Re: Topband: High pass Filters

["George & Marijke Guerin" <gmguerin@voyager.net>]

Hi All,

My best Hi-pass filter came from an article in the ARRL Handbook - 1985 page 
30-32,

The series resonance can be adjusted to help null nearby stations in various 
parts of the BC band.

73        George        K8GG


----- Original Message ----- 
From: "Barry N1EU" <n1eu@hotmail.com>
To: <topband@contesting.com>
Sent: Saturday, November 27, 2004 7:27 PM
Subject: Re: Topband: High pass Filters


> > From: "Michael Tope" <W4EF@dellroy.com>
>
> > > ICE (in Indianapolis) makes decent high pass filters with a cutoff just
> > below 1.8
> > > MHz.
>
> > One caveat is that this filter has limited rejection (only 10
> > to 15dB) at the high end of the BC band:
>
> That was indeed my experience and the Dunestar filter did a better job at 
> the BCB high end.
>
> 73,
> Barry N1EU
>
>
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