Two integrator loop filters

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CPC
H03H11/0433

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Parent Industries

HELECTRICITY H03Electronic circuits H03HIMPEDANCE NETWORKS H03H11/00Networks using active elements

Current Industry

H03H11/0433Two integrator loop filters

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Patents Grantslast 30 patents

Information Patent Grant
Architecture to reject near end blockers and transmit leakage
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Bi-quad calibration
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Operational transconductance amplifier, operational transconductanc...
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OTA-based current-mode filter and oscillator
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- Issue date Feb 25, 2014
- Manipal University
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Complimentary single-ended-input OTA-C universal filter structures
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- Issue date Jun 11, 2013
- Chung Yuan Christian University
- Chun-Ming Chang
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Tunable transconductance-capacitance filter with coefficients indep...
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Bandpass filter circuit, band-elimination filter circuit, infrared...
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Apparatus and method for tuning center frequency of a filter
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Transconductor, integrator, and filter circuit
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Waveform equalizer and information reproducing apparatus therewith
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- Issue date May 19, 2009
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Information Patent Grant
Apparatus and method for tuning center frequency of a filter
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- Issue date Jul 22, 2008
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Information Patent Grant
Filter circuit and detection circuit having filter circuit
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Integrated low power channel select filter having high dynamic rang...
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Integrated circuit arrangement comprising an active filter and a me...
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Filter circuit and detection circuit having filter circuit
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- Issue date Nov 2, 2004
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Information Patent Grant
Method and apparatus for checking the response of a transconductanc...
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- Issue date Oct 19, 2004
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- Horia Giuroiu
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Continuous-time analog filter having controllable gain characteristics
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- Issue date Sep 14, 2004
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Common mode transient reduction circuit for improving transient res...
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- Issue date May 25, 2004
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Automatic filter tuning control system
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Method of controlling common-mode in differential gm-C circuits
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High-frequency boost technique
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Biquadratic basic cell for programmable analog time-continuous filter
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- Issue date May 29, 2001
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Filter circuit
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- Mitsubishi Denki Kabushiki Kaisha
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Gm-C cell with two-stage common mode control and current boost
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Information Patent Grant
Integrated adaptive cable equalizer using a continuous-time filter
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- Issue date Aug 17, 1999
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Information Patent Grant
gm-C cell with two stage common mode control and current boost
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- Issue date Jan 5, 1999
- Philips Electronics North America Corporation
- Rudolphe G. Eschauzier
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Circuit technique for implementing programmable zeros in high speed...
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Information Patent Grant
High-pass filter structure with programmable zeros
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- Issue date Jul 1, 1997
- SGS-Thomson Microelectronics, S.r.l.
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- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
BI-QUAD CALIBRATION
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TRANSCONDUCTANCE ADJUSTING CIRCUIT, FILTER CIRCUIT, AND ELECTRONIC...
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RESONANT FILTER, DELTA-SIGMA A/D CONVERTER, AND SEMICONDUCTOR DEVICE
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TUNABLE TRANSCONDUCTANCE-CAPACITANCE FILTER WITH COEFFICIENTS INDEP...
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OTA-BASED CURRENT-MODE FILTER AND OSCILLATOR
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- MANIPAL INSTITUTE OF TECHNOLOGY
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- H03 - BASIC ELECTRONIC CIRCUITRY
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TUNABLE TRANSCONDUCTANCE-CAPACITANCE FILTER WITH COEFFICIENTS INDEP...
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- Publication date Feb 2, 2012
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COMPLIMENTARY SINGLE-ENDED-INPUT OTA-C UNIVERSAL FILTER STRUCTURES
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- Chung Yuan Christian University
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- Publication date Feb 3, 2011
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Bias circuit, and gm-C filter circuit and semiconductor integrated...
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FILTER CIRCUIT
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- Publication date May 13, 2010
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Nth Order Tunable Low-Pass Continuous Time Filter for Fiber Optic R...
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- Publication date Mar 4, 2010
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APPARATUS AND METHOD FOR TUNING CENTER FREQUENCY OF A FILTER
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Information Patent Application
BANDPASS FILTER CIRCUIT, BAND-ELIMINATION FILTER CIRCUIT, INFRARED...
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Information Patent Application
Waveform equalizer and information reproducing apparatus therewith
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- Publication date Aug 2, 2007
- Koji Nishikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
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Transconductor, integrator, and filter circuit
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- Publication date Jun 28, 2007
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- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
APPARATUS AND METHOD FOR TUNING CENTER FREQUENCY OF A FILTER
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- Publication date May 24, 2007
- Wei-Hsuan Tu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Filter circuit and detection circuit having filter circuit
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Information Patent Application
Integrated circuit arrangement comprising an active filter and a me...
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- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method and apparatus for checking the response of a transconductanc...
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- Publication date Jan 29, 2004
- Horia Giuroiu
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Information Patent Application
Integrated low power channel select filter having high dynamic rang...
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- Publication date Nov 6, 2003
- ATHEROS COMMUNICATIONS, INC.
- Brian Kaczynski
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Information Patent Application
Filter circuit and detection circuit having filter circuit
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- Publication date Oct 2, 2003
- Akira Yoshida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Common mode transient reduction circuit for improving transient res...
- Publication number 20030112543
- Publication date Jun 19, 2003
- International Business Machines Corporation
- Kevin B. Ohlson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Continuous-time analog filter having controllable gain characteristics
- Publication number 20030067347
- Publication date Apr 10, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Toshitsugu Miwa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD OF CONTROLLING COMMON-MODE IN DIFFERENTIAL GM-C CIRCUITS
- Publication number 20020118061
- Publication date Aug 29, 2002
- Michael W. Altmann
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Information Patent Application
Automatic filter tuning control system
- Publication number 20020011896
- Publication date Jan 31, 2002
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- H03 - BASIC ELECTRONIC CIRCUITRY

