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:
Jun. 30, 2026
Filed:
Jul. 09, 2024
Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;
John P. Lesso, Edinburgh, GB;
John L. Melanson, Austin, TX (US);
Cirrus Logic Inc., Austin, TX (US);
Abstract
This application relates to modulator circuits for driving switching output stages in a class-D amplifier system or the like. The switching output stage has an output node and high-side and low-side switches for selectively connecting the output node to respective high-side and low-side voltages and is configured to be operable in a continuous conduction mode of operation, in which there is always an output current flowing throughout a switching cycle and also in a discontinuous conduction mode of operation where there is a period in each switching cycle where there is no output current. The modulator circuit comprises a compensator operable to apply compensation, in the discontinuous conduction mode of operation, to at least partly compensate for a non-linearity when operating in the discontinuous conduction mode.