Title :
A novel scheme for reception using an active microstrip antenna
Author :
Biswas, B.N. ; Bhattacharya, A. ; Lahiri, P. ; Mondal, D.
Author_Institution :
Radionics Lab., Burdwan Univ., India
fDate :
10/1/2000 12:00:00 AM
Abstract :
An unique aspect of the injection-locked active microstrip antenna incorporating a Gunn diode, i.e., the variation of the device current within the lock band, is exploited for the demodulation of an FM microwave signal. A simple experimental arrangement has been presented to demonstrate the demodulation performance of the receiver even in a multichannel environment. Using two such separate antennas as transmitter and receiver, a two-way short-range communication system has been demonstrated that may be suited for certain commercial and military applications
Keywords :
Gunn oscillators; active antennas; demodulation; frequency modulation; injection locked oscillators; microstrip antennas; microwave oscillators; FM microwave signal; Gunn diode; active microstrip antenna; commercial applications; demodulation performance; injection-locked antenna; microwave signal reception; military applications; multichannel environment; receiver; transmitter; two-way short-range communication system; Demodulation; Diodes; Gunn devices; Microstrip antennas; Microwave antennas; Microwave devices; Military communication; Receiving antennas; Transmitters; Transmitting antennas;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