Two integrator loop filters

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Architecture to reject near end blockers and transmit leakage

Bi-quad calibration

Operational transconductance amplifier, operational transconductanc...

OTA-based current-mode filter and oscillator

Complimentary single-ended-input OTA-C universal filter structures

Tunable transconductance-capacitance filter with coefficients indep...

Bandpass filter circuit, band-elimination filter circuit, infrared...

Nth order tunable low-pass continuous time filter for fiber optic r...

Filter circuit

Apparatus and method for tuning center frequency of a filter

Transconductor, integrator, and filter circuit

Waveform equalizer and information reproducing apparatus therewith

Apparatus and method for tuning center frequency of a filter

Filter circuit and detection circuit having filter circuit

Integrated low power channel select filter having high dynamic rang...

Integrated circuit arrangement comprising an active filter and a me...

Filter circuit and detection circuit having filter circuit

Method and apparatus for checking the response of a transconductanc...

Continuous-time analog filter having controllable gain characteristics

Common mode transient reduction circuit for improving transient res...

Automatic filter tuning control system

Method of controlling common-mode in differential gm-C circuits

High-frequency boost technique

Biquadratic basic cell for programmable analog time-continuous filter

Filter circuit

Gm-C cell with two-stage common mode control and current boost

Integrated adaptive cable equalizer using a continuous-time filter

gm-C cell with two stage common mode control and current boost

Circuit technique for implementing programmable zeros in high speed...

High-pass filter structure with programmable zeros

Patents Applicationslast 30 patents

BI-QUAD CALIBRATION

TRANSCONDUCTANCE ADJUSTING CIRCUIT, FILTER CIRCUIT, AND ELECTRONIC...

RESONANT FILTER, DELTA-SIGMA A/D CONVERTER, AND SEMICONDUCTOR DEVICE

TUNABLE TRANSCONDUCTANCE-CAPACITANCE FILTER WITH COEFFICIENTS INDEP...

OTA-BASED CURRENT-MODE FILTER AND OSCILLATOR

TUNABLE TRANSCONDUCTANCE-CAPACITANCE FILTER WITH COEFFICIENTS INDEP...

COMPLIMENTARY SINGLE-ENDED-INPUT OTA-C UNIVERSAL FILTER STRUCTURES

Apparatus and Method for Tuning a GM-C Filter

Bias circuit, and gm-C filter circuit and semiconductor integrated...

FILTER CIRCUIT

Nth Order Tunable Low-Pass Continuous Time Filter for Fiber Optic R...

APPARATUS AND METHOD FOR TUNING CENTER FREQUENCY OF A FILTER

BANDPASS FILTER CIRCUIT, BAND-ELIMINATION FILTER CIRCUIT, INFRARED...

Waveform equalizer and information reproducing apparatus therewith

Transconductor, integrator, and filter circuit

APPARATUS AND METHOD FOR TUNING CENTER FREQUENCY OF A FILTER

Filter circuit and detection circuit having filter circuit

Integrated circuit arrangement comprising an active filter and a me...

Method and apparatus for checking the response of a transconductanc...

Integrated low power channel select filter having high dynamic rang...

Filter circuit and detection circuit having filter circuit

Common mode transient reduction circuit for improving transient res...

Continuous-time analog filter having controllable gain characteristics

METHOD OF CONTROLLING COMMON-MODE IN DIFFERENTIAL GM-C CIRCUITS

Automatic filter tuning control system