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.:

US 7019593 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 28, 2006

Filed:

Dec. 26, 2003
Applicants:

Nuntha Kumar Krishnasamy Maniam, Singapore, SG;

Yong Zhong Xiong, Singapore, SG;

Inventors:

Nuntha Kumar Krishnasamy Maniam, Singapore, SG;

Yong Zhong Xiong, Singapore, SG;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

Circuits, such as a cascode amplifier or low noise amplifier, having terminals and a voltage-controlled and variable inductive load are disclosed. Any such circuit comprises an output terminal and a voltage-controlled and variable inductive loading network. The voltage-controlled and variable inductive loading network comprises a primary inductor having a first primary inductor terminal for coupling to a supply voltage, a second primary inductor terminal coupled to the output terminal, a secondary inductor sharing mutual inductance with the first inductor, and a variable resistance device having one terminal connected to a first secondary inductor terminal and another terminal connected to a second secondary inductor terminal, wherein the variable resistance device being dependant on mutual induction between the primary and secondary inductors provides loading at the output terminal.


Find Patent Forward Citations

Krishnasamy Maniam, Nuntha. (2006). Variable-gain cascode amplifier using voltage-controlled and variable inductive load (U.S. Patent No. 7019593). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7019593

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