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NRD-Guide Passive Components and Devices for Millimeter Wave Wireless Applications
IEICE TRANSACTIONS on Electronics
Publication Date: 2007/12/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: Special Section INVITED PAPER (Special Section on Recent Technologies for Microwave and Millimeter-wave Passive Devices)
NRD-guide, millimeter waves, passive components, gigabit wireless, transceiver,
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Owing to simple structure, low cost and high performance, NRD-guide millimeter wave circuits have attracted much attention in recent years. In this paper, a variety of NRD-guide passive components are reviewed with emphasis on design techniques and performance estimation in the 60 GHz frequency band where the license-free advantage is available. The passive components to be discussed here include compact bends, wideband hybrid couplers, practical three-port junctions, versatile E-plane filters, and effective feeding structures for lens antennas. Some of them are employed to construct millimeter wave transceivers. Eye patterns observed at 1.5 Gbps confirm the potential ability of the fabricated NRD-guide transceivers for high bit-rate, wireless applications.