公开(公告)号：US11573274B2

公开(公告)日：2023-02-07

申请号：US17344091

申请日：2021-06-10

Applicant: Infineon Technologies AG

Inventor： Bernd Zimek ,  Hermann Hofer ,  Andreas Jaeger

IPC: G01R31/40 ,  G01S7/497 ,  G01S7/40 ,  G05F1/56

Abstract: The present disclosure relates to a detection circuit for detecting oscillations of a regulated supply signal. The detection circuit includes a filter circuit to filter the regulated supply signal in order to obtain a filtered supply signal. A peak value detector circuit is designed to detect an extremum of the filtered supply signal. A comparator circuit is designed to compare the detected extreme value with a threshold value and to indicate an understepping or exceedance of the threshold value.