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Re: Newbie: Noise on RX when keying TX , try a filter .......



on 12/5/00 12:12 AM, Douglas Cole at n7bfs@qwest.net wrote:

> so I finally made the plunge and bought one of the bandpass filters made by
> DCI and stuck it on the tracking generator at work and hey , these puppies are
> one fine value for the kind of filtering they do , I was very impressed , they
> give you at least 50 db isolation outside of the bandpass  and a relatively
> flat pass window ( within a db ) with less than a db loss and hey the vhf one
> is only $90 !

The DCI filters are fantastic. I use the 2m one.  For 432, I use the UHF
side of a Larsen duplexer such as you'd use in your car!  It was all I had
available at the time and hey, it works!

73,

Jon
NA9D

-------------------------------------
Jon Ogden
NA9D (ex: KE9NA)

Member:  ARRL, AMSAT, DXCC, NRA

http://www.qsl.net/ke9na

My President is George W. Bush -> The legal winner in Florida

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