----- Original Message -----
From: "m.ford" <k1ern@direcway.com>
To: "Jim Brown" <jim@audiosystemsgroup.com>
Sent: Tuesday, February 07, 2006 10:11 AM
Subject: Re: [Amps] FW: RFI Question
>
>
>> On Tue, 7 Feb 2006 04:13:13 -0800, N7HIY wrote:
>>
>>>clip on ferrites are not very
>>>effective...made for those looking for placebo effect...
>>
>> WRONG! Clip-on ferrites ARE effective for the frequencies for
>> which they are designed -- VHF. They are NOT intended for HF,
>> and they don't work at HF. See the tutorial on my website.
>>
>> http://audiosystemsgroup.com/publish
>>
>> Think of ferrites in the same way that you think of any other
>> electrical component -- resistors, capacitors, and inductors all
>> come in various values, sizes, and construction types, and so do
>> ferrites. The differences is that ferrites aren't labeled with
>> their values and types. They should be, but they are not.
>>
>> Jim Brown K9YC
>>
>
> I have had great results from the rectangular snap on devices
> sold by RS. Part # 273-104. You can wind many turns of just
> about anything on them or stack em like flap jacks. I put one on
> the primary leads of a transformer that was powered by a square
> wave inverter and the thing started singing. Spooky.
>
> If anyone knows who makes them for RS I would like to know.
>
> Mike k1ern
>
>>
>>
>> _______________________________________________
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