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ELECTRICITY
H03
Electronic circuits
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IMPEDANCE NETWORKS
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Networks using active elements
Current Industry
H03H11/0472
Current or voltage controlled filters
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Patents Grants
last 30 patents
Information
Patent Grant
Transconductor circuits with programmable tradeoff between bandwidt...
Patent number
11,569,797
Issue date
Jan 31, 2023
ANALOG DEVICES INC
Antonio Montalvo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Noise filter
Patent number
11,387,811
Issue date
Jul 12, 2022
Semiconductor Components Industries, LLC
Pavel Londak
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Ring oscillator based RC calibration circuit
Patent number
10,826,501
Issue date
Nov 3, 2020
Silicon Laboratories Inc.
Abdulkerim L. Coban
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Reconfigurable analog filter with offset compensation
Patent number
10,686,427
Issue date
Jun 16, 2020
Marvell International Ltd.
Manisha Gambhir
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Active resonator system with tunable quality factor, frequency, and...
Patent number
10,530,337
Issue date
Jan 7, 2020
The Regents of the University of California
Clark T.-C. Nguyen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Inverter-based filter biasing with ring oscillator-based supply reg...
Patent number
10,469,090
Issue date
Nov 5, 2019
Xilinx, Inc.
Kevin Zheng
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Active resonator system with tunable quality factor, frequency, and...
Patent number
10,177,742
Issue date
Jan 8, 2019
The Regents of the University of California
Clark T.-C. Nguyen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Resonator having distributed transconductance elements
Patent number
9,948,235
Issue date
Apr 17, 2018
International Business Machines Corporation
Mark A. Ferriss
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Resonator having distributed transconductance elements
Patent number
9,948,236
Issue date
Apr 17, 2018
International Business Machines Corporation
Mark A. Ferriss
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Systems and methods for communicating high speed signals in a commu...
Patent number
9,891,638
Issue date
Feb 13, 2018
Adtran, Inc.
Daniel M. Joffe
G05 - CONTROLLING REGULATING
Information
Patent Grant
Tunable multi-path filter
Patent number
9,712,140
Issue date
Jul 18, 2017
MOTOROLA SOLUTIONS, INC.
Raul Salvi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Bandpass filter providing wide gain control range
Patent number
9,698,738
Issue date
Jul 4, 2017
Electronics and Telecommunications Research Institute
Seon-Ho Han
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Gain-boosted n-path passive-mixer-first receiver with a single mixi...
Patent number
9,680,448
Issue date
Jun 13, 2017
University of Macau
Pui-In Mak
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Radio-frequency-to-baseband function-reuse receiver with shared amp...
Patent number
9,673,781
Issue date
Jun 6, 2017
University of Macau
Pui-In Mak
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Ultra-low-voltage current-reuse voltage-controlled oscillator and t...
Patent number
9,444,431
Issue date
Sep 13, 2016
University of Macau
Pui-In Mak
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and apparatus to reconfigure a filter
Patent number
9,419,587
Issue date
Aug 16, 2016
Marvell International Ltd.
Zhigang Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bi-quad calibration
Patent number
9,407,240
Issue date
Aug 2, 2016
Spero Devices, Inc.
Dev V. Gupta
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Operational transconductance amplifier, operational transconductanc...
Patent number
9,401,694
Issue date
Jul 26, 2016
National Taiwan University of Science and Technology
Sheng-Yu Peng
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Resonator having distributed transconductance elements
Patent number
9,300,246
Issue date
Mar 29, 2016
International Business Machines Corporation
Mark A. Ferriss
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Systems and methods for filter initialization and tuning
Patent number
9,276,560
Issue date
Mar 1, 2016
Avago Technologies General IP (Singapore) Pte. Ltd.
James A. Bailey
G11 - INFORMATION STORAGE
Information
Patent Grant
Transconductance adjustment circuit, circuit device, and electronic...
