Sifen Luo

Person

Potomac, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Structures for registration error compensation
- Patent number 9,748,620
- Issue date Aug 29, 2017
- ZIH Corp.
- Edward A. Richley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bias-boosting bias circuit for radio frequency power amplifier
- Patent number 9,214,902
- Issue date Dec 15, 2015
- TriQuint Semiconductor, Inc.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Structures for registration error compensation
- Patent number 8,933,768
- Issue date Jan 13, 2015
- ZIH Corp.
- Edward A. Richley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Control of power amplifiers in devices using transmit beamforming
- Patent number 7,899,414
- Issue date Mar 1, 2011
- IPR Licensing, Inc.
- Gary L. Sugar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
RF amplifier with a bias boosting scheme
- Patent number 7,365,604
- Issue date Apr 29, 2008
- Mediatek Inc.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier circuit having an impedance-controllable bias-boosting ci...
- Patent number 7,332,968
- Issue date Feb 19, 2008
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier circuit having an extended Wilson current-mirror self-bia...
- Patent number 7,262,666
- Issue date Aug 28, 2007
- NXP B.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Efficiency of power amplifiers in devices using transmit beamforming
- Patent number 6,993,299
- Issue date Jan 31, 2006
- IPR Licensing, Inc.
- Gary L. Sugar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Improving the efficiency of power amplifiers in devices using trans...
- Patent number 6,871,049
- Issue date Mar 22, 2005
- Cognio, Inc.
- Gary L. Sugar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Capacitor coupled dynamic bias boosting circuit for a power amplifier
- Patent number 6,791,418
- Issue date Sep 14, 2004
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Simple self-biased cascode amplifier circuit
- Patent number 6,778,016
- Issue date Aug 17, 2004
- Koninklijke Philips Eletronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power measurement circuit including harmonic filter
- Patent number 6,657,425
- Issue date Dec 2, 2003
- Koninklijke Philips Electronics N.V.
- Tirdad Sowlati
- G01 - MEASURING TESTING
Information Patent Grant
Radio frequency power amplifier for cellular telephones
- Patent number 6,624,700
- Issue date Sep 23, 2003
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus and method for tuning an inter-stage matching network of...
- Patent number 6,566,962
- Issue date May 20, 2003
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Self-boosting circuit for a power amplifier
- Patent number 6,492,875
- Issue date Dec 10, 2002
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier with self-bias boosting using an enhanced wilson current...
- Patent number 6,486,739
- Issue date Nov 26, 2002
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-frequency amplifier circuit having a directly-connected bias c...
- Patent number 6,456,163
- Issue date Sep 24, 2002
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Accurate power detection circuit for use in a power amplifier
- Patent number 6,448,855
- Issue date Sep 10, 2002
- Koninklijke Philips Electronics N.V.
- Tirdad Sowlati
- G01 - MEASURING TESTING
Information Patent Grant
High-frequency amplifier circuit with negative impedance cancellation
- Patent number 6,417,734
- Issue date Jul 9, 2002
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier with bias compensation using a current mirror circuit
- Patent number 6,417,735
- Issue date Jul 9, 2002
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier having a cascode current-mirror self-bias boosting...
- Patent number 6,414,553
- Issue date Jul 2, 2002
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-frequency amplifier circuit with independent control of quiesc...
- Patent number 6,359,516
- Issue date Mar 19, 2002
- Philips Electronics North America Corporation
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dynamic bias boosting circuit for a power amplifier
- Patent number 6,300,837
- Issue date Oct 9, 2001
- Philips Electronics North America Corporation
- Tirdad Sowlati
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-frequency amplifier with high input impedance and high power e...
- Patent number 5,828,269
- Issue date Oct 27, 1998
- Philips Electronics North America Corporation
- Stephen L. Wong
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
STRUCTURES FOR REGISTRATION ERROR COMPENSATION
- Publication number 20150091670
- Publication date Apr 2, 2015
- ZIH CORP.
- Edward A. Richley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BIAS-BOOSTING BIAS CIRCUIT FOR RADIO FREQUENCY POWER AMPLIFIER
- Publication number 20150061770
- Publication date Mar 5, 2015
- TriQuint Semiconductor, Inc.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
STRUCTURES FOR REGISTRATION ERROR COMPENSATION
- Publication number 20130099878
- Publication date Apr 25, 2013
- ZIH CORP.
- Edward A. Richley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTROL OF POWER AMPLIFIERS IN DEVICES USING TRANSMIT BEAMFORMING
- Publication number 20090285331
- Publication date Nov 19, 2009
- IPR Licensing, Inc.
- Gary L. Sugar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RF amplifier with a bias boosting scheme
- Publication number 20070139120
- Publication date Jun 21, 2007
- MediaTek Inc.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Amplifier circuit having an extended wilson current-mirror self-bia...
- Publication number 20060158256
- Publication date Jul 20, 2006
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Control of power amplifiers in devices using transmit beamforming
- Publication number 20060116087
- Publication date Jun 1, 2006
- IPR Licensing, Inc.
- Gary L. Sugar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Amplifier circuit having an impedance-controllable bias-boosting ci...
- Publication number 20060033576
- Publication date Feb 16, 2006
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Efficiency of power amplifers in devices using transmit beamforming
- Publication number 20040224648
- Publication date Nov 11, 2004
- Gary L. Sugar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Simple self-biased cascode amplifier circuit
- Publication number 20040085130
- Publication date May 6, 2004
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Capacitor coupled dynamic bias boosting circuit for a power amplifier
- Publication number 20040066234
- Publication date Apr 8, 2004
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Improving the Efficiency of Power Amplifiers in Devices Using Trans...
- Publication number 20030181173
- Publication date Sep 25, 2003
- Cognio, Inc.
- Gary L. Sugar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RF amplifier with current mirror bias-boosting
- Publication number 20030112073
- Publication date Jun 19, 2003
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Radio frequency power amplifier for cellular telephones
- Publication number 20030011434
- Publication date Jan 16, 2003
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Circuit technique for montonic on chip power detection
- Publication number 20020196044
- Publication date Dec 26, 2002
- Koninklijke Philips Electronics N.V.
- Tirdad Sowlati
- G01 - MEASURING TESTING
Information Patent Application
Apparatus and method for tuning an inter-stage matching network of...
- Publication number 20020163388
- Publication date Nov 7, 2002
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
HIGH-FREQUENCY AMPLIFIER CIRCUIT HAVING A DIRECTLY-CONNECTED BIAS C...
- Publication number 20020125954
- Publication date Sep 12, 2002
- Koninklijke Philips Electronics N.V.
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Self-boosting circuit for a power amplifier
- Publication number 20020067209
- Publication date Jun 6, 2002
- PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
- Sifen Luo
- H03 - BASIC ELECTRONIC CIRCUITRY

