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. 04, 2023
Filed:
Jan. 29, 2021
Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;
Wei Xu, Austin, TX (US);
Ravi Kummaraguntla, Austin, TX (US);
Paul Wilson, Linlithgow, GB;
Mujo Kozak, Austin, TX (US);
Christian Larsen, Austin, TX (US);
John L. Melanson, Austin, TX (US);
Yongjie Cheng, Austin, TX (US);
Cirrus Logic, Inc., Austin, TX (US);
Abstract
A system may include a front end differential amplifier having two input terminals, two input resistors, each of the two input resistors coupled to a respective one of the two input terminals, and an input common mode biasing circuit for an output stage of the front end differential amplifier, the input common mode biasing circuit comprising two current sources configured to generate currents for biasing the output stage of the front end differential amplifier.