Microstrip log-periodic antenna array having grounded...

Details Microstrip log-periodic antenna array having grounded... Microstrip log-periodic antenna array having grounded...

2007-11-06

2007-11-06

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

Logarithmically periodic

C343S725000, C343S770000, C343S7000MS

Reexamination Certificate

active

11163119

ABSTRACT:
A log-periodic antenna having a layer of dielectric media interposed between a microstrip log-periodic portion and a slot log-periodic portion is described. Also described are antenna embodiments having a curvilinear, electrically conductive feed line and a substantially co-extensive curvilinear slot transmission line and additional embodiments including an array of two or more log-periodic antennas.

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Richard C. Johnson, “Antenna Engineering Handbook”, 1993, pp. 14-32 to 14-53, Third Edition, McGraw-Hill, Inc.
Gauthier, G. et al.: W-Band Finite Ground Coplanar Waveguide (FGCPW) to Microstrip Line Transition.In:IEEE Microwave Digital Archive 1953-2000, 1998 IEEE, [CD-ROM]. Ref. No. 0-7803-4471-5/98
Wiatr, W.: Coplanar-Waveguide-To-Microstrip Transition Model. In : IEEE Microwave Digital Archive 1953-2000, 2000 IEEE, [CD-ROM]. Ref. No. 0-7803-5135-X/00.
Ellis, T. et al.:A Wideband CPW-to-Microstrip Transition For Millimeter-Wave Packaging. In: IEEE Microwave Digital Archive 1953-2000, 1999 IEEE,[CD-ROM]. Ref. No. 0-7803-5135-5/99.
Godshalk, E. et al.: Charaterization Of Surface Mount Packages At Microwave Frequencies Using Wafer Probes. In : IEEE Microwave Digital Archive 1953-2000, 2000 IEEE, [CD-ROM]. Ref. No. 0-7803-5687-X/00.
Raskin, J., Mode Conversion at GCPW-to- Microstrip-Line Transitions, IEEE, Jan. 2000, pp. 158-160, vol. 48, No. 1, Ref. No. 0018-9480/00.

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