Patent number
9,013,234
Issue date
Apr 21, 2015
Seiko Epson Corporation
Toshiyuki Misawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Image rejection for low IF receivers
Patent number
8,847,676
Issue date
Sep 30, 2014
FREESCALE SEMICONDUCTOR, INC.
Sateh Jalaleddine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Second order active high-pass filter with cross-coupled feedback fo...
Patent number
8,698,554
Issue date
Apr 15, 2014
LSI Corporation
Andrew P. Krebs
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Systems and methods for filter initialization and tuning
Patent number
8,560,589
Issue date
Oct 15, 2013
LSI Corporation
James A. Bailey
G11 - INFORMATION STORAGE
Information
Patent Grant
High accuracy RC calibradion circuit
Patent number
8,552,797
Issue date
Oct 8, 2013
ST-Ericsson SA
Charles Guo Lin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Complimentary single-ended-input OTA-C universal filter structures
Patent number
8,461,917
Issue date
Jun 11, 2013
Chung Yuan Christian University
Chun-Ming Chang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Filter device and control method of the same
Patent number
8,410,844
Issue date
Apr 2, 2013
Asahi Kasei Microdevices Corporation
Mikio Kamada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Tunable transconductance-capacitance filter with coefficients indep...
Patent number
8,390,371
Issue date
Mar 5, 2013
Tialinx, Inc.
Mohammad Ardehali
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Active low-pass current filter
Patent number
8,368,248
Issue date
Feb 5, 2013
Don D. Davis
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Background offset cancellation scheme for continuous time gm-C filters
Patent number
7,876,147
Issue date
Jan 25, 2011
Marvell International Ltd.
Fu-Tai An
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
NOISE FILTER
Publication number
20220123734
Publication date
Apr 21, 2022
Semiconductor Components Industries, LLC
Pavel LONDAK
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TRANSCONDUCTOR CIRCUITS WITH PROGRAMMABLE TRADEOFF BETWEEN BANDWIDT...
Publication number
20210409002
Publication date
Dec 30, 2021
Analog Devices, Inc.
Antonio Montalvo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ACTIVE RESONATOR SYSTEM WITH TUNABLE QUALITY FACTOR, FREQUENCY, AND...
Publication number
20190190497
Publication date
Jun 20, 2019
The Regents of the University of California
Clark T.-C. Nguyen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
RESONATOR HAVING DISTRIBUTED TRANSCONDUCTANCE ELEMENTS
Publication number
20170201215
Publication date
Jul 13, 2017
International Business Machines Corporation
MARK A. FERRISS
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ACTIVE RESONATOR SYSTEM WITH TUNABLE QUALITY FACTOR, FREQUENCY, AND...
Publication number
20170126206
Publication date
May 4, 2017
The Regents of the University of California
Clark T.-C. Nguyen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ULTRA-LOW-VOLTAGE CURRENT-REUSE VOLTAGE-CONTROLLED OSCILLATOR AND T...
Publication number
20160233848
Publication date
Aug 11, 2016
UNIVERSITY OF MACAU
Pui-In MAK
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
RESONATOR HAVING DISTRIBUTED TRANSCONDUCTANCE ELEMENTS
Publication number
20160049906
Publication date
Feb 18, 2016
International Business Machines Corporation
MARK A. FERRISS
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
RESONATOR HAVING DISTRIBUTED TRANSCONDUCTANCE ELEMENTS
Publication number
20150244320
Publication date
Aug 27, 2015
International Business Machines Corporation
MARK A. FERRISS
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
BI-QUAD CALIBRATION
Publication number
20140306777
Publication date
Oct 16, 2014
NewLANS, Inc.
Dev V. Gupta
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TRANSCONDUCTANCE ADJUSTING CIRCUIT, FILTER CIRCUIT, AND ELECTRONIC...
