Differential amplifiers with improved slew performance

MR Elliott, JM Hensley - US Patent 9,899,965, 2018 - Google Patents
Disclosed herein are differential amplifiers for improved slew performance. In some
embodiments, a differential amplifier may receive positive and negative input signals at first …

Sigma-delta modulator

PH Seesink - US Patent 10,554,218, 2020 - Google Patents
(57) ABSTRACT A sigma-delta modulator and method for converting an input voltage such
as an analog signal into a digital signal is presented. The modulator may be used as an …

Circuit for suppressing audio output noise and audio output circuit

X Zhang - US Patent 9,525,937, 2016 - Google Patents
(57) ABSTRACT A circuit for Suppressing audio output noise and an audio output circuit are
provided. The circuit for Suppressing audio output noise includes: a detecting circuit …