[TenTec] Cheap Ferrites (was Orion reset)

A. Sewell n5na at att.net
Thu Jan 27 16:08:01 EST 2005


Sorry.  Make that reactance instead of resistance.

73,

Alan N5NA


Ken Brown wrote:

> Is not the resistance dependant on the wire material (copper or 
> other), cross section (gauge) and length, and not dependant on the 
> core material? How can the core have an effect on resistance, other 
> than because of it's dimensions, by changing the length of wire needed 
> for a given number of turns? Core material having an effect on 
> impedance, reactance or inductance I can understand. But resistance?
>
> DE N6KB
>
>>   With five turns thru the bead I get a resistance of ~140 and an 
>> inductance of 11 uH.  If they were 43 they should have a resistance 
>> of ~500 and an inductance of ~40 uH.
>>
>
>
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