A low-cost active antenna for short-range communication applications

Author

Carrez, Frédéric ; Stolle, Reinhard ; Vindevoghel, Jean

Author_Institution

I.E.M.N., Villeneuve d´´Asq, France

Volume

8

Issue

6

fYear

1998

fDate

6/1/1998 12:00:00 AM

Firstpage

215

Lastpage

217

Abstract

A low-cost active antenna to be used in a miniature microwave transponder is presented. This active antenna operating at 9.9 GHz consists of a compact microstrip array antenna of electromagnetically gap-coupled rectangular resonators and a novel ASK demodulator/differential phase-shift keying (DPSK) modulator circuit. In order to minimize the power consumption and to reduce the cost of the active antenna, this novel microwave circuit employs a single “cold” MESFET which performs both the modulator and demodulator functions. The original methods used to realize the active antenna provide high performance, size reduction, and low power consumption

Keywords

Schottky gate field effect transistors; active antenna arrays; amplitude shift keying; antenna radiation patterns; demodulators; differential phase shift keying; gallium arsenide; microstrip antenna arrays; modulators; resonators; 9.9 GHz; ASK demodulator/DPSK modulator circuit; GaAs; MESFET; compact microstrip array antenna; differential phase-shift keying; gap-coupled rectangular resonators; low power consumption; low-cost active antenna; miniature microwave transponder; short-range communication applications; Amplitude shift keying; Demodulation; Energy consumption; Microstrip antenna arrays; Microstrip antennas; Microstrip resonators; Microwave antennas; Microwave communication; Phased arrays; Transponders;

fLanguage

English

Journal_Title

Microwave and Guided Wave Letters, IEEE

Publisher

ieee

ISSN

1051-8207

Type

jour

DOI

10.1109/75.678568

Filename

678568