公开(公告)号：US20230421191A1

公开(公告)日：2023-12-28

申请号：US17897637

申请日：2022-08-29

Applicant: Silicon Laboratories Inc.

Inventor： Thomas Edward Voor ,  Jeffrey L. Sonntag ,  Richard Hendricks ,  Logan Lucas ,  Jeffrey Merrill ,  Hendricus De Ruijter ,  Luigi Panseri

IPC: H04B1/16 ,  H04B17/318

CPC classification number: H04B1/16 ,  H04B17/318

Abstract: In one aspect, a method comprises: comparing, in a comparator, a signal level of a receive radio frequency (RF) signal to a first threshold, the receive RF signal obtained from a controllable location in an RF front end circuit; and in response to the signal level of the receive RF signal exceeding the first threshold, causing the RF front end circuit to be reconfigured from a first mode in which an input to a low noise amplifier (LNA) is coupled an antenna to a second mode in which the input to the LNA is coupled to an RF filter.