Li-Chung Chang

Person

Irvine, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
High gain-bandwidth product (GBW) amplifier with passive feedforwar...
- Patent number 11,736,078
- Issue date Aug 22, 2023
- QUALCOMM Incorporated
- Joung Won Park
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Divided amplifier
- Patent number 11,228,292
- Issue date Jan 18, 2022
- QUALCOMM Incorporated
- Rahul Karmaker
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Manufacturability (DFM) cells in extreme ultra violet (EUV) technology
- Patent number 10,790,272
- Issue date Sep 29, 2020
- QUALCOMM Incorporated
- Harmeet Sobti
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Filter circuit
- Patent number 10,630,262
- Issue date Apr 21, 2020
- QUALCOMM Incorporated
- Wei Zhuo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Post distortion cancellation with phase shifter diode for low noise...
- Patent number 10,566,937
- Issue date Feb 18, 2020
- QUALCOMM Incorporated
- Mohammad Sadegh Mehrjoo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High order miller N-path filter
- Patent number 10,547,289
- Issue date Jan 28, 2020
- QUALCOMM Incorporated
- Joung Won Park
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplification with post-distortion compensation
- Patent number 10,541,654
- Issue date Jan 21, 2020
- QUALCOMM Incorporated
- Makar Snai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Single-ended to differential signal conversion of analog signals
- Patent number 10,530,618
- Issue date Jan 7, 2020
- QUALCOMM Incorporated
- Joung Won Park
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cascaded switch between pluralities of LNAS
- Patent number 10,333,469
- Issue date Jun 25, 2019
- QUALCOMM Incorporated
- Li-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switch and matching noise cancelling for switch low noise amplifier
- Patent number 10,008,987
- Issue date Jun 26, 2018
- QUALCOMM Incorporated
- Serkan Sayilir
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Cascaded switch between pluralities of LNAS
- Patent number 9,843,291
- Issue date Dec 12, 2017
- QUALCOMM Incorporated
- Li-Chung Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier circuits
- Patent number 9,837,968
- Issue date Dec 5, 2017
- QUALCOMM Incorporated
- Rui Xu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multi-stage amplifier with RC network
- Patent number 9,723,560
- Issue date Aug 1, 2017
- QUALCOMM Incorporated
- Ahmed Abdel Monem Youssef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low noise amplifier and notch filter
- Patent number 9,692,470
- Issue date Jun 27, 2017
- QUALCOMM Incorporated
- Hajir Hedayati
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Cross-connected cascode low noise amplifier for carrier aggregation
- Patent number 9,642,166
- Issue date May 2, 2017
- QUALCOMM Incorporated
- Sang Hyun Woo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electro-static discharge protection for integrated circuits
- Patent number 9,608,437
- Issue date Mar 28, 2017
- QUALCOMM Incorporated
- Ahmed Abdel Monem Youssef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electrostatic discharge protection for CMOS amplifier
- Patent number 9,559,640
- Issue date Jan 31, 2017
- QUALCOMM Incorporated
- Ahmed Abdel Monem Youssef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifiers with noise splitting
- Patent number 9,543,903
- Issue date Jan 10, 2017
- QUALCOMM Incorporated
- Rui Xu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Carrier aggregation amplifier with dual gain control
- Patent number 9,479,131
- Issue date Oct 25, 2016
- QUALCOMM Incorporated
- Ahmed Abdel Monem Youssef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Single-input multiple-output amplifiers with simultaneous multiple...
- Patent number 9,467,104
- Issue date Oct 11, 2016
- QUALCOMM Incorporated
- Rui Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spurious signal mitigation for carrier aggregation amplifier
- Patent number 9,425,746
- Issue date Aug 23, 2016
