Please see below:
Kenneth D. Grimm, K4XL escribió:
> R.Measures wrote:
>
>
>>On Nov 21, 2005, at 12:08 PM, wc6w@juno.com wrote:
>>
>>
>>
>>
>>>Hi Jan,
>>> The theory behind those "sectioned" chokes is that all the
>>>resonances will fall somewhere friendly. In the real world they tend
>>>to behave rather similar to contiguously wound solenoids.
>>>
>>>
>>
>>In my experiences, this was also the case, Marv. The notion that two
>>choke sections can be decoupled by placing them end-to-end instead of
>>at right angles is quite laughable.
>>
>>cheers
>>
>>
>>
>>
>>> For some background info on plate parallel feed RF chokes and
>>>alternative solutions see:
>>>
>>>http://wc6w.50webs.com/wc6wamps/index.html?fr62.html
>>>
>>>73 & Good afternoon,
>>> Marv WC6W
>>>
>>>
>>>-- jan <jan@on6zg.be> wrote:
>>>Hi,
>>>
>>>I´m building a HF gs35b amplifier, but i´m having a problem with the rf
>>>choke in the High voltage line.
>>>On 15meters the choke gets hot.
>>>Has anyone got specifications for building a 160m to 10m rf choke? I´ve
>>>found several amps with a choke like this inside:
>>>http://www.kvindesland.no/yl2qm/images/rfc.gif
>>>
>>>thanx for any help
>>>ON6ZG, Jan
>>>
>
> OK, now on behalf of us non-cognoscenti,
Me, the first; that sectioned inductors, although not inductive related
decoupled, are not wound in separate sections so as to reduce distributed
capacitance?.
Best regards
Guillermo - LU8EYW.
are you guys saying that the
> segmentation of a solonoidal plate choke cannot be wound so as to
> avoid resonances at undesired frequencies?
>
> I don't want to waste my time trying to wind a new choke for my amp that
> does unhappy things every time I try to use it on 24 MHz if it is a
> known fact that
> segmentation doesn't work.
>
> Anyone want to guarantee this? :-)
>
> 73,
>
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