[SixClub] DB Products DB4032 Mods for FM Repeater Use?

[Larry Thomas]

    Did you try the repeater builder website ? Or send an email to the 
repeater builder email reflector. Here is the address.....KB8VUM

   email address        Repeater-Builder at yahoogroups.com
   website                  http://www.repeater-builder.com/rbtip/


Robin Midgett wrote:

> Hello,
> I'm seeking info and/or help from anyone with experience in modifying 
> a set of DB4032 cans for use as a duplexer in a 6m FM repeater with a 
> 1 MHz. offset.
> These cans are originally specified up to 50 MHz, with a .5MHz offset. 
> Currently I can move the cans in the low side of the duplexer up in 
> frequency as high as 52.1 MHz, but I need them to move to 52.33 MHz. 
> I'll also need to move the high pass side up to 53.33 MHz.
> There are coaxial stubs connected to each can of the duplexer to 
> deepen the notches. One side of the duplexer has shorted stubs, the 
> other has open stubs. All the coax used in the connections is RG-214. 
> I presume I'll have to modify the lengths of these stubs as well.
> It may be better to save this set of cans for use with a .5 MHz offset 
> machine lower in the band; don't know.
>
> Any info is appreciated.
>
> Thank you,
> Robin Midgett K4IDC
> 2004-2005 President, SVHFS
> www.svhfs.org
>
>
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