Get a signal splitter from minicircuits specifically designed with a passband tailored for GPS that has DC pass-through to power the antenna and LNA. If you can't find one that has DC pass-through then you will need to add a power injector to power the antenna/LNA.
Here: http://www.minicircuits.com/pages/npa/ZAPD-2DC+.pdf On Tue, Feb 4, 2014 at 7:08 AM, mike cook <[email protected]> wrote: > Hi, > Till now I have been putting receivers in individual boxes. So to limit > the growing number of boxes, I want to put two Resolution-T SMT receivers > in one box, sharing power and antenna inputs. My question is " How best can > I share the antenna input, minimizing any interference between the > receivers?" . Will any interference matter? For example, I can easily > connect three bits of shielded coax in a "Y" , but will probably get > reflections from each receiver. As the cables will only be about 15cm long, > would it matter? How about the DC antenna supply? The antenna DC will NOT > be powering an antenna as it passes through a DC blocked splitter used to > share an antenna between most of my receivers. I might be able squeeze a > Mini-Circuits splitter in the box and DC-block both outputs but that may be > overkill. What discrete circuitry might be a replacement? Will the "Y" do > it? > > Someone must have already succeeded with this type of config. > > Thanks in advance for your input. > > Regards, > Mike > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > -- Brian Lloyd, WB6RQN/J79BPL 706 Flightline Drive Spring Branch, TX 78070 [email protected] +1.916.877.5067 _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
