Inventor
CHA CHOONG-YUL
KR16 patents
⚠️ This page may combine multiple inventors who share the name “CHA CHOONG-YUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
12 patentsUS7812644B2Oct 12, 2010
Digital frequency detector and digital phase locked loop using the digital frequency detector
SAMSUNG ELECTRONICS CO LTD33 citations92
US7310023B2Dec 18, 2007
Frequency synthesizer
SAMSUNG ELECTRONICS CO LTD24 citations92
US7616061B2Nov 10, 2009
Low noise amplifier for ultra wide band
SAMSUNG ELECTRONICS CO LTD8 citations84
US7420429B2Sep 2, 2008
Source coupled differential complementary colpitts oscillator
SAMSUNG ELECTRONICS CO LTD7 citations73
US7345551B2Mar 18, 2008
Frequency synthesizer for mixing reference frequencies
SAMSUNG ELECTRONICS CO LTD7 citations73
US7915968B2Mar 29, 2011
Digitally controlled oscillator (DCO)
SAMSUNG ELECTRONICS CO LTD2 citations63
US7710835B2May 4, 2010
High resolution time detecting apparatus using interpolation and time detecting method using the same
SAMSUNG ELECTRONICS CO LTD5 citations63
US7847636B2Dec 7, 2010
Low noise amplifier for ultra wide band
SAMSUNG ELECTRONICS CO LTD3 citations62
US7725088B2May 25, 2010
Fast mode switching frequency synthesizing apparatus and method for operating in low power consumption
SAMSUNG ELECTRONICS CO LTD3 citations62
US7580486B2Aug 25, 2009
Multi-input multi-frequency synthesizing apparatus and method for multi-band RF receiver
SAMSUNG ELECTRONICS CO LTD2 citations62
US7397317B2Jul 8, 2008
Quadrature signal generator for tuning phases of all of four generated quadrature signals
SAMSUNG ELECTRONICS CO LTD5 citations61
US7983639B2Jul 19, 2011
RF filter and digital broadcast receiving tuner and RF signal processing device using RF filter
SAMSUNG ELECTRONICS CO LTD2 citations60