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:
May. 05, 2026
Filed:
May. 29, 2024
Applicant:
Analog Devices International Unlimited Company, County Limerick, IE;
Inventors:
Gary A. Sapia, Soquel, CA (US);
Andrew J. Gardner, Santa Barbara, CA (US);
Marcello Criscione, London, GB;
Assignee:
Analog Devices International Unlimited Company, County Limerick, IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/24 (2006.01); H03F 1/02 (2006.01); H04B 1/16 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0233 (2013.01); H03F 3/245 (2013.01); H04B 1/1607 (2013.01); H03F 2200/105 (2013.01); H03F 2200/451 (2013.01);
Abstract
Aspects of this disclosure relate to generating a bias signal with magnetic field cancellation. A voltage modulator circuit can generate a bias voltage that tracks an envelope of a radio frequency signal. For example, the bias signal can track the envelope of the radio frequency signal that is amplified by a power amplifier on a symbol-by-symbol basis. The voltage modulator circuit includes one or more pairs of switches with magnetic field cancellation.