Abstract

A model of the input impedance of the toroidal permeable antenna, which is the dual of the conventional metal loop antenna, is derived, starting from Schelkunoff's transmission line description of the loop antenna instead of the electrically small limit model. The input impedance for the dipole mode is expressed in a form that has a frequency independent resistor terminating a reactive network which is called the Darlington form. Since such a circuit mimics the input impedance of the dipole modes of the spherical mode expansion, it works very well as we go beyond the electrically small limit even for magnetic antennas as large as multiple wavelengths. The realistic feed loop contribution is explicitly accounted for and results are compared with fullwave simulations of a typical toroidal antenna which shows good agreement well beyond the electrically small limit.

Original languageEnglish (US)
Title of host publication2017 IEEE Antennas and Propagation Society International Symposium, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2241-2242
Number of pages2
Volume2017-January
ISBN (Electronic)9781538632840
DOIs
StatePublished - Oct 18 2017
Event2017 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2017 - San Diego, United States
Duration: Jul 9 2017Jul 14 2017

Other

Other2017 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2017
CountryUnited States
CitySan Diego
Period7/9/177/14/17

Fingerprint

high gain
loop antennas
Loop antennas
antennas
impedance
Antennas
bandwidth
Bandwidth
products
dipoles
stopping
resistors
Resistors
transmission lines
Electric lines
Wavelength
expansion
Networks (circuits)
Metals
wavelengths

Keywords

  • Antenna theory
  • Closed form models
  • Conformal antennas
  • High efficiency
  • Magnetic antennas
  • Wideband antennas

ASJC Scopus subject areas

  • Radiation
  • Computer Networks and Communications
  • Instrumentation

Cite this

Yousefi, T., & Diaz, R. (2017). Closed-form model of extremely thin conformal magnetic antenna with high Gain-Bandwidth Product. In 2017 IEEE Antennas and Propagation Society International Symposium, Proceedings (Vol. 2017-January, pp. 2241-2242). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APUSNCURSINRSM.2017.8073163

Closed-form model of extremely thin conformal magnetic antenna with high Gain-Bandwidth Product. / Yousefi, Tara; Diaz, Rodolfo.

2017 IEEE Antennas and Propagation Society International Symposium, Proceedings. Vol. 2017-January Institute of Electrical and Electronics Engineers Inc., 2017. p. 2241-2242.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yousefi, T & Diaz, R 2017, Closed-form model of extremely thin conformal magnetic antenna with high Gain-Bandwidth Product. in 2017 IEEE Antennas and Propagation Society International Symposium, Proceedings. vol. 2017-January, Institute of Electrical and Electronics Engineers Inc., pp. 2241-2242, 2017 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APSURSI 2017, San Diego, United States, 7/9/17. https://doi.org/10.1109/APUSNCURSINRSM.2017.8073163
Yousefi T, Diaz R. Closed-form model of extremely thin conformal magnetic antenna with high Gain-Bandwidth Product. In 2017 IEEE Antennas and Propagation Society International Symposium, Proceedings. Vol. 2017-January. Institute of Electrical and Electronics Engineers Inc. 2017. p. 2241-2242 https://doi.org/10.1109/APUSNCURSINRSM.2017.8073163
Yousefi, Tara ; Diaz, Rodolfo. / Closed-form model of extremely thin conformal magnetic antenna with high Gain-Bandwidth Product. 2017 IEEE Antennas and Propagation Society International Symposium, Proceedings. Vol. 2017-January Institute of Electrical and Electronics Engineers Inc., 2017. pp. 2241-2242
@inproceedings{8109fae796844833aa26d910d4f3e670,
title = "Closed-form model of extremely thin conformal magnetic antenna with high Gain-Bandwidth Product",
abstract = "A model of the input impedance of the toroidal permeable antenna, which is the dual of the conventional metal loop antenna, is derived, starting from Schelkunoff's transmission line description of the loop antenna instead of the electrically small limit model. The input impedance for the dipole mode is expressed in a form that has a frequency independent resistor terminating a reactive network which is called the Darlington form. Since such a circuit mimics the input impedance of the dipole modes of the spherical mode expansion, it works very well as we go beyond the electrically small limit even for magnetic antennas as large as multiple wavelengths. The realistic feed loop contribution is explicitly accounted for and results are compared with fullwave simulations of a typical toroidal antenna which shows good agreement well beyond the electrically small limit.",
keywords = "Antenna theory, Closed form models, Conformal antennas, High efficiency, Magnetic antennas, Wideband antennas",
author = "Tara Yousefi and Rodolfo Diaz",
year = "2017",
month = "10",
day = "18",
doi = "10.1109/APUSNCURSINRSM.2017.8073163",
language = "English (US)",
volume = "2017-January",
pages = "2241--2242",
booktitle = "2017 IEEE Antennas and Propagation Society International Symposium, Proceedings",
publisher = "Institute of Electrical and Electronics Engineers Inc.",

}

TY - GEN

T1 - Closed-form model of extremely thin conformal magnetic antenna with high Gain-Bandwidth Product

AU - Yousefi, Tara

AU - Diaz, Rodolfo

PY - 2017/10/18

Y1 - 2017/10/18

N2 - A model of the input impedance of the toroidal permeable antenna, which is the dual of the conventional metal loop antenna, is derived, starting from Schelkunoff's transmission line description of the loop antenna instead of the electrically small limit model. The input impedance for the dipole mode is expressed in a form that has a frequency independent resistor terminating a reactive network which is called the Darlington form. Since such a circuit mimics the input impedance of the dipole modes of the spherical mode expansion, it works very well as we go beyond the electrically small limit even for magnetic antennas as large as multiple wavelengths. The realistic feed loop contribution is explicitly accounted for and results are compared with fullwave simulations of a typical toroidal antenna which shows good agreement well beyond the electrically small limit.

AB - A model of the input impedance of the toroidal permeable antenna, which is the dual of the conventional metal loop antenna, is derived, starting from Schelkunoff's transmission line description of the loop antenna instead of the electrically small limit model. The input impedance for the dipole mode is expressed in a form that has a frequency independent resistor terminating a reactive network which is called the Darlington form. Since such a circuit mimics the input impedance of the dipole modes of the spherical mode expansion, it works very well as we go beyond the electrically small limit even for magnetic antennas as large as multiple wavelengths. The realistic feed loop contribution is explicitly accounted for and results are compared with fullwave simulations of a typical toroidal antenna which shows good agreement well beyond the electrically small limit.

KW - Antenna theory

KW - Closed form models

KW - Conformal antennas

KW - High efficiency

KW - Magnetic antennas

KW - Wideband antennas

UR - http://www.scopus.com/inward/record.url?scp=85042193478&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85042193478&partnerID=8YFLogxK

U2 - 10.1109/APUSNCURSINRSM.2017.8073163

DO - 10.1109/APUSNCURSINRSM.2017.8073163

M3 - Conference contribution

VL - 2017-January

SP - 2241

EP - 2242

BT - 2017 IEEE Antennas and Propagation Society International Symposium, Proceedings

PB - Institute of Electrical and Electronics Engineers Inc.

ER -