Topband: Bias Tee question

[ZR]

It never hurts to have a DC block when Murphy is around.

Carl
KM1H


----- Original Message ----- 
From: "Dave Kirk" <w6mqi at yahoo.com>
To: <topband at contesting.com>
Sent: Saturday, January 07, 2012 2:42 PM
Subject: Topband: Bias Tee question


> I’m designing a multi element receive array which
> incorporates the usual 0 deg hybrid
> combiner, 180 deg phase inverter, and 2:1 transformer. I’m going to use 
> pre
> amps on the antenna elements and need to supply 12 volts to them via the 
> feed
> lines through a bias tee. My question is do I need to worry about 12v 
> being fed
> back through the combiner, phase inverter, or 2:1 transformer to my 
> receiver even
> though their not physically connected or should I put .01 cap on the feed 
> line going the my receiver for
> safety.
>
>
> Thanks Dave.
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 10.0.1416 / Virus Database: 2109/4128 - Release Date: 01/07/12
>