Title :
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
fDate :
5/1/2007 12:00:00 AM
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;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2007.895618
