The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 1998
Filed:
Sep. 05, 1996
Thomas R Turlington, Linthicum, MD (US);
Patrick G Farrell, Baltimore, MD (US);
Gerald K Kane, Stevensville, MD (US);
Gary L Ferrell, Pasadena, MD (US);
Scott K Suko, Elkridge, MD (US);
Joseph A Faulkner, Ellicott City, MD (US);
Gregory K Sinon, Dayton, MD (US);
Francis W Hopwood, Severna Park, MD (US);
Andrew J Piloto, Columbia, MD (US);
Northrop Grumman Corporation, Los Angeles, CA (US);
Abstract
A T/R module including a multilevel, multichip microwave package having a plurality of gallium arsenide monolithic microwave integrated circuit chips (MMICs) implementing RF switching elements, a variable phase shifter, a plurality of RF amplifiers, and gain trim attenuators and which are located on a planar RF assembly. The module's architecture includes shared or common MMIC circuit elements during both transmit and receive operation modes thus reducing the number of MMICs required while at the same time preloading the supply voltage regulator-modulator which supplies DC power to all the MMIC circuits without degrading T/R module efficiency.