To: | "topband@contesting.com" <topband@contesting.com> |
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Subject: | Topband: Bias Tee question |
From: | Dave Kirk <w6mqi@yahoo.com> |
Reply-to: | Dave Kirk <w6mqi@yahoo.com> |
Date: | Sat, 7 Jan 2012 11:42:44 -0800 (PST) |
List-post: | <topband@contesting.com">mailto:topband@contesting.com> |
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 |
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