[amsat-bb] Info needed "European 145 and 435 MHz Diplexer and Dual Band Filter (Model: DCI-145-435-DX-DB)"

EC4TR Luis ec4tr.luis at gmail.com
Wed Jan 6 23:09:53 UTC 2016

Thank you very much to all.
I see that the tips are unanimous regarding the use of a duplexer.
So far I was reluctant to use it not to introduce lost, since I use my
installation of VHF / UHF local contests
I have a "D original" duplexer that does not use and I've tested at work
with good results.
I will not be very difficult to climb the tower and place it just before
the preamp.
I'll tell you that this was me.
73 Luis

2016-01-06 17:49 GMT+01:00 <jerry.tuyls at telenet.be>:

> Hello Luis
> The best way is to put the filter BEFORE the signal goes into the
> preamp.There are plenty of "cheap" diplexers, but if i were you, just
> make it yourself. You only need 50% part of the diplexer,so in a small
> weatherproof box build your own filter for it.
> On my side i have no problem with desense, MASPRO WHS-32N on 2m boom 7m
> high. BUT all is well grounded here. I have also homemade crossyagis on the
> roof,at 12m high,but no pol.switching there; gonna change them into X-quads
> with pol.switch, because the Maspro is too big for my roof.
> For my /p antenne i made myself a diplexer, but going to split it into 2
> smaller boxes, 1 per antenne, LPF and HPF seperated.
> 73's
> Jerry,ON4CJQ
> ----- Oorspronkelijk bericht -----
> Van: "EC4TR Luis" <ec4tr.luis at gmail.com>
> Aan: amsat-bb at amsat.org, satdx-bb at star-com.net
> Verzonden: Dinsdag 5 januari 2016 20:53:24
> Onderwerp: [amsat-bb] Info needed "European 145 and 435 MHz Diplexer and
> Dual Band Filter (Model: DCI-145-435-DX-DB)"
> Hi all
> One guy, is selling this filter,
> http://www.dci.ca/?Section=Products&SubSection=Amateur
> I am thinking in the possibility of using it for desensing problem with
> FO-29.
> I`m pretty sure it would work fine, but the question is, would it pass
> dc power for feeding the preamp?
> Somebody knows it?
> I asked them via email, but not answer.
> 73 Luis
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