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| My final design is shown here. Only three cores! Once again no attempt to fine tune the circuit. All ports SWR < 1.1:1. Balance 0.01db and 0.001 degrees. Port to port Isolation drops to 6 db and 12db to the other output xfmr. What this means is that you can disconnect one antenna and the SWR to the others will stay below 2:1. The original was all over the Smith Chart. Small antenna match changes,say 2:1, will barely effect the match to the other antennas. | |
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