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:
Jul. 15, 2003
Filed:
Mar. 28, 2002
Applicant:
Inventor:
Kenneth Robert Elliott, Thousand Oaks, CA (US);
Assignee:
HRL Laboratories, LLC, Malibu, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/66 ;
U.S. Cl.
CPC ...
H03M 1/66 ;
Abstract
A high unity current gain frequency composite switching device, having high voltage compliance and capable of handling high power signals. A current switch comprising of the composite switching devices including a switch stage implemented in a InP-HBT technology and a cascode stage implemented in a GaN FET technology. A digital-to-analog converter comprising a plurality of the current switches, wherein selected output of the switches are electrically coupled to form an output of the digital-to-analog converter.