Sherif Galal

Person

Irvine, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Power amplifier management
- Patent number 12,107,552
- Issue date Oct 1, 2024
- QUALCOMM Incorporated
- Earl Schreyer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dynamic common-mode adjustment for power amplifiers
- Patent number 12,028,030
- Issue date Jul 2, 2024
- QUALCOMM Incorporated
- Dongyang Tang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage-to-current architecture and error
- Patent number 11,885,836
- Issue date Jan 30, 2024
- QUALCOMM Incorporated
- Ramkumar Sivakumar
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Hybrid class-H/predictive class-G switching amplifier architecture
- Patent number 11,876,493
- Issue date Jan 16, 2024
- QUALCOMM Incorporated
- Subbarao Surendra Chakkirala
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class-D amplifier with deadtime distortion compensation
- Patent number 11,683,015
- Issue date Jun 20, 2023
- QUALCOMM Incorporated
- ChienChung Yang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage-to-current architecture and error correction schemes
- Patent number 11,536,749
- Issue date Dec 27, 2022
- QUALCOMM Incorporated
- Ramkumar Sivakumar
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Current limiting for a boost converter
- Patent number 11,424,672
- Issue date Aug 23, 2022
- QUALCOMM Incorporated
- Pradeep Silva
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Enhancing speaker protection accuracy
- Patent number 11,374,542
- Issue date Jun 28, 2022
- QUALCOMM Incorporated
- Khaled Mahmoud Abdelfattah Aly
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Clamp circuit
- Patent number 11,307,604
- Issue date Apr 19, 2022
- QUALCOMM Incorporated
- Kshitij Yadav
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pre-drive level shifter with compact bias generator
- Patent number 11,133,792
- Issue date Sep 28, 2021
- QUALCOMM Incorporated
- Qubo Zhou
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Delay circuit that accurately maintains input duty cycle
- Patent number 10,944,385
- Issue date Mar 9, 2021
- QUALCOMM Incorporated
- Subbarao Surendra Chakkirala
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Class-H switching amplifier circuit having supply voltage proportio...
- Patent number 10,326,405
- Issue date Jun 18, 2019
- QUALCOMM Incorporated
- Sherif Galal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Preventing distortion in a differential power amplifier
- Patent number 10,110,175
- Issue date Oct 23, 2018
- QUALCOMM Incorporated
- Khaled Abdelfattah
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Differential class-D amplifier
- Patent number 9,742,366
- Issue date Aug 22, 2017
- QUALCOMM Incorporated
- Sherif Galal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Speaker protection circuit with improved accuracy
- Patent number 9,473,851
- Issue date Oct 18, 2016
- QUALCOMM Incorporated
- Sherif Galal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power-efficient multi-mode charge pump
- Patent number 8,829,979
- Issue date Sep 9, 2014
- Broadcom Corporation
- Sherif Galal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Quiescent control circuit for providing control current for an ampl...
- Patent number 8,766,722
- Issue date Jul 1, 2014
- Broadcom Corporation
- Sherif Galal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class-AB/B amplifier with quiescent control circuit
- Patent number 8,665,023
- Issue date Mar 4, 2014
- Broadcom Corporation
- Sherif Galal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier with reduced on/off transient and multi-point offset comp...
- Patent number 8,482,347
- Issue date Jul 9, 2013
- Broadcom Corporation
- Iuri Mehr
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Class-AB/B amplifier and quiescent control circuit for implementati...
- Patent number 8,294,518
- Issue date Oct 23, 2012
- Broadcom Corporation
- Sherif Galal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bias circuit with increased power supply rejection
- Patent number 7,622,994
- Issue date Nov 24, 2009
- Broadcom Corporation
- Sherif Galal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Active load with adjustable common-mode level
- Patent number 7,474,151
- Issue date Jan 6, 2009
- Broadcom Corporation
- Venugopal Gopinathan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Active load with adjustable common-mode level
- Patent number 7,282,994
- Issue date Oct 16, 2007
- Broadcom Corporation
- Venugopal Gopinathan
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
ADAPTIVELY ADJUSTING AN INPUT CURRENT LIMIT FOR A BOOST CONVERTER
- Publication number 20230300524
- Publication date Sep 21, 2023
- QUALCOMM Incorporated
