公开(公告)号：US11606070B1

公开(公告)日：2023-03-14

申请号：US17470191

申请日：2021-09-09

Applicant: QUALCOMM Incorporated

Inventor： Mohamed Abouzied ,  Vinod Panikkath ,  Li Liu ,  Chuan Wang

IPC: H03F3/45 ,  H04B1/40

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：US10581385B2

公开(公告)日：2020-03-03

申请号：US16519877

申请日：2019-07-23

Applicant: QUALCOMM Incorporated

Inventor： Makar Snai ,  Manohar Seetharam ,  Ehab Abdel Ghany ,  Vinod Panikkath

IPC: H03F1/26 ,  H04B1/16 ,  H03F3/193 ,  H04B1/10

Abstract: Certain aspects of the present disclosure are directed to a circuit for signal processing. The circuit generally includes a first transformer having a first inductive element magnetically coupled with a second inductive element, and a second transformer having a third inductive element magnetically coupled with a fourth inductive element, wherein the first inductive element is coupled in series with the third inductive element. In certain aspects, the circuit also includes a first switch coupled in parallel with the third inductive element, a capacitive element coupled in parallel with the fourth inductive element, wherein a notch is formed at least by the capacitive element and the fourth inductive element, the notch circuit coupled in series with the second inductive element, and a second switch coupled in parallel with the fourth inductive element.

公开(公告)号：US10454509B2

公开(公告)日：2019-10-22

申请号：US15962865

申请日：2018-04-25

Applicant: QUALCOMM Incorporated

Inventor： Bhushan Shanti Asuri ,  Krishnaswamy Thiagarajan ,  Ashok Swaminathan ,  Shahin Mehdizad Taleie ,  Yen-Wei Chang ,  Vinod Panikkath ,  Sameer Vasantlal Vora ,  Ayush Mittal ,  Tonmoy Biswas ,  Sy-Chyuan Hwu ,  Zhilong Tang ,  Ibrahim Chamas ,  Ping Wing Lai ,  Behnam Sedighi ,  Dongwon Seo ,  Nitz Saputra

IPC: H04B1/04 ,  H04L27/20 ,  H04B1/00

Abstract: A communication circuit may include a first pair of digital-to-analog converters (DACs) coupled to an input of a first mixer and configured to generate first baseband signals. The communication circuit may further include a second pair of DACs coupled to an input of a second mixer and configured to generate second baseband signals. The second baseband signals may be shifted in phase relative to the first baseband signals.

公开(公告)号：US10419045B1

公开(公告)日：2019-09-17

申请号：US16047563

申请日：2018-07-27

Applicant: QUALCOMM Incorporated

Inventor： Makar Snai ,  Manohar Seetharam ,  Ehab Abdel Ghany ,  Vinod Panikkath

IPC: H04B1/04 ,  H04B1/10 ,  H04B1/18 ,  H04B1/00

Abstract: Certain aspects of the present disclosure generally relate to a circuit for signal processing. The circuit generally includes a first transformer having a first inductive element magnetically coupled with a second inductive element, and a second transformer having a third inductive element magnetically coupled with a fourth inductive element. In certain aspects, the first inductive element may be coupled in series with the third inductive element. In certain aspects, the circuit also includes a capacitive element coupled in parallel with the fourth inductive element, the capacitive element and the fourth inductive element forming a notch circuit, the notch circuit coupled in series with the second inductive element.

公开(公告)号：US12255586B2

公开(公告)日：2025-03-18

申请号：US18060295

申请日：2022-11-30

Applicant: Qualcomm Incorporated

Inventor： Mohamed Abouzied ,  Chuan Wang ,  Anosh Davierwalla ,  Muhammad Hassan ,  Vinod Panikkath ,  Li Liu

IPC: H03D7/14 ,  H04B17/21

Abstract: An apparatus is disclosed for oscillator feedthrough calibration, such as a component arrangement that can be calibrated to account for signal leakage from an oscillator coupled to a mixer circuit. In example aspects, the apparatus includes a mixer circuit having a first stage, a second stage, and tuning circuitry. The first stage includes at least one transistor coupled between a mixer input and a mixer output. The second stage includes one or more transistors coupled between the at least one transistor of the first stage and the mixer output. The one or more transistors are also coupled between a local oscillator signal input and the mixer output. The tuning circuitry includes at least one current source coupled to the at least one transistor of the first stage.

公开(公告)号：US11942971B2

公开(公告)日：2024-03-26

申请号：US17686794

申请日：2022-03-04

Applicant: QUALCOMM Incorporated

Inventor： Chuan Wang ,  Li Liu ,  Wu-Hsin Chen ,  Vinod Panikkath ,  Yunfei Feng ,  Muhammad Hassan

IPC: H04B1/00 ,  H04B1/04 ,  H04B1/10

CPC classification number: H04B1/0057 ,  H04B1/0035 ,  H04B1/0483 ,  H04B2001/0408

Abstract: Aspects described herein include devices and methods with chain routing of signals for massive antenna arrays. In some aspects, an apparatus is provided that includes a first millimeter wave (mmW) transceiver having a first port, a second port, one or more antenna elements, a plurality of chain mmW transceiver ports, and switching circuitry. The switching circuitry is controllable by control data to route portions of a merged clock and data signal and a merged control and data signal between a first route between the one or more antenna elements and the first port and a second route between the one or more antenna elements and the second port and a third route between the first port and the plurality of chain mmW transceiver ports and a fourth route between the second port and the plurality of chain mmW transceiver ports.

公开(公告)号：US12301170B2

公开(公告)日：2025-05-13

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 ,  H03F3/21 ,  H03F3/24 ,  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：US12255663B2

公开(公告)日：2025-03-18

申请号：US18185325

申请日：2023-03-16

Applicant: QUALCOMM Incorporated

Inventor： Masoud Moslehi Bajestan ,  Arpit Gupta ,  Wu-Hsin Chen ,  Vinod Panikkath

IPC: H03L7/099 ,  H03L1/02 ,  H03L7/087

Abstract: In certain aspects, a system includes a voltage-controlled oscillator (VCO), a phase detector configured to receive a reference signal, a frequency divider coupled between an output of the VCO and the phase detector, a phase-to-current circuit coupled to an output of the phase detector, and a temperature circuit configured to output a temperature-dependent voltage. The system also includes a switching circuit configured to selectively couple the phase-to-current circuit to an input of the VCO and configured to selectively couple the temperature circuit to the input of the VCO.

公开(公告)号：US11979123B2

公开(公告)日：2024-05-07

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 ,  H03F2200/294 ,  H03F2200/451

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：US12267090B2

公开(公告)日：2025-04-01

申请号：US17934784

申请日：2022-09-23

Applicant: QUALCOMM Incorporated

Inventor： Wu-Hsin Chen ,  Yunfei Feng ,  Vinod Panikkath ,  Li Liu ,  Sher Jiun Fang

IPC: H04B1/00 ,  H03H7/01 ,  H04B1/10

Abstract: Aspects of the disclosure relate to wireless communication apparatuses, methods, and other aspects of sliding intermediate frequency filters for carrier aggregation communications. One aspect a high band mixer including a radio frequency (RF) receive signal input, a local oscillator (LO) input, and an IF signal output, a tunable high pass filter including an input and an output, an intermediate frequency (IF) received signal multiplexer including a merged IF CA signal output, a first input, and a second input, an LO input, and an IF signal output, where the RF receive signal input is coupled to the low band mmW CA receive port, and a tunable low pass filter including an input and an output, where the input is coupled to the IF signal output of the low band mixer, and where the output is coupled to the second input of the IF received signal multiplexer.