Publication number
20140285256
Publication date
Sep 25, 2014
SONY CORPORATION
Syou Mitsuishi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Systems and Methods for Filter Initialization and Tuning
Publication number
20140012888
Publication date
Jan 9, 2014
LSI Corporation
James A. Bailey
G11 - INFORMATION STORAGE
Information
Patent Application
IMAGE REJECTION FOR LOW IF RECEIVERS
Publication number
20130342267
Publication date
Dec 26, 2013
Sateh Jalaleddine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSCONDUCTANCE ADJUSTMENT CIRCUIT, CIRCUIT DEVICE, AND ELECTRONIC...
Publication number
20130265106
Publication date
Oct 10, 2013
SEIKO EPSON CORPORATION
Toshiyuki MISAWA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TUNABLE TRANSCONDUCTANCE-CAPACITANCE FILTER WITH COEFFICIENTS INDEP...
Publication number
20130162338
Publication date
Jun 27, 2013
TiaLinx, Inc.
Mohammad Ardehali
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SECOND ORDER ACTIVE HIGH-PASS FILTER WITH CROSS-COUPLED FEEDBACK FO...
Publication number
20130154726
Publication date
Jun 20, 2013
Andrew P. Krebs
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
High Accuracy RC Calibradion Circuit
Publication number
20130033307
Publication date
Feb 7, 2013
Charles Guo Lin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Tunable Biquad Filter Circuit Including Phase Shift Detection and M...
Publication number
20120075011
Publication date
Mar 29, 2012
LSI CORPORATION
James A. Bailey
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Systems and Methods for Filter Initialization and Tuning
Publication number
20120075012
Publication date
Mar 29, 2012
LSI CORPORATION
James A. Bailey
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FILTER DEVICE AND CONTROL METHOD OF THE SAME
Publication number
20120049944
Publication date
Mar 1, 2012
Mikio Kamada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TUNABLE TRANSCONDUCTANCE-CAPACITANCE FILTER WITH COEFFICIENTS INDEP...
Publication number
20120025899
Publication date
Feb 2, 2012
Tialinx, Inc.
Mohammad Ardehali
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
COMPLIMENTARY SINGLE-ENDED-INPUT OTA-C UNIVERSAL FILTER STRUCTURES
Publication number
20110316628
Publication date
Dec 29, 2011
Chung Yuan Christian University
Chun-Ming CHANG
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD FOR CALIBRATING FREQUENCY OF GM-C FILTER AND DEVICES USING T...
Publication number
20110166817
Publication date
Jul 7, 2011
Yun-Cheol Han
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Active Low-Pass Current Filter
Publication number
20110109159
Publication date
May 12, 2011
Texas Memory Systems, Inc.
Don D. Davis
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Apparatus and Method for Tuning a GM-C Filter
Publication number
20110025411
Publication date
Feb 3, 2011
Qualcomm Incorporated
Francesco Piazza
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Bias circuit, and gm-C filter circuit and semiconductor integrated...
Publication number
20100188143
Publication date
Jul 29, 2010
SONY CORPORATION
Teisuke Kishikawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FILTER CIRCUIT, CONTINUOUS TIME FILTER, AND SIGNAL REPRODUCING APPA...
Publication number
20100164554
Publication date
Jul 1, 2010
TOSHIBA STORAGE DEVICE CORPORATION
Isao TSUYAMA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Nth Order Tunable Low-Pass Continuous Time Filter for Fiber Optic R...
Publication number
20100052778
Publication date
Mar 4, 2010
Dalius Baranauskas
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Filter Circuit for Wireless Applications and Noise Reduction Method
Publication number
20080284505
Publication date
Nov 20, 2008
Hiroyuki Okada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
APPARATUS AND METHOD FOR TUNING CENTER FREQUENCY OF A FILTER
Publication number
20080252365
Publication date
Oct 16, 2008
Wei-Hsuan Tu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Apparatus and method for tuning a band pass filter
Publication number
20080139160
Publication date
Jun 12, 2008
Seeteck Tan
H03 - BASIC ELECTRONIC CIRCUITRY