The Design of Miniaturized Printed Wire Antennas Using Double-Layer Periodic Metallization
Antennas and Wireless Propagation Letters, IEEE(2007)
摘要
The design of miniaturized printed wire antennas using multilayer vias loaded periodic metallization is presented. The proposed structure is evolved from a periodic slow-wave transmission line, where each unit cell is made of a patch and two loops spread over two metal layers connected in series through vias. A section of the periodic metallization is used as a quarter-wave monopole antenna protruded over a truncated ground plane and fed by a microstrip line. The design prototype at 2.4 GHz band shows that it is possible to obtain 24% 10 dB bandwidth with 80% efficiency at an antenna length of 12 mm long without tuning inductors, more than a 50% reduction from a normal printed straight monopole.
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关键词
Wire,Metallization,Broadband antennas,Bandwidth,Dielectrics,Distributed parameter circuits,Power transmission lines,Antenna accessories,Transmission line antennas,Microstrip antennas
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