Simulation of ladder networks

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CPC
H03H11/0444

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

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H03H11/0444Simulation of ladder networks

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Patents Grantslast 30 patents

Information Patent Grant
Multi-band filter architectures
- Patent number 10,439,593
- Issue date Oct 8, 2019
- QUALCOMM Incorporated
- Timothy Donald Gathman
- 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
Equalizers and methods for equalizing
- Patent number 7,733,950
- Issue date Jun 8, 2010
- Samsung Electronics Co., Ltd.
- Hyung-Jong Ko
- G11 - INFORMATION STORAGE
Information Patent Grant
Filter circuit for wireless applications and noise reduction method
- Patent number 7,719,349
- Issue date May 18, 2010
- NEC Corporation
- Hiroyuki Okada
- H03 - BASIC ELECTRONIC CIRCUITRY
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
Transconductance filtering circuit
- Patent number 7,511,570
- Issue date Mar 31, 2009
- STMicroelectronics S.A.
- David Chamla
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filter calibration with cell re-use
- Patent number 7,471,142
- Issue date Dec 30, 2008
- Broadcom Corporation
- Qiang (Tom) Li
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus and method for tuning a band pass filter
- Patent number 7,463,086
- Issue date Dec 9, 2008
- O2Micro International Ltd.
- Seeteck Tan
- 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
Tunable poly-phase filter and method for calibration thereof
- Patent number 7,292,092
- Issue date Nov 6, 2007
- Integration Associates Inc.
- Hendricus De Ruijter
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transconductor circuits
- Patent number 7,265,609
- Issue date Sep 4, 2007
- Koninklijke Philips Electronics N.V.
- John B. Hughes
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Active polyphase ladder filters with transmission zeros and their s...
- Patent number 7,196,574
- Issue date Mar 27, 2007
- Adam S. Vishinsky
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Active filter circuit with reduced noise
- Patent number 7,009,446
- Issue date Mar 7, 2006
- Oki Electric Industry Co. Ltd.
- Yoshikazu Yoshida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable gain amplifier and filter circuit
- Patent number 6,714,075
- Issue date Mar 30, 2004
- Matsushita Electric Industrial Co., Ltd.
- Takashi Morie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Operational transconductance amplifier and filter circuit
- Patent number 6,608,525
- Issue date Aug 19, 2003
- Fujitsu Limited
- Yoshihiro Kizaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transconductor and filter circuit
- Patent number 6,556,073
- Issue date Apr 29, 2003
- Matsushita Electric Industrial Co., Ltd.
- Takashi Morie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transconductor and filter circuit
- Patent number 6,472,932
- Issue date Oct 29, 2002
- Matsushita Electric Industrial Co., Ltd.
- Takashi Morie
- H03 - BASIC ELECTRONIC CIRCUITRY
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
Programmable pulse slimmer system for low pass ladder filter
- Patent number 6,144,981
- Issue date Nov 7, 2000
- Analog Devices, Inc.
- Janos Kovacs
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuitry and method for providing boost and asymmetry in a continu...
- Patent number 6,069,522
- Issue date May 30, 2000
- Texas Instruments Incorporated
- Srinivasan Venkatraman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage controlled oscillator circuit composed of OTA-C filters
- Patent number 5,852,385
- Issue date Dec 22, 1998
- NEC Corporation
- Masanori Izumikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Positive current source
- Patent number 5,812,020
- Issue date Sep 22, 1998
- Hughes Electronics Corporation
- Gopal Raghavan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
NPN bipolar circuit topology for a tunable transconductance cell an...
- Patent number 5,726,600
- Issue date Mar 10, 1998
- Hughes Aircraft Company
- Gopal Raghavan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Fully integrated programmable filters for disc drive subsystems
- Patent number 5,596,459
- Issue date Jan 21, 1997
- Seagate Technology, Inc.
- Vladimir Kovner
- G11 - INFORMATION STORAGE
Information Patent Grant
Fully integrated programmable filters for disc drive subsystems
- Patent number 5,392,171
- Issue date Feb 21, 1995
- Seagate Technology, Inc.
- Vladimir Kovner
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrically controllable oscillator circuit, and electrically cont...
- Patent number 5,117,205
- Issue date May 26, 1992
- U.S. Philips Corporation
- Bram Nauta
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
MOS transconductance amplifier for active filters
- Patent number 4,823,092
- Issue date Apr 18, 1989
- Wolfson Microelectronics Limited
- John L. Pennock
- H03 - BASIC ELECTRONIC CIRCUITRY

