Investigation of a Compensated Rectangular Microstrip Antenna With Negative Capacitor and Negative Inductor for Bandwidth Enhancement

Author

Kaya, Adnan ; Yuksel, E.Y.

Author_Institution

Dept. of Electr. & Commun. Eng, Dokuz Eylul Univ., Izmir

Volume

55

Issue

5

fYear

2007

fDate

5/1/2007 12:00:00 AM

Firstpage

1275

Lastpage

1282

Abstract

New broadband impedance matching circuits used to increase the impedance bandwidth of the microstrip antennas for transmit applications are proposed and analyzed. A microstrip patch operating at 10.5 GHz having 12.2% bandwidth has been utilized as a reference antenna. The impedance bandwidth of the antenna has been enhanced by using negative capacitance and inductance compensation networks from 12.22% to 16.96% and 24.50%, respectively. In addition, it has been shown that the active compensation significantly improves the radiation pattern

Keywords

antenna radiation patterns; bandwidth allocation; broadband antennas; capacitance; impedance matching; microstrip antennas; 10.5 GHz; broadband impedance matching circuit; compensated rectangular antenna; impedance bandwidth; inductance compensation network; microstrip patch antenna; negative capacitance; radiation pattern; Bandwidth; Broadband antennas; Capacitance; Capacitors; Circuits; Impedance matching; Inductance; Inductors; Microstrip antennas; Transmitting antennas; Active matching; bandwidth improvement; negative capacitance; negative inductance;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/TAP.2007.895618

Filename

4200908