- QUALCOMM Incorporated
- Mehmet Uzunkol
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Inter carrier-aggregation isolation in a receiver
- Patent number 9,425,832
- Issue date Aug 23, 2016
- QUALCOMM Incorporated
- Ahmed Abdel Monem Youssef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Single chip signal splitting carrier aggregation receiver architecture
- Patent number 9,362,958
- Issue date Jun 7, 2016
- QUALCOMM Incorporated
- Prasad Srinivasa Siva Gudem
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver front end for carrier aggregation
- Patent number 9,350,310
- Issue date May 24, 2016
- QUALCOMM Incorporated
- Ahmed A Youssef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Carrier aggregation receiver architecture
- Patent number 9,300,420
- Issue date Mar 29, 2016
- QUALCOMM Incorporated
- Li-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Routing and shielding of signal lines to improve isolation
- Patent number 9,277,641
- Issue date Mar 1, 2016
- QUALCOMM Incorporated
- Ahmed Abdel Monem Youssef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal splitting carrier aggregation receiver architecture
- Patent number 9,252,827
- Issue date Feb 2, 2016
- QUALCOMM Incorporated
- Prasad Srinivasa Siva Gudem
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple-input and multiple-output carrier aggregation receiver reu...
- Patent number 9,172,402
- Issue date Oct 27, 2015
- QUALCOMM Incorporated
- Prasad Srinivasa Siva Gudem
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transformer with integrated notch filter
- Patent number 9,166,731
- Issue date Oct 20, 2015
- QUALCOMM Incorporated
- Li-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver with bypass mode for improved sensitivity
- Patent number 9,154,179
- Issue date Oct 6, 2015
- QUALCOMM Incorporated
- Prasad Srinivasa Siva Gudem
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
HIGH GAIN-BANDWIDTH PRODUCT (GBW) AMPLIFIER WITH PASSIVE FEEDFORWAR...
- Publication number 20220263479
- Publication date Aug 18, 2022
- QUALCOMM Incorporated
- Joung Won PARK
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Divided Amplifier
- Publication number 20210067115
- Publication date Mar 4, 2021
- QUALCOMM Incorporated
- Rahul Karmaker
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFICATION WITH POST-DISTORTION COMPENSATION
- Publication number 20200014340
- Publication date Jan 9, 2020
- QUALCOMM Incorporated
- Makar Snai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
HIGH ORDER MILLER N-PATH FILTER
- Publication number 20190334504
- Publication date Oct 31, 2019
- QUALCOMM Incorporated
- Joung Won PARK
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DESIGN FOR MANUFACTURABILITY (DFM) CELLS IN EXTREME ULTRA VIOLET (E...
- Publication number 20190043850
- Publication date Feb 7, 2019
- QUALCOMM Incorporated
- Harmeet SOBTI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FILTER CIRCUIT
- Publication number 20190028087
- Publication date Jan 24, 2019
- QUALCOMM Incorporated
- Wei ZHUO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCH AND MATCHING NOISE CANCELLING FOR SWITCH LOW NOISE AMPLIFIER
- Publication number 20180175805
- Publication date Jun 21, 2018
- QUALCOMM Incorporated
- Serkan SAYILIR
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POST DISTORTION CANCELLATION WITH PHASE SHIFTER DIODE FOR LOW NOISE...
- Publication number 20180175806
- Publication date Jun 21, 2018
- QUALCOMM Incorporated
- Mohammad Sadegh MEHRJOO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CASCADED SWITCH BETWEEN PLURALITIES OF LNAS
- Publication number 20180102740
- Publication date Apr 12, 2018
- Qualcomm Incorporated
- Li-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AMPLIFIER CIRCUITS
- Publication number 20170093343
- Publication date Mar 30, 2017
- QUALCOMM Incorporated
- Rui Xu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LOW NOISE AMPLIFIER AND NOTCH FILTER
- Publication number 20170063414
- Publication date Mar 2, 2017
- QUALCOMM Incorporated
- Hajir Hedayati