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
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
Information Patent Application
Filter calibration with cell re-use
- Publication number 20070262813
- Publication date Nov 15, 2007
- Qiang (Tom) Li
- 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
Transconductance filtering circuit
- Publication number 20070194854
- Publication date Aug 23, 2007
- STMicroelectronics S.A.
- David Chamla
- 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
Transconductor circuits
- Publication number 20060250180
- Publication date Nov 9, 2006
- Koninklijke Philips Electronics N.V.
- John B. Hughes
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Equalizers and methods for equalizing
- Publication number 20060140263
- Publication date Jun 29, 2006
- Hyung-Jong Ko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunable poly-phase filter and method for calibration thereof
- Publication number 20060049899
- Publication date Mar 9, 2006
- INTEGRATION ASSOCIATES INC.
- Hendricus De Ruijter
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Low noise image-reject gm-c filter
- Publication number 20030128068
- Publication date Jul 10, 2003
- Farbod Behbahani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Variable gain amplifier and filter circuit
- Publication number 20030095005
- Publication date May 22, 2003
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Takashi Morie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Operational transconductance amplifier and filter circuit
- Publication number 20030011429
- Publication date Jan 16, 2003
- FUJITSU LIMITED
- Yoshihiro Kizaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Transconductor and filter circuit
- Publication number 20030006834
- Publication date Jan 9, 2003
- Takashi Morie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Filter circuit
- Publication number 20010048342
- Publication date Dec 6, 2001
- Yoshikazu Yoshida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Transconductor and filter circuit
- Publication number 20010020865
- Publication date Sep 13, 2001
- Takashi Morie
- H03 - BASIC ELECTRONIC CIRCUITRY

Simulation of ladder networks

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Multi-band filter architectures

Image rejection for low IF receivers

Equalizers and methods for equalizing

Filter circuit for wireless applications and noise reduction method

Apparatus and method for tuning center frequency of a filter

Transconductance filtering circuit

Filter calibration with cell re-use

Apparatus and method for tuning a band pass filter

Apparatus and method for tuning center frequency of a filter

Tunable poly-phase filter and method for calibration thereof

Transconductor circuits

Active polyphase ladder filters with transmission zeros and their s...

Active filter circuit with reduced noise

Variable gain amplifier and filter circuit

Operational transconductance amplifier and filter circuit

Transconductor and filter circuit

Transconductor and filter circuit

Variable gain control circuit for a receiver and method therefor

Programmable pulse slimmer system for low pass ladder filter

Circuitry and method for providing boost and asymmetry in a continu...

Voltage controlled oscillator circuit composed of OTA-C filters

Positive current source

NPN bipolar circuit topology for a tunable transconductance cell an...

Fully integrated programmable filters for disc drive subsystems

Fully integrated programmable filters for disc drive subsystems

Electrically controllable oscillator circuit, and electrically cont...

MOS transconductance amplifier for active filters

Patents Applicationslast 30 patents

IMAGE REJECTION FOR LOW IF RECEIVERS

Filter Circuit for Wireless Applications and Noise Reduction Method

APPARATUS AND METHOD FOR TUNING CENTER FREQUENCY OF A FILTER

Apparatus and method for tuning a band pass filter

Filter calibration with cell re-use

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

Transconductance filtering circuit

APPARATUS AND METHOD FOR TUNING CENTER FREQUENCY OF A FILTER

Transconductor circuits

Equalizers and methods for equalizing

Tunable poly-phase filter and method for calibration thereof

Low noise image-reject gm-c filter

Variable gain amplifier and filter circuit

Operational transconductance amplifier and filter circuit

Transconductor and filter circuit

Filter circuit

Transconductor and filter circuit