A bi-directional quasi-optical lens amplifier

A bi-directional quasi-optical lens amplifier

A 24-element bi-directional quasi-optical lens amplifier array is presented. The lens amplifier array is designed for X-band, and operates in transmission mode. Single-pole double-throw (SPDT) switches are used to switch between transmit and receive amplifiers. The lens amplifier array demonstrates...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1997-12, Vol.45 (12), p.2352-2357, Article 2352
Hauptverfasser: Hollung, S., Cox, A.E., Popovic, Z.B.
Format: Artikel
Sprache:eng
Schlagworte:
Antenna measurements
Bidirectional control
Circuits
Feeds
Impedance
Lenses
Loss measurement
Microstrip antennas
Slot antennas
Switches
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Beschreibung
Zusammenfassung:A 24-element bi-directional quasi-optical lens amplifier array is presented. The lens amplifier array is designed for X-band, and operates in transmission mode. Single-pole double-throw (SPDT) switches are used to switch between transmit and receive amplifiers. The lens amplifier array demonstrates gains of 5.5 dB at 10.1 GHz in receive mode, and 2 dB at 10.2 GHz in transmit mode, with more than 15-dB ON/OFF isolation. Several applications for the lens amplifier array are demonstrated: a quasi-optical transceiver front-end, reduction of multipath fading, and a multiuser frequency reuse application.
ISSN:0018-9480
1557-9670
DOI:10.1109/22.643843