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CASCADED SWITCH BETWEEN PLURALITIES OF LNAS
- Publication number 20170040947
- Publication date Feb 9, 2017
- QUALCOMM Incorporated
- Li-Chung Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELECTROSTATIC DISCHARGE PROTECTION FOR CMOS AMPLIFIER
- Publication number 20160254789
- Publication date Sep 1, 2016
- QUALCOMM Incorporated
- Ahmed Abdel Monem Youssef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CROSS-CONNECTED CASCODE LOW NOISE AMPLIFIER FOR CARRIER AGGREGATION
- Publication number 20150351131
- Publication date Dec 3, 2015
- QUALCOMM Incorporated
- Sang Hyun Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-STAGE AMPLIFIER WITH RC NETWORK
- Publication number 20150341859
- Publication date Nov 26, 2015
- QUALCOMM Incorporated
- Ahmed Abdel Monem Youssef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CARRIER AGGREGATION AMPLIFIER WITH DUAL GAIN CONTROL
- Publication number 20150341007
- Publication date Nov 26, 2015
- QUALCOMM Incorporated
- Ahmed Abdel Monem Youssef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SINGLE-INPUT MULTIPLE-OUTPUT AMPLIFIERS WITH SIMULTANEOUS MULTIPLE...
- Publication number 20150280661
- Publication date Oct 1, 2015
- QUALCOMM Incorporated
- Rui Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPURIOUS SIGNAL MITIGATION FOR CARRIER AGGREGATION AMPLIFIER
- Publication number 20150280651
- Publication date Oct 1, 2015
- QUALCOMM Incorporated
- Mehmet Uzunkol
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AREA-EFFICIENT DEGENERATIVE INDUCTANCE FOR A LOW NOISE AMPLIFIER (LNA)
- Publication number 20150207482
- Publication date Jul 23, 2015
- QUALCOMM Incorporated
- Ehab Ahmed Sobhy Abdel Ghany
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
INTER CARRIER-AGGREGATION ISOLATION IN A RECEIVER
- Publication number 20150200690
- Publication date Jul 16, 2015
- QUALCOMM Incorporated
- Ahmed Abdel Monem Youssef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BASEBAND PROCESSING CIRCUITRY
- Publication number 20150084688
- Publication date Mar 26, 2015
- QUALCOMM Incorporated
- Li-Chung Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELECTRO-STATIC DISCHARGE PROTECTION FOR INTEGRATED CIRCUITS
- Publication number 20150070803
- Publication date Mar 12, 2015
- QUALCOMM Incorporated
- Ahmed Abdel Monem Youssef
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
AMPLIFIERS WITH CONFIGURABLE MUTUALLY-COUPLED SOURCE DEGENERATION I...
- Publication number 20150035600
- Publication date Feb 5, 2015
- QUALCOMM Incorporated
- Zhang Jin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
RECEIVER FRONT END FOR CARRIER AGGREGATION
- Publication number 20140348274
- Publication date Nov 27, 2014
- QUALCOMM Incorporated
- Ahmed A. Youssef
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSFORMER WITH INTEGRATED NOTCH FILTER
- Publication number 20140347142
- Publication date Nov 27, 2014
- QUALCOMM Incorporated
- Li-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AMPLIFIERS WITH BOOSTED OR DEBOOSTED SOURCE DEGENERATION INDUCTANCE
- Publication number 20140300417
- Publication date Oct 9, 2014
- QUALCOMM Incorporated
- Rui Xu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ROUTING AND SHIELDING OF SIGNAL LINES TO IMPROVE ISOLATION
- Publication number 20140302802
- Publication date Oct 9, 2014
- QUALCOMM Incorporated
- Li-Chung Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPLIT AMPLIFIERS WITH IMPROVED LINEARITY
- Publication number 20140266461
- Publication date Sep 18, 2014
- QUALCOMM Incorporated
- Ahmed A. Youssef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIERS WITH INDUCTIVE DEGENERATION AND CONFIGURABLE GAIN AND IN...
- Publication number 20140253242
- Publication date Sep 11, 2014
- Ahmed A. Youssef
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
AMPLIFIERS WITH MULTIPLE OUTPUTS AND CONFIGURABLE DEGENERATION INDU...
- Publication number 20140240048
- Publication date Aug 28, 2014
- QUALCOMM Incorporated
- Ahmed A. Youssef
- H03 - BASIC ELECTRONIC CIRCUITRY

