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:
Jan. 23, 2024
Filed:
Jan. 06, 2021
Applicant:
Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;
Inventors:
David P. Singleton, Edinburgh, GB;
Andrew J. Howlett, Edinburgh, GB;
John B. Bowlerwell, Edinburgh, GB;
Assignee:
Cirrus Logic Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
H03F 3/45659 (2013.01); H03F 3/45179 (2013.01); H03F 3/45645 (2013.01); H03F 2200/03 (2013.01); H03F 2203/45084 (2013.01); H03F 2203/45402 (2013.01); H03F 2203/45592 (2013.01);
Abstract
The present disclosure relates to circuitry comprising audio amplifier circuitry for receiving an audio signal to be amplified; and first and second output nodes for outputting first and second differential output signals. The circuitry further comprises common mode buffer circuitry configured to receive a common mode voltage and to selectively output the common mode voltage to the first and second output nodes.