SBIR/STTR Research Award

Use of Metallic Patches as Frequency Tunable Antennae

Award identifier 7d4876ea6cfec38a9ac43d272670c7490b9ec1bdf740cb4e48aea90c461cef48Awarding agency Department of Defense · Missile Defense Agency

Award amount

$49,220

Program and phase

SBIR · Phase I

Award year

1992

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Award details

Awarding agency
Department of Defense
Branch
Missile Defense Agency
Recipient company
ElectroMagnetic Applications, Inc.
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

METALLIC PATCHES DEPOSITED ON FERRITE FILMS CAN BE DIRECTLY USED AS FREQUENCY TUNABLE ANTENNAS. FERRITE PATCH ANTENNAS RADIATE CIRCULARLY POLARIZED WAVES SO THAT 3 dB LOSS DUE TO POLARIZATION MISMATCH CAN BE AVOIDED WHEN USED AS RECEIVERS. BY VARYING THE BIASING MAGNETIC FIELD THE RADIATION PATTERN CAN BE CONTINOUSLY CHANGED. THIS MODULATION TECHNIQUE WILL ENHANCE THE SIGNAL-TO-NOISE RATIO IN THE TRANSMISSION OF SIGNALS BY PATCH ANTENNAS. IN PHASE I, ELECTROMAGNETIC APPLICATIONS, INC. WILL CALCULATE THE RADIATION PATTERNS FOR PATCH ANTENNAS CONSISTING OF FERRITE-DIELECTRIC MATERIALS. INPUT IMPEDANCES AS WELL AS TRANSMISSION BANDWIDTHS WILL ALSO BE CALCULATED. IN ADDITION, AN EXPERIMENTAL PROGRAM IN WHICH FABRICATION AND CHARACTERIZATION OF FERRITE PATCH ANTENNAS WILL BE INITIATED.

Technology keywords

Not reported

Agency intelligence

Department of Defense

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