Li-Chung Chang

Person

Patents Grantslast 30 patents

High gain-bandwidth product (GBW) amplifier with passive feedforwar...

Divided amplifier

Manufacturability (DFM) cells in extreme ultra violet (EUV) technology

Filter circuit

Post distortion cancellation with phase shifter diode for low noise...

High order miller N-path filter

Amplification with post-distortion compensation

Single-ended to differential signal conversion of analog signals

Cascaded switch between pluralities of LNAS

Switch and matching noise cancelling for switch low noise amplifier

Cascaded switch between pluralities of LNAS

Amplifier circuits

Multi-stage amplifier with RC network

Low noise amplifier and notch filter

Cross-connected cascode low noise amplifier for carrier aggregation

Electro-static discharge protection for integrated circuits

Electrostatic discharge protection for CMOS amplifier

Amplifiers with noise splitting

Carrier aggregation amplifier with dual gain control

Single-input multiple-output amplifiers with simultaneous multiple...

Spurious signal mitigation for carrier aggregation amplifier

Inter carrier-aggregation isolation in a receiver

Single chip signal splitting carrier aggregation receiver architecture

Receiver front end for carrier aggregation

Carrier aggregation receiver architecture

Routing and shielding of signal lines to improve isolation

Signal splitting carrier aggregation receiver architecture

Multiple-input and multiple-output carrier aggregation receiver reu...

Transformer with integrated notch filter

Receiver with bypass mode for improved sensitivity

Patents Applicationslast 30 patents

HIGH GAIN-BANDWIDTH PRODUCT (GBW) AMPLIFIER WITH PASSIVE FEEDFORWAR...

Divided Amplifier

AMPLIFICATION WITH POST-DISTORTION COMPENSATION

HIGH ORDER MILLER N-PATH FILTER

DESIGN FOR MANUFACTURABILITY (DFM) CELLS IN EXTREME ULTRA VIOLET (E...

FILTER CIRCUIT

SWITCH AND MATCHING NOISE CANCELLING FOR SWITCH LOW NOISE AMPLIFIER

POST DISTORTION CANCELLATION WITH PHASE SHIFTER DIODE FOR LOW NOISE...

CASCADED SWITCH BETWEEN PLURALITIES OF LNAS

AMPLIFIER CIRCUITS

LOW NOISE AMPLIFIER AND NOTCH FILTER

CASCADED SWITCH BETWEEN PLURALITIES OF LNAS

ELECTROSTATIC DISCHARGE PROTECTION FOR CMOS AMPLIFIER

CROSS-CONNECTED CASCODE LOW NOISE AMPLIFIER FOR CARRIER AGGREGATION

MULTI-STAGE AMPLIFIER WITH RC NETWORK

CARRIER AGGREGATION AMPLIFIER WITH DUAL GAIN CONTROL

SINGLE-INPUT MULTIPLE-OUTPUT AMPLIFIERS WITH SIMULTANEOUS MULTIPLE...

SPURIOUS SIGNAL MITIGATION FOR CARRIER AGGREGATION AMPLIFIER

AREA-EFFICIENT DEGENERATIVE INDUCTANCE FOR A LOW NOISE AMPLIFIER (LNA)

INTER CARRIER-AGGREGATION ISOLATION IN A RECEIVER

BASEBAND PROCESSING CIRCUITRY

ELECTRO-STATIC DISCHARGE PROTECTION FOR INTEGRATED CIRCUITS

AMPLIFIERS WITH CONFIGURABLE MUTUALLY-COUPLED SOURCE DEGENERATION I...

RECEIVER FRONT END FOR CARRIER AGGREGATION

TRANSFORMER WITH INTEGRATED NOTCH FILTER

AMPLIFIERS WITH BOOSTED OR DEBOOSTED SOURCE DEGENERATION INDUCTANCE

ROUTING AND SHIELDING OF SIGNAL LINES TO IMPROVE ISOLATION

SPLIT AMPLIFIERS WITH IMPROVED LINEARITY

AMPLIFIERS WITH INDUCTIVE DEGENERATION AND CONFIGURABLE GAIN AND IN...

AMPLIFIERS WITH MULTIPLE OUTPUTS AND CONFIGURABLE DEGENERATION INDU...