Hi Marty,
Of course there is the alternative to spend as much as the rig is
worth:
http://www.inrad.net/home.php?cat=95
I have Inrad filters in several rigs, and I will probably get a filter
like you are looking for to fit into my Triton IV, too.
http://www.inrad.net/product.php?productid=207&cat=95&page=1
Again, if price is an issue ($125) you can get some cheap-but-
matched crystals from Dan's Small Parts and roll your own. The trick is
having them matched.
MATCHED CRYSTALS BELOW
10 MHZ HC18-U PACKAGE ..... 6/$6.00
4.000 MHZ HC18-U PACKAGE ..... 6/$6.00
9.600 MHZ HC18-U PACKAGE ..... 6/$6.00
8.000 MHZ HC18-U PACKAGE .... 6/$6.00
http://www.danssmallpartsandkits.net/
None of these are the right frequency (9000.5 - 9000.8), but if you look
around the net you can probably find something. HTH.
--
Neal - NL7VL
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On Tue, 14 Dec 2010 08:53:37 -0600
Marty Hartwell <mhartwe@gmail.com> wrote:
> Hi
>
> I have asked in the past if anyone has a 245 filter for the 540
> Triton IV and received no
> answers. So I am wondering if anyone in the past has built one on
> Vector board or
> ugly construction and gotten it to work? I am going to RS and see
> what might be available
> to try this, it doesn't look to complicated to me.
>
>
>
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