公开(公告)号：US20240154406A1

公开(公告)日：2024-05-09

申请号：US17983261

申请日：2022-11-08

Applicant: QUALCOMM Incorporated

Inventor： George Pete IMTHURN ,  Woojin CHOI ,  Maurice Adrianus DE JONGH ,  Jeffrey Donald MILLER ,  Qingqing LIANG

IPC: H02H9/04

CPC classification number: H02H9/046

Abstract: A radio frequency (RF) device is described. The RF device includes a first RF switch coupled in series to a first RF port and coupled in parallel to an RF common (RFC) port. The RF device also includes an electrostatic discharge (ESD) dissipation switch coupled to the RF common port. The ESD dissipation switch includes a switch field effect transistor (FET). The switch FET includes a gate on an active layer of a substrate, and a symmetric silicide area block (SAB) on a first sidewall spacer and a second sidewall spacer, opposite the first sidewall spacer, and on a gate surface of the gate, opposite the active layer of the substrate.

公开(公告)号：US20180204101A1

公开(公告)日：2018-07-19

申请号：US15607103

申请日：2017-05-26

Applicant: QUALCOMM Incorporated

Inventor： Maurice Adrianus DE JONGH ,  Jiri STULEMEIJER ,  Perry Wyan LOU ,  Clint KEMERLING ,  David Loweth WINSLOW ,  Anton ARRIAGADA

IPC: G06K19/07 ,  G06K19/073 ,  G06K19/077 ,  G08B13/14 ,  H03B19/05 ,  H01Q1/22

CPC classification number: G06K19/0725 ,  G06K19/073 ,  G06K19/07309 ,  G06K19/07773 ,  G08B13/1454 ,  H01Q1/2225 ,  H03B19/05 ,  H04B1/0458 ,  H04W52/04

Abstract: An antenna tuning circuit achieves robust performance in a closed loop antenna tuning system due to the addition of protection circuits. In one instance, a protection circuit to detect an overload condition based on a threshold value may be included in the antenna tuning circuit. The antenna tuning circuit also includes a protection state register coupled to the protection circuit to store one or more safe states of operation to which the circuit is restored in response to detecting the overload condition. The antenna tuning circuit also includes a bus interface coupled to the protection state register to transmit an indication of a state of operation of the circuit to an external tuning control device coupled to the circuit and to receive pre-defined protection actions from the external tuning control device in response to the indication of the state of operation.

公开(公告)号：US20210234561A1

公开(公告)日：2021-07-29

申请号：US17161352

申请日：2021-01-28

Applicant: QUALCOMM INCORPORATED

Inventor： Maurice Adrianus DE JONGH ,  Anton ARRIAGADA ,  Juseok BAE ,  Daniel FILIPOVIC

IPC: H04B1/00 ,  H04B1/44 ,  H04B1/401

Abstract: An antenna tuner includes a control core, a switch logic coupled to the control core, the switch logic comprising a variable off-capacitance, and an electrical coupling coupled to the switch logic, the electrical coupling configured to connect the switch logic to an antenna system.