Xinhua Chen

Person

San Diego, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Split input amplifier for protection from DC offset
- Patent number 12,009,847
- Issue date Jun 11, 2024
- Apple Inc.
- Hongrui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Split input amplifier for protection from DC offset
- Patent number 11,894,866
- Issue date Feb 6, 2024
- Apple Inc.
- Hongrui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fast coarse tuning for frequency synthesizer
- Patent number 10,715,151
- Issue date Jul 14, 2020
- QUALCOMM Incorporated
- Yuehai Jin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low power 25% duty cycle local oscillator clock generation circuit
- Patent number 10,615,780
- Issue date Apr 7, 2020
- QUALCOMM Incorporated
- Animesh Paul
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distributed differential interconnect
- Patent number 10,523,272
- Issue date Dec 31, 2019
- QUALCOMM Incorporated
- Madhukar Vallabhaneni
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fractional-N phase locked loop delta sigma modulator noise reductio...
- Patent number 10,177,772
- Issue date Jan 8, 2019
- QUALCOMM Incorporated
- Jingcheng Zhuang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
PLL post divider phase continuity
- Patent number 9,998,129
- Issue date Jun 12, 2018
- QUALCOMM Incorporated
- Jingcheng Zhuang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Re-timing based clock generation and residual sideband (RSB) enhanc...
- Patent number 9,973,182
- Issue date May 15, 2018
- QUALCOMM Incorporated
- Animesh Paul
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
SPLIT INPUT AMPLIFIER FOR PROTECTION FROM DC OFFSET
- Publication number 20240039564
- Publication date Feb 1, 2024
- Apple Inc.
- Hongrui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPLIT INPUT AMPLIFIER FOR PROTECTION FROM DC OFFSET
- Publication number 20230291422
- Publication date Sep 14, 2023
- Apple Inc.
- Hongrui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPLIT INPUT AMPLIFIER FOR PROTECTION FROM DC OFFSET
- Publication number 20230291421
- Publication date Sep 14, 2023
- Apple Inc.
- Hongrui Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FAST COARSE TUNING FOR FREQUENCY SYNTHESIZER
- Publication number 20190296750
- Publication date Sep 26, 2019
- QUALCOMM Incorporated
- Yuehai JIN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RING OSCILLATOR TOPOLOGY BASED ON RESISTOR ARRAY
- Publication number 20190215000
- Publication date Jul 11, 2019
- QUALCOMM Incorporated
- Yuehai JIN
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIVIDER - LOW POWER LATCH
- Publication number 20190181843
- Publication date Jun 13, 2019
- QUALCOMM Incorporated
- Animesh PAUL
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LOW POWER 25% DUTY CYCLE LOCAL OSCILLATOR CLOCK GENERATION CIRCUIT
- Publication number 20190181844
- Publication date Jun 13, 2019
- QUALCOMM Incorporated
- Animesh PAUL
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Distributed Differential Interconnect
- Publication number 20180343032
- Publication date Nov 29, 2018
- QUALCOMM Incorporated
- Madhukar Vallabhaneni
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DUTY CYCLE CONTROL BUFFER CIRCUIT
- Publication number 20180102772
- Publication date Apr 12, 2018
- QUALCOMM Incorporated
- Animesh PAUL
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RE-TIMING BASED CLOCK GENERATION AND RESIDUAL SIDEBAND (RSB) ENHANC...
- Publication number 20180076805
- Publication date Mar 15, 2018
- QUALCOMM Incorporated
- Animesh PAUL
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FRACTIONAL-N PHASE LOCKED LOOP DELTA SIGMA MODULATOR NOISE REDUCTIO...
- Publication number 20180019756
- Publication date Jan 18, 2018
- QUALCOMM Incorporated
- Jingcheng ZHUANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AMPLIFIER WITH COUPLED INDUCTORS
- Publication number 20170187338
- Publication date Jun 29, 2017
- QUALCOMM Incorporated
- Chuan Wang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PHASE-LOCKED LOOP USING DUAL LOOP MODE TO ACHIEVE FAST RESETTLING
- Publication number 20140241335
- Publication date Aug 28, 2014
- QUALCOMM Incorporated
- Xinhua Chen
- H03 - BASIC ELECTRONIC CIRCUITRY

Xinhua Chen

Person

Patents Grantslast 30 patents

Split input amplifier for protection from DC offset

Split input amplifier for protection from DC offset

Fast coarse tuning for frequency synthesizer

Low power 25% duty cycle local oscillator clock generation circuit

Distributed differential interconnect

Fractional-N phase locked loop delta sigma modulator noise reductio...

PLL post divider phase continuity

Re-timing based clock generation and residual sideband (RSB) enhanc...

Patents Applicationslast 30 patents

SPLIT INPUT AMPLIFIER FOR PROTECTION FROM DC OFFSET

SPLIT INPUT AMPLIFIER FOR PROTECTION FROM DC OFFSET

SPLIT INPUT AMPLIFIER FOR PROTECTION FROM DC OFFSET

FAST COARSE TUNING FOR FREQUENCY SYNTHESIZER

RING OSCILLATOR TOPOLOGY BASED ON RESISTOR ARRAY

DIVIDER - LOW POWER LATCH

LOW POWER 25% DUTY CYCLE LOCAL OSCILLATOR CLOCK GENERATION CIRCUIT

Distributed Differential Interconnect

DUTY CYCLE CONTROL BUFFER CIRCUIT

RE-TIMING BASED CLOCK GENERATION AND RESIDUAL SIDEBAND (RSB) ENHANC...

FRACTIONAL-N PHASE LOCKED LOOP DELTA SIGMA MODULATOR NOISE REDUCTIO...

AMPLIFIER WITH COUPLED INDUCTORS

PHASE-LOCKED LOOP USING DUAL LOOP MODE TO ACHIEVE FAST RESETTLING