Inventor
ZHUANG JINGCHENG
US29 patents
⚠️ This page may combine multiple inventors who share the name “ZHUANG JINGCHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUALCOMM INC
16 patentsUS10116315B1Oct 30, 2018
System-on-a-chip clock phase management using fractional-N PLLs
QUALCOMM INC20 citations94
US9998129B1Jun 12, 2018
PLL post divider phase continuity
QUALCOMM INC9 citations82
US8928365B2Jan 6, 2015
Methods and devices for matching transmission line characteristics using stacked metal oxide semiconductor (MOS) transistors
QUALCOMM INC8 citations82
US10256796B2Apr 9, 2019
Master-slave level shifter array architecture with pre-defined power-up states
QUALCOMM INC9 citations75
US10177772B2Jan 8, 2019
Fractional-N phase locked loop delta sigma modulator noise reduction using charge pump interpolation
QUALCOMM INC2 citations73
US9864341B1Jan 9, 2018
Time-to-digital conversion with latch-based ring
QUALCOMM INC2 citations73
US9520887B1Dec 13, 2016
Glitch free bandwidth-switching scheme for an analog phase-locked loop (PLL)
QUALCOMM INC5 citations73
US11264995B1Mar 1, 2022
System and method for maintaining local oscillator (LO) phase continuity
QUALCOMM INC4 citations72
US9893875B2Feb 13, 2018
Phase continuity technique for frequency synthesis
QUALCOMM INC3 citations71
US10575279B2Feb 25, 2020
Methods and apparatus for a transmit path with frequency hopping phase locked loop
QUALCOMM INC1 citations62
US8970254B1Mar 3, 2015
Systems and methods for frequency detection
QUALCOMM INC3 citations61
US10534025B2Jan 14, 2020
Phase frequency detector linearization using switching supply
QUALCOMM INC0 citations52
US9584184B2Feb 28, 2017
Unified front-end receiver interface for accommodating incoming signals via AC-coupling or DC-coupling
QUALCOMM INC1 citations52
US9973182B2May 15, 2018
Re-timing based clock generation and residual sideband (RSB) enhancement circuit
QUALCOMM INC0 citations50
US9176511B1Nov 3, 2015
Band-gap current repeater
QUALCOMM INC1 citations49
US10523272B2Dec 31, 2019
Distributed differential interconnect
QUALCOMM INC0 citations47
ZHUANG JINGCHENG
6 patentsUS8830001B2Sep 9, 2014
Low power all digital PLL architecture
ZHUANG JINGCHENG7 citations84
US8204107B2Jun 19, 2012
Bandwidth reduction mechanism for polar modulation
ZHUANG JINGCHENG14 citations84
US8461896B2Jun 11, 2013
Compensating for wander in AC coupling data interface
ZHUANG JINGCHENG8 citations83
US8319579B2Nov 27, 2012
Passive filter and AC coupler receiver interface
ZHUANG JINGCHENG13 citations83
US8497723B2Jul 30, 2013
Low-hysteresis high-speed differential sampler
ZHUANG JINGCHENG5 citations72
US8839020B2Sep 16, 2014
Dual mode clock/data recovery circuit
ZHUANG JINGCHENG3 citations61
ALTERA CORP
4 patentsUS7633322B1Dec 15, 2009
Digital loop circuit for programmable logic device
ALTERA CORP48 citations91
US8014480B1Sep 6, 2011
Zero-delay serial communications circuitry for serial interconnects
ALTERA CORP6 citations61
US7474167B1Jan 6, 2009
Capacitance switch circuitry for digitally controlled oscillators
ALTERA CORP6 citations61
US7843275B1Nov 30, 2010
Frequency synthesizer circuitry employing delay line
ALTERA CORP0 citations40