[Boatanchors] is it a Choke or a Filter Reactor?
George KB2Z
Thermionic_Emission at earthlink.net
Fri Oct 29 09:14:02 EDT 2004
In the "Illustrated Dictionary of Electronics" under filter reactor, and
filter inductor it says, See filter choke.
At 08:28 AM 10/29/04 -0400, you wrote:
>Greg,
>"Reactor" refers to the inductor's positive reactive AC circuit
>impedance. "Choke" whether for a DC power supply filter or for higher
>frequencies ("RF choke") refers to the blocking effect of the inductor for
>higher frequencies, that is, DC currents are passed with little loss,
>while higher frequencies are diminished or "choked" off. That said, I
>don't know of any industry standard technical distinction between the
>terms "Filter Choke" and "Filter Reactor" when referring to big, heavy,
>iron core inductors used in DC power supply filter circuits. I believe
>these are just two interchangeable terms used to refer to the same thing.
>
>Bob
>WB4TGG
>
>Greg Mijal wrote:
>
>>Is there a substantial difference between the terms: Choke and Filter
>>Reactor?
>>I have a Thordarson T20C57 10h @ 500 ma monster stamped "Filter Reactor"
>>So why not mark it "Choke" ?
>>Could "Filter Reactor" be a bygone term for swinging choke?
>>Thanks
>>Greg
>>WA7LYO
>>in rainy feenix
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>
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