Choong-yul CHA

Person

Gyeonggi-do, KR

People

Patents Grantslast 30 patents

Information Patent Grant
RF filter and digital broadcast receiving tuner and RF signal proce...
- Patent number 7,983,639
- Issue date Jul 19, 2011
- Samsung Electronics Co., Ltd.
- Kyu-don Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digitally controlled oscillator (DCO)
- Patent number 7,915,968
- Issue date Mar 29, 2011
- Samsung Electronics Co., Ltd.
- Tae-wook Kim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low noise amplifier for ultra wide band
- Patent number 7,847,636
- Issue date Dec 7, 2010
- Samsung Electronics Co., Ltd.
- Choong-yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital frequency detector and digital phase locked loop using the...
- Patent number 7,812,644
- Issue date Oct 12, 2010
- Samsung Electronics Co., Ltd.
- Choong-yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Fast mode switching frequency synthesizing apparatus and method for...
- Patent number 7,725,088
- Issue date May 25, 2010
- Samsung Electronics Co., Ltd.
- Choong-yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High resolution time detecting apparatus using interpolation and ti...
- Patent number 7,710,835
- Issue date May 4, 2010
- Samsung Electronics Co., Ltd.
- Tae-wook Kim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low noise amplifier for ultra wide band
- Patent number 7,616,061
- Issue date Nov 10, 2009
- Samsung Electronics Co., Ltd.
- Choong-yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multi-input multi-frequency synthesizing apparatus and method for m...
- Patent number 7,580,486
- Issue date Aug 25, 2009
- Samsung Electronics Co., Ltd.
- Choong-Yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Source coupled differential complementary colpitts oscillator
- Patent number 7,420,429
- Issue date Sep 2, 2008
- Samsung Electronics Co., Ltd.
- Choong-yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Quadrature signal generator for tuning phases of all of four genera...
- Patent number 7,397,317
- Issue date Jul 8, 2008
- Samsung Electronics Co., Ltd.
- Eun-chul Park
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency synthesizer for mixing reference frequencies
- Patent number 7,345,551
- Issue date Mar 18, 2008
- Samsung Electronics Co., Ltd.
- Choong-yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency synthesizer
- Patent number 7,310,023
- Issue date Dec 18, 2007
- Samsung Electronics Co., Ltd.
- Choong-yul Cha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Complementary voltage controlled oscillator
- Patent number 7,123,112
- Issue date Oct 17, 2006
- NeoReach, Inc.
- Dong Kyun Kang
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
ADJUSTABLE INDUCTOR AND WIDEBAND VOLTAGE CONTROLLED OSCILLATOR
- Publication number 20090174493
- Publication date Jul 9, 2009
- Sang-yoon Jeon
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIGITALLY CONTROLLED OSCILLATOR (DCO)
- Publication number 20090153259
- Publication date Jun 18, 2009
- Tae-wook KIM
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LOW NOISE AMPLIFIER FOR ULTRA WIDE BAND
- Publication number 20090140815
- Publication date Jun 4, 2009
- SAMSUNG ELECTRONICS CO., LTD.
- Choong-Yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
HIGH RESOLUTION TIME DETECTING APPARATUS USING INTERPOLATION AND TI...
- Publication number 20090027088
- Publication date Jan 29, 2009
- Samsung Electronics Co., Ltd.
- Tae-wook KIM
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DIGITAL FREQUENCY DETECTOR AND DIGITAL PHASE LOCKED LOOP USING THE...
- Publication number 20080315921
- Publication date Dec 25, 2008
- Samsung Electronics Co., Ltd.
- Choong-yul CHA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ACTIVE BALUN
- Publication number 20080224795
- Publication date Sep 18, 2008
- Samsung Electronics Co., Ltd.
- Kyu-don CHOI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
RF FILTER AND DIGITAL BROADCAST RECEIVING TUNER AND RF SIGNAL PROCE...
- Publication number 20080182535
- Publication date Jul 31, 2008
- Samsung Electronics Co., Ltd.
- Kyu-don CHOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Source coupled differential complementary colpitts oscillator
- Publication number 20070257742
- Publication date Nov 8, 2007
- SAMSUNG ELECTRONICS CO., LTD.
- Choong-Yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Multi-input multi-frequency synthesizing apparatus and method for m...
- Publication number 20070140392
- Publication date Jun 21, 2007
- SAMSUNG ELECTRONICS CO., LTD.
- Choong-Yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Fast mode switching frequency synthesizing apparatus and method for...
- Publication number 20070104290
- Publication date May 10, 2007
- SAMSUNG ELECTRONICS CO., LTD.
- Choong-Yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Wide tunable polyphase filter with variable resistor and variable c...
- Publication number 20070100927
- Publication date May 3, 2007
- SAMSUNG ELECTRONICS CO., LTD.
- Eun Chul Park
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Frequency synthesizer
- Publication number 20070008429
- Publication date Jan 11, 2007
- SAMSUNG ELECTRONICS CO., LTD.
- Choong-yul Cha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Frequency synthesizer for mixing reference frequencies
- Publication number 20060183455
- Publication date Aug 17, 2006
- SAMSUNG ELECTRONICS., LTD.
- Choong-yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Quadrature signal generator for tuning phases of all of four genera...
- Publication number 20060170507
- Publication date Aug 3, 2006
- SAMSUNG ELECTRONICS CO., LTD.
- Eun-chul Park
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Low noise amplifier for ultra wide band
- Publication number 20060170502
- Publication date Aug 3, 2006
- SAMSUNG ELECTRONICS CO., LTD.
- Choong-Yul Cha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Voltage controlled oscillator using complementary transistors
- Publication number 20060055477
- Publication date Mar 16, 2006
- Dong Kyun Kang
- H03 - BASIC ELECTRONIC CIRCUITRY

Choong-yul CHA

Person

Patents Grantslast 30 patents

RF filter and digital broadcast receiving tuner and RF signal proce...

Digitally controlled oscillator (DCO)

Low noise amplifier for ultra wide band

Digital frequency detector and digital phase locked loop using the...

Fast mode switching frequency synthesizing apparatus and method for...

High resolution time detecting apparatus using interpolation and ti...

Low noise amplifier for ultra wide band

Multi-input multi-frequency synthesizing apparatus and method for m...

Source coupled differential complementary colpitts oscillator

Quadrature signal generator for tuning phases of all of four genera...

Frequency synthesizer for mixing reference frequencies

Frequency synthesizer

Complementary voltage controlled oscillator

Patents Applicationslast 30 patents

ADJUSTABLE INDUCTOR AND WIDEBAND VOLTAGE CONTROLLED OSCILLATOR

DIGITALLY CONTROLLED OSCILLATOR (DCO)

LOW NOISE AMPLIFIER FOR ULTRA WIDE BAND

HIGH RESOLUTION TIME DETECTING APPARATUS USING INTERPOLATION AND TI...

DIGITAL FREQUENCY DETECTOR AND DIGITAL PHASE LOCKED LOOP USING THE...

ACTIVE BALUN

RF FILTER AND DIGITAL BROADCAST RECEIVING TUNER AND RF SIGNAL PROCE...

Source coupled differential complementary colpitts oscillator

Multi-input multi-frequency synthesizing apparatus and method for m...

Fast mode switching frequency synthesizing apparatus and method for...

Wide tunable polyphase filter with variable resistor and variable c...

Frequency synthesizer

Frequency synthesizer for mixing reference frequencies

Quadrature signal generator for tuning phases of all of four genera...

Low noise amplifier for ultra wide band

Voltage controlled oscillator using complementary transistors