Analysis of planar inverted F antenna using spatial network method

Author

Tsunoda, K. ; Taga, T.

Author_Institution

ATR Opt. & Radio Commun. Res. Lab., Kyoto, Japan

fYear

1990

fDate

7-11 May 1990

Firstpage

664

Abstract

It is shown that the input impedance of the PIFA (planar inverted F antenna) can be calculated using the SNM (spatial network method). The transition characteristics of the resonant frequency and the bandwidth of the PIFA are described for various values of the shape ratio and the shorted width of the planar element. The calculated results are in close agreement with measured results when the analysis area is set large enough. It has been numerically clarified that the PIFA´s resonant frequency decreases with decrease of the shorted element width for various planar element size ratios L/sub 1//L/sub 2/, and the relative bandwidth decreases when the shorted element width, the antenna height, or the antenna size ratio L/sub 1//L/sub 2/ decreases.<>

Keywords

antenna theory; microstrip antennas; time-domain analysis; PIFA; analysis; bandwidth; planar inverted F antenna; resonant frequency; shorted microstrip antenna; shorted width; spatial network method; three-dimensional electromagnetic field time domain analysis; transition characteristics; Bandwidth; Conducting materials; Dielectric losses; Impedance; Microstrip antennas; Optical fiber networks; Optical resonators; Radio communication; Resonant frequency; Time domain analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 1990. AP-S. Merging Technologies for the 90's. Digest.

Conference_Location

Dallas, TX, USA

Type

conf

DOI

10.1109/APS.1990.115197

Filename

115197