Tuning of transconductance via tail current source

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H03H2210/023

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HELECTRICITY H03Electronic circuits H03HIMPEDANCE NETWORKS H03H2210/00Indexing scheme relating to details of tunable filters

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H03H2210/023Tuning of transconductance via tail current source

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a batch of acoustic wave filters
- Patent number 10,727,802
- Issue date Jul 28, 2020
- Commissariat a l'Energie Atomique et Aux Energies Alternatives
- Alexandre Reinhardt
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resonant circuit with variable frequency and impedance
- Patent number 9,705,473
- Issue date Jul 11, 2017
- Commissariat A'Lenergie Atomique et aux Energies Alternatives
- Jean-Baptiste David
- 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
Apparatus and method for tuning center frequency of a filter
- Patent number 7,626,449
- Issue date Dec 1, 2009
- Mediatek Inc.
- Wei-Hsuan Tu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus and method for tuning center frequency of a filter
- Patent number 7,403,063
- Issue date Jul 22, 2008
- MediaTek Inc.
- Wei-Hsuan Tu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic tuning apparatus for filter and communication instrument
- Patent number 7,400,868
- Issue date Jul 15, 2008
- Matsushita Electric Industrial Co., Ltd.
- Masaru Fukusen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable gain control circuit for a receiver and method therefor
- Patent number 6,400,218
- Issue date Jun 4, 2002
- Motorola, Inc.
- Andrew G. Zocher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filter having minimized cut-off frequency variations
- Patent number 6,194,958
- Issue date Feb 27, 2001
- Analog Devices, Inc.
- Marc E. Goldfarb
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Active filter control apparatus
- Patent number 5,572,163
- Issue date Nov 5, 1996
- Hitachi, Ltd.
- Hiroshi Kimura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Base bias current compensator
- Patent number 4,952,867
- Issue date Aug 28, 1990
- Beltone Electronics Corporation
- James R. Anderson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable gain transconductance amplifier and variable bandwidth filter
- Patent number 4,881,043
- Issue date Nov 14, 1989
- Motorola, Inc.
- Barry L. Jason
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Hearing aid circuit
- Patent number 4,792,977
- Issue date Dec 20, 1988
- Beltone Electronics Corporation
- James R. Anderson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

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
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
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
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
CALIBRATION LOOP, FILTER CIRCUIT AND RELATED METHOD CAPABLE OF AUTO...
- Publication number 20070229174
- Publication date Oct 4, 2007
- Kwo-Wei Chang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
APPARATUS AND METHOD FOR TUNING CENTER FREQUENCY OF A FILTER
- Publication number 20070115070
- Publication date May 24, 2007
- Wei-Hsuan Tu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Automatic tuning apparatus for filter and communication instrument
- Publication number 20050148309
- Publication date Jul 7, 2005
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Masaru Fukusen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tuning of transconductance via tail current source

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for producing a batch of acoustic wave filters

Resonant circuit with variable frequency and impedance

Image rejection for low IF receivers

Apparatus and method for tuning center frequency of a filter

Apparatus and method for tuning center frequency of a filter

Automatic tuning apparatus for filter and communication instrument

Variable gain control circuit for a receiver and method therefor

Filter having minimized cut-off frequency variations

Active filter control apparatus

Base bias current compensator

Variable gain transconductance amplifier and variable bandwidth filter

Hearing aid circuit

Patents Applicationslast 30 patents

IMAGE REJECTION FOR LOW IF RECEIVERS

METHOD FOR CALIBRATING FREQUENCY OF GM-C FILTER AND DEVICES USING T...

Apparatus and Method for Tuning a GM-C Filter

APPARATUS AND METHOD FOR TUNING CENTER FREQUENCY OF A FILTER

CALIBRATION LOOP, FILTER CIRCUIT AND RELATED METHOD CAPABLE OF AUTO...

APPARATUS AND METHOD FOR TUNING CENTER FREQUENCY OF A FILTER

Automatic tuning apparatus for filter and communication instrument