- Subbarao Surendra CHAKKIRALA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HYBRID CLASS-H/PREDICTIVE CLASS-G SWITCHING AMPLIFIER ARCHITECTURE
- Publication number 20230253934
- Publication date Aug 10, 2023
- QUALCOMM Incorporated
- Subbarao Surendra CHAKKIRALA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DYNAMIC COMMON-MODE ADJUSTMENT FOR POWER AMPLIFIERS
- Publication number 20230238925
- Publication date Jul 27, 2023
- QUALCOMM Incorporated
- Dongyang TANG
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VOLTAGE-TO-CURRENT ARCHITECTURE AND ERROR CORRECTION SCHEMES
- Publication number 20230137935
- Publication date May 4, 2023
- QUALCOMM Incorporated
- Ramkumar SIVAKUMAR
- G01 - MEASURING TESTING
Information Patent Application
POWER AMPLIFIER MANAGEMENT
- Publication number 20230108378
- Publication date Apr 6, 2023
- QUALCOMM Incorporated
- Earl Schreyer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLASS-D AMPLIFIER WITH DEADTIME DISTORTION COMPENSATION
- Publication number 20230058434
- Publication date Feb 23, 2023
- QUALCOMM Incorporated
- ChienChung YANG
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ENHANCING SPEAKER PROTECTION ACCURACY
- Publication number 20220302884
- Publication date Sep 22, 2022
- QUALCOMM Incorporated
- Khaled Mahmoud ABDELFATTAH ALY
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCHING AMPLIFIER ARCHITECTURE WITH MULTIPLE SUPPLIES
- Publication number 20220239226
- Publication date Jul 28, 2022
- QUALCOMM Incorporated
- Subbarao Surendra CHAKKIRALA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ENHANCING SPEAKER PROTECTION ACCURACY
- Publication number 20210265958
- Publication date Aug 26, 2021
- QUALCOMM Incorporated
- Khaled Mahmoud ABDELFATTAH ALY
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VOLTAGE-TO-CURRENT ARCHITECTURE AND ERROR CORRECTION SCHEMES
- Publication number 20210231710
- Publication date Jul 29, 2021
- QUALCOMM Incorporated
- Ramkumar SIVAKUMAR
- G01 - MEASURING TESTING
Information Patent Application
CLAMP CIRCUIT
- Publication number 20210232169
- Publication date Jul 29, 2021
- QUALCOMM Incorporated
- Kshitij YADAV
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT LIMITING FOR A BOOST CONVERTER
- Publication number 20210234457
- Publication date Jul 29, 2021
- QUALCOMM Incorporated
- Pradeep SILVA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Class-H Switching Amplifier Circuit Having Supply Voltage Proportio...
- Publication number 20180337637
- Publication date Nov 22, 2018
- QUALCOMM Incorporated
- Sherif GALAL
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIFFERENTIAL CLASS-D AMPLIFIER
- Publication number 20170019078
- Publication date Jan 19, 2017
- QUALCOMM Incorporated
- Sherif Galal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SPEAKER PROTECTION CIRCUIT WITH IMPROVED ACCURACY
- Publication number 20160182998
- Publication date Jun 23, 2016
- Qualcomm, Incorporated.
- Sherif Galal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Quiescent Control Circuit for Providing Control Current for an Ampl...
- Publication number 20130063214
- Publication date Mar 14, 2013
- BROADCOM CORPORATION
- Sherif Galal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Class-AB/B amplifier with quiescent control circuit
- Publication number 20130064398
- Publication date Mar 14, 2013
- BROADCOM CORPORATION
- Sherif Galal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Amplifier with reduced on/off transient and multi-point offset comp...
- Publication number 20120146719
- Publication date Jun 14, 2012
- BROADCOM CORPORATION
- Iuri Mehr
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Class-AB/B amplifier and quiescent control circuit for implementati...
- Publication number 20120056672
- Publication date Mar 8, 2012
- Broadcom Corporation
- Sherif Galal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power-efficient multi-mode charge pump
- Publication number 20110204961
- Publication date Aug 25, 2011
- BROADCOM CORPORATION
- Sherif Galal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Bias circuit with increased power supply rejection
- Publication number 20080084246
- Publication date Apr 10, 2008
- Sherif Galal
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Active load with adjustable common-mode level
- Publication number 20080030273
- Publication date Feb 7, 2008
- BROADCOM CORPORATION
- Venugopal Gopinathan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Low-voltage regulated current source
- Publication number 20070229150
- Publication date Oct 4, 2007
- BROADCOM CORPORATION
- Sherif Galal
- G05 - CONTROLLING REGULATING
Information Patent Application
Active load with adjustable common-mode level
- Publication number 20060082415
- Publication date Apr 20, 2006
- BROADCOM CORPORATION
- Venugopal Gopinathan
- H03 - BASIC ELECTRONIC CIRCUITRY

