[amsat-bb] Re: searching advice on low pass filter for 146 MHz

i8cvs domenico.i8cvs at tin.it
Wed Apr 27 12:49:45 PDT 2011


Hi Steve, N1JFU

A tuned stub 1/4 wave long open to the other end and inline with
the feedline will be too large in responce and it will attenuate the
same amount of dB both 145.900 MHz and 147.300 MHz

73" de

i8CVS Domenico

----- Original Message -----
From: "Steve Meuse" <smeuse at mara.org>
To: "Werner Kullmann, HB9BNK" <hb9bnk at uska.ch>
Cc: <amsat-bb at amsat.org>
Sent: Wednesday, April 27, 2011 8:35 PM
Subject: [amsat-bb] Re: searching advice on low pass filter for 146 MHz


> Werner Kullmann, HB9BNK expunged (hb9bnk at uska.ch):
>
> > What an amazing responsetime on this list !
> >
> > (post the question, go shopping, find valuable advice !)
> >
> > thank you all very much !
>
> Since you have plenty of gainr, one cheap alternative might be to try a
tuned stub inline with the feedline.
>
> -Steve
>
> N1JFU -  http://n1jfu.blogspot.com - smeuse at twitter
>
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