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Chang-Hyeon Lee
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Irvine, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
XTAL oscillator
Patent number
8,866,557
Issue date
Oct 21, 2014
Broadcom Corporation
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low drop out voltage regulator circuit assembly
Patent number
7,898,230
Issue date
Mar 1, 2011
Skyworks Solutions, Inc.
Chang-Hyeon Lee
G05 - CONTROLLING REGULATING
Information
Patent Grant
Low drop out voltage regulator circuit assembly
Patent number
7,554,306
Issue date
Jun 30, 2009
Skyworks Solutions, Inc.
Chang-Hyeon Lee
G05 - CONTROLLING REGULATING
Information
Patent Grant
Frequency synthesizer with loop filter calibration for bandwidth co...
Patent number
7,259,633
Issue date
Aug 21, 2007
Skyworks Solutions, Inc.
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Direct modulator for shift keying modulation
Patent number
7,109,805
Issue date
Sep 19, 2006
Skyworks Solutions, Inc.
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Frequency prescaler
Patent number
6,968,029
Issue date
Nov 22, 2005
Skyworks Solutions, Inc.
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Charge pump having reduced switching noise
Patent number
6,954,090
Issue date
Oct 11, 2005
Skyworks Solutions, Inc.
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Charge pump having reduced switching noise
Patent number
6,611,160
Issue date
Aug 26, 2003
Skyworks Solutions, Inc.
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
Low Power Bias Compensation Scheme Utilizing A Resistor Bias
Publication number
20140292301
Publication date
Oct 2, 2014
BROADCOM CORPORATION
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
XTAL oscillator
Publication number
20140062609
Publication date
Mar 6, 2014
BROADCOM CORPORATION
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Low Drop Out Voltage Regulator Circuit Assembly
Publication number
20090231024
Publication date
Sep 17, 2009
Chang-Hyeon Lee
G05 - CONTROLLING REGULATING
Information
Patent Application
Low Drop Out Voltage Regulator Circuit Assembly
Publication number
20080265854
Publication date
Oct 30, 2008
Chang-Hyeon Lee
G05 - CONTROLLING REGULATING
Information
Patent Application
Frequency synthesizer with loop filter calibration for bandwidth co...
Publication number
20060267697
Publication date
Nov 30, 2006
Skyworks Solutions, Inc.
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Local oscillator for a direct conversion transceiver
Publication number
20060246862
Publication date
Nov 2, 2006
Bipul Agarwal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Direct modulator for shift keying modulation
Publication number
20060022758
Publication date
Feb 2, 2006
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Low power voltage to current converter
Publication number
20030231036
Publication date
Dec 18, 2003
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Charge pump having reduced switching noise
Publication number
20030231037
Publication date
Dec 18, 2003
Chang-Hyeon Lee
H03 - BASIC ELECTRONIC CIRCUITRY