REDUCED SIZE BULTER MATRIX FOR SMART ANTENNA SYSTEM
The present invention provides for a realization of a Butler Matrix (10) microwave network of reduced size that includes a plurality of input and output ports, utilizing a plurality of reduced size branch-line couplers operating at 1.8 GHz. The reduced size of the branch-line coupler (20) renders th...
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| Format: | Patent |
| Sprache: | eng |
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