Broad band antennas and feed methods
Abstract
Two or more Vivaldi antennas, consisting of two plates each, each with the antenna's natural impedance of approximately 100 ohms, are placed in parallel to achieve a 50 ohm impedance in the case of two antennas or other impedances (100/n ohms) for more than two antennas. A single Vivaldi antenna plate (half Vivaldi antenna) over a ground plane can also be used to achieve a 50 ohm impedance, or two or more single plates over a ground plane to achieve other impedances. Unbalanced 50 ohm transmission lines, e.g. coaxial cables, can be used to directly feed, the dual Vivaldi (four plate) antenna in a center fed angled center departure, or more desirably, a center fed offset departure configuration.
- Inventors:
- Issue Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1351814
- Patent Number(s):
- 9627777
- Application Number:
- 13/572,234
- Assignee:
- Lawrence Livermore National Security, LLC
- Patent Classifications (CPCs):
-
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01Q - ANTENNAS, i.e. RADIO AERIALS
- DOE Contract Number:
- AC52-07NA27344
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2012 Aug 10
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 24 POWER TRANSMISSION AND DISTRIBUTION
Citation Formats
Benzel, David M., and Twogood, Richard E. Broad band antennas and feed methods. United States: N. p., 2017.
Web.
Benzel, David M., & Twogood, Richard E. Broad band antennas and feed methods. United States.
Benzel, David M., and Twogood, Richard E. Tue .
"Broad band antennas and feed methods". United States. https://www.osti.gov/servlets/purl/1351814.
@article{osti_1351814,
title = {Broad band antennas and feed methods},
author = {Benzel, David M. and Twogood, Richard E.},
abstractNote = {Two or more Vivaldi antennas, consisting of two plates each, each with the antenna's natural impedance of approximately 100 ohms, are placed in parallel to achieve a 50 ohm impedance in the case of two antennas or other impedances (100/n ohms) for more than two antennas. A single Vivaldi antenna plate (half Vivaldi antenna) over a ground plane can also be used to achieve a 50 ohm impedance, or two or more single plates over a ground plane to achieve other impedances. Unbalanced 50 ohm transmission lines, e.g. coaxial cables, can be used to directly feed, the dual Vivaldi (four plate) antenna in a center fed angled center departure, or more desirably, a center fed offset departure configuration.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {4}
}
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