Northrop Grumman Systems Corporation

Michael J Lee

Robert Miles Young

Matthew Russell King

Pavel Borodulin

Nabil Abdel-Meguid El-Hinnawy

Robert Samuel Howell

Ronald G Freitag

Brian Paul Wagner

John W Gipprich

Tapan K Gupta

Marc Eisenzweig Sherwin

Cynthia W Berry

Mike L Salib

Vincent G Karasack

Joseph A Faulkner

Benjamin R Myers

Brian T McMonagle

Gene A Digennaro

John R Mason, Jr

Harry V Guy, Iii

Dave M Krafcsik

Evan B Jones

Robert B Middleton

John P Vitamvas

Eric V Miller

Thomas M Walsh

Eric D Zirofsky

Kerron R Duncan

One embodiment of the invention includes a phase-change material switch. The switch includes a first terminal that receives an input signal and a second terminal. The switch includes an actuation portion that receives a control signal in one of a first state to emit a first heat profile and a second state to emit a second heat profile. The switch further includes a switch portion comprising a phase-change material arranged as a plurality of longitudinal strips that each interconnect the first terminal and the second terminal and that are each in proximity with the actuation portion. The phase-change material can be selectable between a conducting state in response to the first heat profile to conduct an input signal from the first terminal to the second terminal and a blocking state in response to the second heat profile to block the input signal from the first terminal to the second terminal.

Phase-change material distributed switch systems

A phase change material (PCM) switch is disclosed that includes a resistive heater element, and a PCM element proximate the resistive heater element. A thermally conductive electrical insulating barrier layer positioned between the PCM heating element and the resistive heating element, and conductive lines extend from ends of the PCM element and control lines extend from ends of the resistive heater element.

Phase change material switch and method of making the same

A multi-channel, dual-band, radio frequency (RF) transmit/receive (T/R) module, for an active electronically scanned array, is provided. The module includes a compact, RF manifold connector and at least four T/R channels. Each of the T/R channels includes a notch radiator, a diplexer coupled to the notch radiator, a power amplifier, including at least one dual-band gain stage, coupled to the notch radiator, a low noise amplifier, including at least one lower-band gain stage and at least one upper-band gain stage, coupled to the diplexer, and a T/R cell, including a phase shifter, a signal attenuator and at least one dual-band gain stage, coupled to the power amplifier, the low noise amplifier and the manifold connector.

Dual band quadpack transmit/receive module

Growing community of inventors

Linthicum, MD, United States of America

Michael J Lee