could easily be built up on a small circuit
board to give a 2175 notch, with a very sharp response. Could probably
build one up for $20 or so.
>
> Joe
>
> --- On Thu, 9/18/08, ka1jfy <[EMAIL PROTECTED]> wrote:
> From: ka1jfy <[EMAIL PROTECTED]>
> Subject: [Repeater-
]>
Subject: Re: [Repeater-Builder] Re: CTCSS highpass filter paper
To: Repeater-Builder@yahoogroups.com
Date: Thursday, September 18, 2008, 9:40 PM
Hi All,
Please note some items that should be considered when
making a "commercial version" 2175 notch filter.
N
ter, that same chip could easily be built up on a small circuit board to
give a 2175 notch, with a very sharp response. Could probably build one up
for $20 or so.
Joe
--- On Thu, 9/18/08, ka1jfy wrote:
From: ka1jfy
Subject: [Repeater-Builder] Re: CTCSS highpass filter paper
To: [EMAI
-Builder] Re: CTCSS highpass filter paper
To: Repeater-Builder@yahoogroups.com
Date: Thursday, September 18, 2008, 3:17 PM
Not real interested in a PL filter, but my agency [hello Joe M]
would
be REAL interested in a commercial version of the notch filter.
We currently
Not real interested in a PL filter, but my agency [hello Joe M] would
be REAL interested in a commercial version of the notch filter.
We currently put either a Vega passive [$150] or Midian active [$60]
2175 notch in every repeater we build up.
Walter KD7BJJ
Phoenix, AZ
--- In Repeater-Builde
Thank you for the pointer to Virgil's well done article.
This should help others to understand the CTCSS tone feedthru that
plagues a lot of repeaters.
And thank you Virgil...excellent work.
[EMAIL PROTECTED] wrote:
snip
> There was a discussion on Repeater-Builder a while ago about the
> advan
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