[Amps] Tips For Winding a Plate Choke

[donroden at hiwaay.net]

>> Also,  you  dont  want  to  mount
>> a plate  choke parallel to a sidewall,  nor  the  chassis.   The   
>> stray  C will  screw  up  the  choke,
>> and  shift  its  series resonances...  down  in  freq....  which   
>> could easily  cause catastrophic results.

IT seems that this effect could be used as an advantage on multi-band amps.

If the resonance is below a WARC band, a conductive paddle could be  
designed to follow the bandswitch position, pulling the resonance  
further downward, out of the way.

Don W4DNR