A Heterodyne-Scan Phased-Array Antenna

M. Kim; J. B. Hackei; A. L. Sailer; J. H. Hong

doi:10.1109/75.819423

A Heterodyne-Scan Phased-Array Antenna

M. Kim, J. B. Hackei, A. L. Sailer, J. H. Hong

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

A new phased-array antenna system concept for narrow-band frequency beam steering is introduced. The phase shift between neighboring antennas in the array is controlled by changing the frequency of the signal traveling along fixed delay lines in a series feed network. Diode mixers are added before each antenna to convert the frequency of the control signal to a constant radiating frequency. A complete transmit system, using microstrip patch antennas, was built on a 4 × 6 in2 printed circuit board for an X-band demonstration. As the control frequency was swept from 15.1 to 18.4 GHz, the beam was steered from -52 to +46 degrees with the peak power density variation of 5 dB, mainly due to nonuniform mixer conversion loss at different control frequencies.

Original language	English
Pages (from-to)	535-537
Number of pages	3
Journal	IEEE Microwave and Guided Wave Letters
Volume	9
Issue number	12
DOIs	https://doi.org/10.1109/75.819423
Publication status	Published - 1999 Dec

Keywords

Beam steering
heterodyne-scan
phased array antenna

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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10.1109/75.819423

Cite this

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title = "A Heterodyne-Scan Phased-Array Antenna",

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AB - A new phased-array antenna system concept for narrow-band frequency beam steering is introduced. The phase shift between neighboring antennas in the array is controlled by changing the frequency of the signal traveling along fixed delay lines in a series feed network. Diode mixers are added before each antenna to convert the frequency of the control signal to a constant radiating frequency. A complete transmit system, using microstrip patch antennas, was built on a 4 × 6 in2 printed circuit board for an X-band demonstration. As the control frequency was swept from 15.1 to 18.4 GHz, the beam was steered from -52 to +46 degrees with the peak power density variation of 5 dB, mainly due to nonuniform mixer conversion loss at different control frequencies.

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A Heterodyne-Scan Phased-Array Antenna

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Keywords

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