I have three ZN4PD1-50-S+ feeding my farm with 5volt and 3v antennae .I just added dc blocking. These are not amplified. There is about 3dB loss at the splitter output. I have only 5m of antenna cable, RG74 IIRC, and the antennae are active, providing +26dB (according to the adverts). I have tested them with 30m of Aircell 5 , but not measured. There was some loss, but not enough to disrupt or diminish the receiver reception. Modern receivers are very sensitive, but even my Oncore UT+ was not phased, though I could see the power loss in the winoncore12 graphics.
I got my mini-circuit splitters on <$50 including shipping to France. Have fun. Le 28 sept. 2015 à 12:32, Martin A Flynn <[email protected]> a écrit : > > > Hi folks, > Need a bit of advise: I have a project underway that requires multiple GPS > receivers. They all provide 3V power to the antenna. My existing antenna > is a generic KS-24019L112A (26dB) that needs 5V. There's about 75' of 1/2 > heliax between the receiver location and antenna. > > Best fix I can come up with is using a re-purposed Spectracom 8224* splitter > with an external power supply for the antenna, and DC blocking at the > receiver ports. > > Two questions > > 1. Is there another vendor I should be looking at? > 2. Do I need to add gain at the splitter (options are -8.5 dB or +18 > dB). Heliax chart says 2.771 dB loss per 100' @ 1.5 GHz, with > another dB loss in the connectors and protector. > > Cheers, > > Martin Flynn > > *http://spectracom.com/ProductsServices/TimingSynchronization/GPSAntennasAccessories/8224GPSAntennaSplitter/tabid/147/Default.aspx > > _______________________________________________ > 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. "The main function of a modern police force is filling in forms." _______________________________________________ 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.
