I found burned parasitic suppresser in my Henry 2KD-5.
The silver plated tape coil looks OK but two resistors
inside of the coil were completely broken.
I made new parasitic suppresser which was referred to
Rich's home page. It uses stainless wire (#18, 1.2mm Dia.)
wounded 3.5 turn at 7mm Dia. A 100 ohm 2W MOF resister is
connected in parallel.
The result is very good. The photograph is seen in the
link below.
http://www.ny.airnet.ne.jp/ohashi/parasti.jpg
The upper is the burned original one and lower is new one
made of stainless wire.
'73 de JA2DHC/1 Kazuo Ohashi
QTH: Fujisawa, Kanagawa, Japan
PBBS: JA2DHC@JL1ZND.11.JNET1.JPN.AS
WebPage: http://www.ny.airnet.ne.jp/ohashi/
--
FAQ on WWW: http://www.contesting.com/ampfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|
