DocumentCode
2229486
Title
An active inverted patch antenna with wideband varactor-tuned capability
Author
Lu Fan ; Kai Chang
Author_Institution
Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA
Volume
2
fYear
1996
fDate
17-21 June 1996
Firstpage
923
Abstract
A varactor-tuned inverted circular patch antenna has been developed with a power variation of /spl plusmn/1.0 dB over a 13 percent tuning bandwidth. A simple equivalent circuit has been used to model the active antenna, and the calculated results agree well with the experimental results. The circuit should have many commercial applications in wireless communications, radar, and sensors.
Keywords
Gunn diodes; active antennas; antenna radiation patterns; antenna theory; equivalent circuits; microstrip antennas; tuning; varactors; active inverted patch antenna; circular patch antenna; equivalent circuit; model; wideband varactor-tuned capability; Broadband antennas; Circuit optimization; Diodes; Frequency; Microstrip antenna arrays; Microstrip antennas; Patch antennas; Phased arrays; Tuning; Varactors;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Symposium Digest, 1996., IEEE MTT-S International
Conference_Location
San Francisco, CA, USA
ISSN
0149-645X
Print_ISBN
0-7803-3246-6
Type
conf
DOI
10.1109/MWSYM.1996.511178
Filename
511178
Link To Document