Raytheon Company

L-3 Communications Corporation

Gregory Dean McIntire

George Zohn Hutcheson

Cyrus E Clark

An electronic system comprising: 1) an antenna; 2) a transmission line coupled to the antenna; 3) RF electronics circuitry coupled to the transmission line that is sensitive to a high frequency EMI/RF signal on the transmission line; and 4) a protection circuit comprising passive mode circuitry operational when the electronic system is powered off and active mode circuitry operational when the electronic system is powered on.

Combined active and passive high-power RF protection circuit

A system for transmitting and receiving signals includes an array system of one or more active electronically scanned arrays. The array system includes a receive portion of a first number of receive elements and a transmit-receive portion of a second number of transmit-receive elements. A transmit-receive element includes monolithic microwave integrated circuit power amplifiers and low-loss miniature combiners. A signal processing system processes signals. A beam forming system generates receive beams of the receive elements. A receive beam has a receive beam beamwidth that is less than a transmit beam beamwidth of a transmit beam of the transmit-receive elements.

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Princeton, TX, United States of America

Gregory Dean McIntire