[time-nuts] LTE-Lite and - S14WI 1x4 GPS splitter

Björn bg at lysator.liu.se
Sat Nov 29 04:54:17 EST 2014


The splitter will not route 5V back out to another splitter port. Your gpsd(tcx)o antenna port is safe.


<div>-------- Originalmeddelande --------</div><div>Från: cfo <xnews5 at luna.dyndns.dk> </div><div>Datum:2014-11-29  08:53  (GMT+01:00) </div><div>Till: time-nuts at febo.com </div><div>Rubrik: [time-nuts] LTE-Lite and  - S14WI 1x4 GPS splitter </div><div>

I have a S14WI GPS antenna splitter w. Opt : 
Amplified + DC Bias Select + Ant Current monitor

It's connected to a Maxrad 40dB "ice cone timing antenna"

DS for the spliter here

Currently i have this connected : 
Port1 : Tbolt
Port2 : Z3810A
Port3 : Reserved KS Lucent (Waiting for TNC->BNC adapter)
Port4 : Reserved for LTE-Lite (hope to connect today)

Port3/4 have a 50ohm (BNC ethernet terminator) on right now 

As i read the DS , the splitter currently used the antenna power from 
Port1, to power the antenna, and Port2 is terminated w. 200ohm.

I'm a bit unsure about the DS , but as i read it it will isolate Port4 
from the antenna DC , as it draws power from Port1 (Tbolt)

The LTE-Lite is 3v3 , and wouldn't like to get 5v on it's antenna.

If anyone could have a quick glance , and verify my assumptions i'd be 

CFO -Denmark

E-mail:xnews5 at luna.dyndns.dk

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