公开(公告)号：US20230208370A1

公开(公告)日：2023-06-29

申请号：US18171270

申请日：2023-02-17

Applicant: QUALCOMM Incorporated

Inventor： Mohamed ABOUZIED ,  Vinod PANIKKATH ,  Li LIU ,  Chuan WANG

IPC: H03F3/45 ,  H04B1/40

CPC classification number: H03F3/45475 ,  H04B1/40 ,  H03F2200/451 ,  H03F2200/294

Abstract: An aspect relates to an apparatus including a radio frequency (RF) signal power detector. The RF signal power detector includes a first current source configured to generate a first current based on a power level of a first RF signal; a transimpedance amplifier (TIA) configured to generate a first voltage based on the first current, wherein the TIA is coupled between a first upper voltage rail and a lower voltage rail; and a second current source configured to generate a second current related to the first current, wherein the first and second current sources are coupled in series between a second upper voltage rail and the lower voltage rail.

公开(公告)号：US20230091253A1

公开(公告)日：2023-03-23

申请号：US17481559

申请日：2021-09-22

Applicant: QUALCOMM INCORPORATED

Inventor： Chuan WANG ,  Li LIU ,  Bhushan Shanti ASURI ,  Gurkanwal Singh SAHOTA ,  Abdellatif BELLAOUAR ,  Vinod PANIKKATH

IPC: H03F1/02 ,  H03F3/24 ,  H03F3/21 ,  H04B1/405

Abstract: A transceiver interface for a phased array element includes a first magnetic circuit having a primary coil and a secondary coil, a second magnetic circuit having a primary coil, a secondary coil and a tertiary coil, a main amplifier path and an auxiliary amplifier path, the main amplifier path coupled to the primary coil of the second magnetic circuit and configured to receive a quadrature signal, the main amplifier path configured to provide a quadrature output signal, the auxiliary amplifier path coupled to the primary coil of the first magnetic circuit and configured to receive an in-phase signal, the auxiliary amplifier path configured to provide an in-phase output signal, a selectable output circuit configured to selectively combine the in-phase output signal and the quadrature output signal, and a low noise amplifier (LNA) coupled to the tertiary coil of the second magnetic circuit.

公开(公告)号：US20180167040A1

公开(公告)日：2018-06-14

申请号：US15607145

申请日：2017-05-26

Applicant: QUALCOMM Incorporated

Inventor： Serkan SAYILIR ,  Chuan WANG ,  Kevin Hsi Huai WANG

IPC: H03F3/191 ,  H03F3/30 ,  H03F3/26 ,  H03H7/48 ,  H03F3/00 ,  H03F3/72

CPC classification number: H03F3/191 ,  H03F3/211 ,  H03F3/68 ,  H03F3/72 ,  H03F2200/111 ,  H03F2200/294 ,  H03F2200/378 ,  H03F2200/541 ,  H03F2200/543 ,  H03H7/48 ,  H04B1/0067 ,  H04B1/18 ,  H04L5/001

Abstract: A wireless communication device includes a first low-noise amplifier (LNA). The wireless communication device also includes a first LNA load circuit coupled to an output of the LNA. The wireless communication device further includes a power splitter switchably coupled to the first LNA load circuit. The power splitter includes a negatively coupled transformer and is switchably coupled to multiple outputs.

公开(公告)号：US20170201408A1

公开(公告)日：2017-07-13

申请号：US15176105

申请日：2016-06-07

Applicant: QUALCOMM Incorporated

Inventor： Yunfei FENG ,  Chuan WANG ,  Dongling PAN ,  Chiewcharn NARATHONG

IPC: H04L27/26 ,  H03F3/195 ,  H03F3/24 ,  H04L5/00 ,  H03F3/193

CPC classification number: H04L27/2691 ,  H03F3/193 ,  H03F3/195 ,  H03F3/245 ,  H03F2200/171 ,  H03F2200/255 ,  H03F2200/294 ,  H03F2200/451 ,  H03F2200/534 ,  H04B1/401 ,  H04L5/0041

Abstract: Wireless receivers are configured to support carrier aggregation. A device may include at least one low-noise amplifier (LNA). The device may also include a first input path configured to convey a first signal to a first input of the at least one LNA(s), and a second input path configured to convey a second signal to a second input of the LNA(s). Further, the device may include a transformer configured to inductively couple the first input path to the second input path.