuit looks easy, it should be run from a 9V battery and a
simple TL081 for example. The output could be adapted to a multimeter,
so there is a digital read-out.
I'm curious to see how it works...

73, Stefan

Attachment: Rogowski1.jpg
Description: JPEG image

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