using field effect transistors

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CPC
H03C3/225

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Parent Industries

HELECTRICITY H03Electronic circuits H03CMODULATION H03C3/00Angle modulation

Current Industry

H03C3/225using field effect transistors

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Ultra-wideband impulse radio transmitter with modulation
- Patent number 8,811,527
- Issue date Aug 19, 2014
- Agency for Science, Technology and Research
- Shengxi Diao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual rail out-phased envelope tracking modulator
- Patent number 8,704,594
- Issue date Apr 22, 2014
- Auriga Measurement Systems, LLC
- Steven A. Mulawski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Methods and apparatus for improved phase switching and linearity in...
- Patent number 7,928,789
- Issue date Apr 19, 2011
- Agere Systems Inc.
- Ronald L. Freyman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Modulation circuit
- Patent number 7,804,375
- Issue date Sep 28, 2010
- Advantest Corporation
- Norio Kobayashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Direct modulation type voltage-controlled oscillator using MOS varicap
- Patent number 7,609,123
- Issue date Oct 27, 2009
- Panasonic Corporation
- Masakatsu Maeda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Programmable radio transceiver
- Patent number 7,580,684
- Issue date Aug 25, 2009
- BitWave Semiconductor, Inc.
- Russell J. Cyr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for improved phase switching and linearity in...
- Patent number 7,560,967
- Issue date Jul 14, 2009
- Agere Systems Inc.
- Ronald L. Freyman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multi-band tunable resonant circuit
- Patent number 7,482,887
- Issue date Jan 27, 2009
- BitWave Semiconductor, Inc.
- Russell J. Cyr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications system with variable load and related method
- Patent number 7,444,122
- Issue date Oct 28, 2008
- VIA Technologies Inc.
- Pi-An Wu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Programmable radio transceiver
- Patent number 7,323,945
- Issue date Jan 29, 2008
- BitWave Semiconductor, Inc.
- Russell J. Cyr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for improved phase switching and linearity in...
- Patent number 7,298,195
- Issue date Nov 20, 2007
- Agere Systems Inc.
- Ronald L. Freyman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency modulation corrector keeping a good oscillating signal qu...
- Patent number 6,879,218
- Issue date Apr 12, 2005
- Oki Electric Industry Co., Ltd.
- Ken Fujita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage-controlled oscillator circuit for direct modulation
- Patent number 6,774,736
- Issue date Aug 10, 2004
- Microtune (San Diego), Inc.
- Ee Hong Kwek
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Oscillator circuit having optimized frequency modulation circuit
- Patent number 6,046,650
- Issue date Apr 4, 2000
- Motorola, Inc.
- Stefan Lichterfield
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Compensation circuit for improving modulation characteristic, and m...
- Patent number 5,576,713
- Issue date Nov 19, 1996
- Fujitsu Limited
- Hiroshi Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
MMIC tunable biphase modulator
- Patent number 5,442,327
- Issue date Aug 15, 1995
- Motorola, Inc.
- Beth A. Longbrake
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage controlled oscillator with filtered and compensated modulation
- Patent number 5,075,644
- Issue date Dec 24, 1991
- Motorola, Inc.
- Clarke J. Calvin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage control oscillator with modulation compensation
- Patent number 4,904,964
- Issue date Feb 27, 1990
- Motorola, Inc.
- Kwan K. Peng
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency-doubling voltage-controlled oscillator
- Patent number 4,754,236
- Issue date Jun 28, 1988
- Thomson-CSF
- Narguise Mamodaly
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Linear gain voltage controlled oscillator with modulation compensation
- Patent number 4,510,465
- Issue date Apr 9, 1985
- Motorola, Inc.
- Craig W. Rice
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage controlled oscillator having approximately constant modulat...
- Patent number 4,503,402
- Issue date Mar 5, 1985
- General Electric Company
- Arvid E. Englund
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency modulated oscillator
- Patent number 4,003,004
- Issue date Jan 11, 1977
- James C. Administrator of the National Aeronautics and Space Administration,...
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Transmitter with Modulation
- Publication number 20130022086
- Publication date Jan 24, 2013
- Shengxi Diao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dual Rail Out-Phased Envelope Tracking Modulator
- Publication number 20120313702
- Publication date Dec 13, 2012
- Auriga Measurement Systems, LLC
- Steven A. Mulawski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHODS AND APPARATUS FOR IMPROVED PHASE SWITCHING AND LINEARITY IN...
- Publication number 20090108898
- Publication date Apr 30, 2009
- Agere Systems Inc.
- Ronald L. Freyman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MODULATION CIRCUIT
- Publication number 20090102573
- Publication date Apr 23, 2009
- Advantest Corporation
- NORIO KOBAYASHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MULTI-BAND TUNABLE RESONANT CIRCUIT
- Publication number 20090079524
- Publication date Mar 26, 2009
- BITWAVE SEMICONDUCTOR, INC.
- Russell J. Cyr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIRECT MODULATION TYPE VOLTAGE-CONTROLLED OSCILLATOR USING MOS VARICAP
- Publication number 20080150648
- Publication date Jun 26, 2008
- Masakatsu Maeda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Methods and Apparatus for Improved Phase Switching and Linearity in...
- Publication number 20080030251
- Publication date Feb 7, 2008
- Agere Systems Inc.
- Ronald L. Freyman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
COMMUNICATIONS SYSTEM WITH VARIABLE LOAD AND RELATED METHOD
- Publication number 20080012648
- Publication date Jan 17, 2008
- Pi-An Wu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Methods and apparatus for improved phase switching and linearity in...
- Publication number 20060220719
- Publication date Oct 5, 2006
- Ronald L. Freyman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Programmable radio transceiver
- Publication number 20050261797
- Publication date Nov 24, 2005
- Russell J. Cyr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Programmable radio transceiver
- Publication number 20050227627
- Publication date Oct 13, 2005
- Russell J. Cyr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Programmable radio transceiver
- Publication number 20050212604
- Publication date Sep 29, 2005
- Russell J. Cyr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Frequency modulation corrector keeping a good oscillating signal qu...
- Publication number 20040041639
- Publication date Mar 4, 2004
- Ken Fujita
- H03 - BASIC ELECTRONIC CIRCUITRY

