An X-band microstrip phase shifter using an electromagnetic bandgap backplane

Dowon Kim, Moonil Kim, Hao Xin, Jon B. Hacker

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A new microstrip compatible phase shifter circuit is introduced. The phase shifter uses a strip-type electromagnetic bandgap (EBG) substrate in place of the solid metal ground plane. Such EBG substrates, when made of ferroelectric materials, can produce variable phase constants useful for phase shifter applications. Test models using two different EBG substrates with dielectric constants of 9.2 and 10.2 showed 44.5 degrees of phase difference with 1.7 dB of added insertion loss at 10 GHz from a line originally 504 degrees long.

Original languageEnglish
Pages (from-to)2632-2635
Number of pages4
JournalIEICE Transactions on Communications
VolumeE88-B
Issue number6
DOIs
Publication statusPublished - 2005 Jun 1

Fingerprint

Phase shifters
Energy gap
Substrates
Insertion losses
Ferroelectric materials
Permittivity
Metals

Keywords

  • EBG
  • Electromagnetic bandgap
  • Microstrip phase shifter

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

An X-band microstrip phase shifter using an electromagnetic bandgap backplane. / Kim, Dowon; Kim, Moonil; Xin, Hao; Hacker, Jon B.

In: IEICE Transactions on Communications, Vol. E88-B, No. 6, 01.06.2005, p. 2632-2635.

Research output: Contribution to journalArticle

Kim, Dowon ; Kim, Moonil ; Xin, Hao ; Hacker, Jon B. / An X-band microstrip phase shifter using an electromagnetic bandgap backplane. In: IEICE Transactions on Communications. 2005 ; Vol. E88-B, No. 6. pp. 2632-2635.
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