Sherif Galal

Person

Patents Grantslast 30 patents

Power amplifier management

Dynamic common-mode adjustment for power amplifiers

Voltage-to-current architecture and error

Hybrid class-H/predictive class-G switching amplifier architecture

Class-D amplifier with deadtime distortion compensation

Voltage-to-current architecture and error correction schemes

Current limiting for a boost converter

Enhancing speaker protection accuracy

Clamp circuit

Pre-drive level shifter with compact bias generator

Delay circuit that accurately maintains input duty cycle

Class-H switching amplifier circuit having supply voltage proportio...

Preventing distortion in a differential power amplifier

Differential class-D amplifier

Speaker protection circuit with improved accuracy

Power-efficient multi-mode charge pump

Quiescent control circuit for providing control current for an ampl...

Class-AB/B amplifier with quiescent control circuit

Amplifier with reduced on/off transient and multi-point offset comp...

Class-AB/B amplifier and quiescent control circuit for implementati...

Bias circuit with increased power supply rejection

Active load with adjustable common-mode level

Active load with adjustable common-mode level

Patents Applicationslast 30 patents

ADAPTIVELY ADJUSTING AN INPUT CURRENT LIMIT FOR A BOOST CONVERTER

HYBRID CLASS-H/PREDICTIVE CLASS-G SWITCHING AMPLIFIER ARCHITECTURE

DYNAMIC COMMON-MODE ADJUSTMENT FOR POWER AMPLIFIERS

VOLTAGE-TO-CURRENT ARCHITECTURE AND ERROR CORRECTION SCHEMES

POWER AMPLIFIER MANAGEMENT

CLASS-D AMPLIFIER WITH DEADTIME DISTORTION COMPENSATION

ENHANCING SPEAKER PROTECTION ACCURACY

SWITCHING AMPLIFIER ARCHITECTURE WITH MULTIPLE SUPPLIES

ENHANCING SPEAKER PROTECTION ACCURACY

VOLTAGE-TO-CURRENT ARCHITECTURE AND ERROR CORRECTION SCHEMES

CLAMP CIRCUIT

CURRENT LIMITING FOR A BOOST CONVERTER

Class-H Switching Amplifier Circuit Having Supply Voltage Proportio...

DIFFERENTIAL CLASS-D AMPLIFIER

SPEAKER PROTECTION CIRCUIT WITH IMPROVED ACCURACY

Quiescent Control Circuit for Providing Control Current for an Ampl...

Class-AB/B amplifier with quiescent control circuit

Amplifier with reduced on/off transient and multi-point offset comp...

Class-AB/B amplifier and quiescent control circuit for implementati...

Power-efficient multi-mode charge pump

Bias circuit with increased power supply rejection

Active load with adjustable common-mode level

Low-voltage regulated current source

Active load with adjustable common-mode level