Inventor
CHANG HSIANG-HUI
TW47 patents
⚠️ This page may combine multiple inventors who share the name “CHANG HSIANG-HUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MEDIATEK INC
25 patentsUS8031007B2Oct 4, 2011
Error protection method, TDC module, CTDC module, all-digital phase-locked loop, and calibration method thereof
MEDIATEK INC23 citations92
US7791428B2Sep 7, 2010
All-digital phase-locked loop, loop bandwidth calibration method, and loop gain calibration method for the same
MEDIATEK INC19 citations92
US7728686B2Jun 1, 2010
Digital-controlled oscillator for eliminating frequency discontinuities and all-digital phase-locked loop using the same
MEDIATEK INC12 citations92
US9379930B2Jun 28, 2016
Transmitter devices of I/Q mismatch calibration, and methods thereof
MEDIATEK INC7 citations84
US8031025B2Oct 4, 2011
Mixed-mode PLL
MEDIATEK INC8 citations84
US7412617B2Aug 12, 2008
Phase frequency detector with limited output pulse width and method thereof
MEDIATEK INC6 citations74
US9917586B2Mar 13, 2018
Digital signal up-converting apparatus and related digital signal up-converting method
MEDIATEK INC2 citations71
US9577638B2Feb 21, 2017
Digital signal up-converting apparatus and related digital signal up-converting method
MEDIATEK INC2 citations71
US9484859B2Nov 1, 2016
Modulation circuit and operating method thereof
MEDIATEK INC2 citations63
US8354947B2Jan 15, 2013
Signal processing apparatus with sigma-delta modulating block collaborating with notch filtering block and related signal processing method thereof
MEDIATEK INC2 citations63
US9124267B2Sep 1, 2015
Digital transmitter and method for calibrating digital transmitter
MEDIATEK INC1 citations62
US9876501B2Jan 23, 2018
Switching power amplifier and method for controlling the switching power amplifier
MEDIATEK INC1 citations61
US6756818B1Jun 29, 2004
Voltage-controlled delay line with reduced timing errors and jitters
MEDIATEK INC5 citations61
US9698785B2Jul 4, 2017
Digital signal up-converting apparatus and related digital signal up-converting method
MEDIATEK INC1 citations60
US9172408B2Oct 27, 2015
Transmitter supporting two modes
MEDIATEK INC2 citations60
US7827432B2Nov 2, 2010
Phase frequency detector with limited output pulse width and method thereof
MEDIATEK INC0 citations52
US9590745B2Mar 7, 2017
Scheme for performing beamforming calibration by measuring joint signal path mismatch
MEDIATEK INC0 citations51
US9425796B2Aug 23, 2016
Data converting device, digital transmitting apparatus using the data converting device, and related data converting method
MEDIATEK INC0 citations51
US9219554B2Dec 22, 2015
Power detection method and related communication device
MEDIATEK INC0 citations51
US7822211B2Oct 26, 2010
Stereo decoding system capable of reducing the phase shift during the signal transforming
MEDIATEK INC1 citations51
US7697908B2Apr 13, 2010
Duty-to-voltage amplifier, FM receiver and method for amplifying a peak of a multiplexed signal
MEDIATEK INC0 citations51
US9118371B2Aug 25, 2015
Digital transmitter and method for compensating mismatch in digital transmitter
MEDIATEK INC0 citations50
US7957698B2Jun 7, 2011
Demodulator with output level calibration
MEDIATEK INC0 citations48
US9344143B2May 17, 2016
Signal transmitting device and signal transmitting method
MEDIATEK INC0 citations42
US7538706B2May 26, 2009
Mash modulator and frequency synthesizer using the same
MEDIATEK INC0 citations42
CHANG HSIANG-HUI
9 patentsUS8193866B2Jun 5, 2012
All-digital phase-locked loop
CHANG HSIANG-HUI15 citations92
US8429487B2Apr 23, 2013
Error protection method, TDC module, CTDC module, all-digital phase-locked loop, and calibration method thereof
CHANG HSIANG-HUI8 citations83
US8395453B2Mar 12, 2013
Error compensation method, digital phase error cancellation module, and ADPLL thereof
CHANG HSIANG-HUI8 citations83
US8228128B2Jul 24, 2012
All-digital phase-locked loop, loop bandwidth calibration method, and loop gain calibration method for the same
CHANG HSIANG-HUI4 citations73
US8472559B2Jun 25, 2013
Polar transmitter and related signal transmitting method
CHANG HSIANG-HUI5 citations72
US8659456B2Feb 25, 2014
Electronic device and transmitter DC offset calibration method thereof
CHANG HSIANG-HUI3 citations62
US8284884B2Oct 9, 2012
Method of frequency search for DCO and decoder using the same
CHANG HSIANG-HUI0 citations52
US8331890B2Dec 11, 2012
Duty-to-voltage amplifier, FM receiver and method for amplifying a peak of a multiplexed signal
CHANG HSIANG-HUI0 citations51
US9065691B2Jun 23, 2015
Sliced transmitter front-end
CHANG HSIANG-HUI0 citations49
CHEN HSIN-HUNG
6 patentsUS8427243B2Apr 23, 2013
Signal generating circuit and signal generating method
CHEN HSIN-HUNG27 citations92
US8861644B2Oct 14, 2014
Devices of IQ mismatch calibration, and methods thereof
CHEN HSIN-HUNG6 citations73
US8064848B2Nov 22, 2011
Transmitter and control method for transmitting and calibrating a phase signal and an amplitude signal
CHEN HSIN-HUNG2 citations61
US8315559B2Nov 20, 2012
Transmitter and control method for transmitting and calibrating a phase signal and an amplitude signal
CHEN HSIN-HUNG1 citations51
US8737936B2May 27, 2014
Amplitude modulation circuit in polar transmitter and method for calibrating amplitude offset in polar transmitter
CHEN HSIN-HUNG0 citations50
US8073406B2Dec 6, 2011
Amplitude modulation circuit in polar transmitter and method for calibrating amplitude offset in polar transmitter
CHEN HSIN-HUNG0 citations50
HUAWEI TECH CO LTD
2 patentsMEDIATEK SINGAPORE PTE LTD
2 patentsUS9712169B2Jul 18, 2017
Transmit power measurement apparatus having programmable filter device that is set at least based on frequency response of transmit power detection path and related transmit power measurement method thereof
MEDIATEK SINGAPORE PTE LTD0 citations50
US9949217B2Apr 17, 2018
Transmit power control method and system in mobile communications device
MEDIATEK SINGAPORE PTE LTD0 citations41