[Boatanchors] Ferrite Choke
Geoff
geoffrey at jeremy.mv.com
Fri Jul 13 20:32:40 EDT 2012
The quantity depends upon the mix, the size and the frequency.
----- Original Message -----
From: "J. Forster" <jfor at quikus.com>
To: "Jim Wiley" <jwiley at alaska.net>
Cc: <boatanchors at mailman.qth.net>; "Keith Densmore" <kmd at xplornet.ca>
Sent: Friday, July 13, 2012 4:25 PM
Subject: Re: [Boatanchors] Ferrite Choke
>A 'sleeve-type balum' may need a lot more than ten.
>
> http://ebookbrowse.com/baluns-w1his-pdf-d286062338
>
> -John
>
> ===============
>
>
>> I bought several a few months ago on eBay for about $2.25 each. Search
>> for "Ferrite Snap-on EMI RFI noise Core Filter 18.5MM". These will fit
>> easily over RG-8 size cable, with room to spare. The ones I received
>> were good quality USA made (Fair-Rite brand). You may need several (at
>> least 10) if you are attempting to create a sleeve-type balun.
>>
>>
>> - Jim, KL7CC
>>
>>
>>
>> Keith Densmore wrote:
>>> Greetings Listmates,
>>> Just finished installing a off center fed dipole here and I thought I
>>> had enuff coax to wind a choke but alas, no exta coax.
>>> Does anyone know where I can find the snap on ferrite chokes that would
>>> fit RG 213 ??
>>>
>>> Thanks, 73,
>>>
>>> Keith ve3ts
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>
>
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