using field effect transistors

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Ultra-wideband impulse radio transmitter with modulation

Dual rail out-phased envelope tracking modulator

Methods and apparatus for improved phase switching and linearity in...

Modulation circuit

Direct modulation type voltage-controlled oscillator using MOS varicap

Programmable radio transceiver

Methods and apparatus for improved phase switching and linearity in...

Multi-band tunable resonant circuit

Communications system with variable load and related method

Programmable radio transceiver

Methods and apparatus for improved phase switching and linearity in...

Frequency modulation corrector keeping a good oscillating signal qu...

Voltage-controlled oscillator circuit for direct modulation

Oscillator circuit having optimized frequency modulation circuit

Compensation circuit for improving modulation characteristic, and m...

MMIC tunable biphase modulator

Voltage controlled oscillator with filtered and compensated modulation

Voltage control oscillator with modulation compensation

Frequency-doubling voltage-controlled oscillator

Linear gain voltage controlled oscillator with modulation compensation

Voltage controlled oscillator having approximately constant modulat...

Frequency modulated oscillator

Patents Applicationslast 30 patents

Transmitter with Modulation

Dual Rail Out-Phased Envelope Tracking Modulator

METHODS AND APPARATUS FOR IMPROVED PHASE SWITCHING AND LINEARITY IN...

MODULATION CIRCUIT

MULTI-BAND TUNABLE RESONANT CIRCUIT

DIRECT MODULATION TYPE VOLTAGE-CONTROLLED OSCILLATOR USING MOS VARICAP

Methods and Apparatus for Improved Phase Switching and Linearity in...

COMMUNICATIONS SYSTEM WITH VARIABLE LOAD AND RELATED METHOD

Methods and apparatus for improved phase switching and linearity in...

Programmable radio transceiver

Programmable radio transceiver

Programmable radio transceiver

Frequency modulation corrector keeping a good oscillating signal qu...