[Amps] plate choke

[R.Measures]

On Aug 26, 2005, at 8:18 AM, Will Matney wrote:

>
>
> *********** REPLY SEPARATOR  ***********
>
> On 8/26/05 at 3:41 AM R.Measures wrote:
>
>> On Aug 25, 2005, at 9:33 PM, KD7QAE wrote:
>>
>>> So,  many of the plate chokes I have seen described in home brew
>>> amplifiers and those in use in Ameritron, Henry, Alpha and QRO are
>>> single layer wound solenoids, many like the one I built.  These do 
>>> not
>>> exhibit resonant peaks (High Z) in the ham bands as far as I can tell
>>> based on my limited experience.
>>
>> A single-layer choke of up to c. 60uH will exhibit no resonances below
>> approximately 35MHz, however, larger chokes will.
>
>
> Not in the normal ham bands I doubt it.

I measured such chokes and I did not find any resonances below about 
35MHz. .

> I have seen them though, well lets say in other places close. However 
> a choke for that frequency

Which frequency?
...
Richard L. Measures, AG6K, 805.386.3734.  www.somis.org