公开(公告)号：US10419047B1

公开(公告)日：2019-09-17

申请号：US16225722

申请日：2018-12-19

Applicant: Silicon Laboratories Inc.

Inventor： Carl Harry Alelyunas ,  Russell Croman ,  Thomas Glen Ragan ,  Tarang Shah

IPC: H04B1/10 ,  H04B1/00

Abstract: In one embodiment, a noise cancellation circuit includes: a window generator to generate a window having a first set of samples; a band splitter to split the window into pairs of symmetric frequency components; a processing circuit, for each of the pairs, to: compare a first magnitude of a first symmetric frequency component to a second magnitude of a second symmetric frequency component and modify one of the components based at least in part on the comparison; an integrator to integrate the pairs output from the processing circuit; and a second window generator to generate a second window having a second set of samples.