Person

Patents Grantslast 30 patents

Structures for registration error compensation

Bias-boosting bias circuit for radio frequency power amplifier

Structures for registration error compensation

Control of power amplifiers in devices using transmit beamforming

RF amplifier with a bias boosting scheme

Amplifier circuit having an impedance-controllable bias-boosting ci...

Amplifier circuit having an extended Wilson current-mirror self-bia...

Efficiency of power amplifiers in devices using transmit beamforming

Improving the efficiency of power amplifiers in devices using trans...

Capacitor coupled dynamic bias boosting circuit for a power amplifier

Simple self-biased cascode amplifier circuit

Power measurement circuit including harmonic filter

Radio frequency power amplifier for cellular telephones

Apparatus and method for tuning an inter-stage matching network of...

Self-boosting circuit for a power amplifier

Amplifier with self-bias boosting using an enhanced wilson current...

High-frequency amplifier circuit having a directly-connected bias c...

Accurate power detection circuit for use in a power amplifier

High-frequency amplifier circuit with negative impedance cancellation

Amplifier with bias compensation using a current mirror circuit

Power amplifier having a cascode current-mirror self-bias boosting...

High-frequency amplifier circuit with independent control of quiesc...

Dynamic bias boosting circuit for a power amplifier

High-frequency amplifier with high input impedance and high power e...

Patents Applicationslast 30 patents

STRUCTURES FOR REGISTRATION ERROR COMPENSATION

BIAS-BOOSTING BIAS CIRCUIT FOR RADIO FREQUENCY POWER AMPLIFIER

STRUCTURES FOR REGISTRATION ERROR COMPENSATION

CONTROL OF POWER AMPLIFIERS IN DEVICES USING TRANSMIT BEAMFORMING

RF amplifier with a bias boosting scheme

Amplifier circuit having an extended wilson current-mirror self-bia...

Control of power amplifiers in devices using transmit beamforming

Amplifier circuit having an impedance-controllable bias-boosting ci...

Efficiency of power amplifers in devices using transmit beamforming

Simple self-biased cascode amplifier circuit

Capacitor coupled dynamic bias boosting circuit for a power amplifier

Improving the Efficiency of Power Amplifiers in Devices Using Trans...

RF amplifier with current mirror bias-boosting

Radio frequency power amplifier for cellular telephones

Circuit technique for montonic on chip power detection

Apparatus and method for tuning an inter-stage matching network of...

HIGH-FREQUENCY AMPLIFIER CIRCUIT HAVING A DIRECTLY-CONNECTED BIAS C...

Self-boosting circuit for a power amplifier