It never hurts to have a DC block when Murphy is around. Carl KM1H
----- Original Message ----- From: "Dave Kirk" <w6...@yahoo.com> To: <topband@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 > _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK