JP2006187002A5 - - Google Patents

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Publication number
JP2006187002A5
JP2006187002A5 JP2005370660A JP2005370660A JP2006187002A5 JP 2006187002 A5 JP2006187002 A5 JP 2006187002A5 JP 2005370660 A JP2005370660 A JP 2005370660A JP 2005370660 A JP2005370660 A JP 2005370660A JP 2006187002 A5 JP2006187002 A5 JP 2006187002A5
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JP
Japan
Prior art keywords
signal
output
amplifier
digital error
error signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2005370660A
Other languages
English (en)
Japanese (ja)
Other versions
JP5386665B2 (ja
JP2006187002A (ja
Filing date
Publication date
Priority claimed from GB0428211A external-priority patent/GB2421648B/en
Application filed filed Critical
Publication of JP2006187002A publication Critical patent/JP2006187002A/ja
Publication of JP2006187002A5 publication Critical patent/JP2006187002A5/ja
Application granted granted Critical
Publication of JP5386665B2 publication Critical patent/JP5386665B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2005370660A 2004-12-23 2005-12-22 アンプ故障検出回路 Expired - Fee Related JP5386665B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0428211A GB2421648B (en) 2004-12-23 2004-12-23 Amplifier fault detection circuit
GB0428211.7 2004-12-23

Publications (3)

Publication Number Publication Date
JP2006187002A JP2006187002A (ja) 2006-07-13
JP2006187002A5 true JP2006187002A5 (enExample) 2009-02-12
JP5386665B2 JP5386665B2 (ja) 2014-01-15

Family

ID=34113149

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005370660A Expired - Fee Related JP5386665B2 (ja) 2004-12-23 2005-12-22 アンプ故障検出回路

Country Status (3)

Country Link
US (1) US7484139B2 (enExample)
JP (1) JP5386665B2 (enExample)
GB (1) GB2421648B (enExample)

Families Citing this family (18)

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CN101379698B (zh) * 2006-02-07 2012-04-18 D2音频有限公司 用于提高数字放大器中的反馈和/或前馈子系统的稳定性的系统和方法
US8456169B2 (en) * 2010-01-13 2013-06-04 International Business Machines Corporation High speed measurement of random variation/yield in integrated circuit device testing
KR101041714B1 (ko) * 2011-01-25 2011-06-14 한국수력원자력 주식회사 프로그래머블 논리 소자에 기반한 독립형 제어 모듈
WO2012158938A1 (en) * 2011-05-18 2012-11-22 Petra Solar, Inc. Method and system for managing feedback signal acquisition in a power controller
GB2550243B (en) 2014-08-29 2018-03-21 Cirrus Logic Int Semiconductor Ltd Class D amplifier circuit
US9306508B1 (en) * 2015-02-19 2016-04-05 King Fahd University Of Petroleum And Minerals Reconfigurable intergrator/differentiator circuit based on current follower
US10636285B2 (en) * 2017-06-14 2020-04-28 Allegro Microsystems, Llc Sensor integrated circuits and methods for safety critical applications
US10692362B2 (en) * 2017-06-14 2020-06-23 Allegro Microsystems, Llc Systems and methods for comparing signal channels having different common mode transient immunity
US10380879B2 (en) * 2017-06-14 2019-08-13 Allegro Microsystems, Llc Sensor integrated circuits and methods for safety critical applications
JP7199834B2 (ja) * 2018-05-24 2023-01-06 ラピスセミコンダクタ株式会社 半導体装置
JP7173800B2 (ja) * 2018-09-12 2022-11-16 ラピスセミコンダクタ株式会社 半導体装置および音出力装置
JP7189033B2 (ja) * 2019-01-23 2022-12-13 ラピスセミコンダクタ株式会社 半導体装置及び音出力装置
KR102665443B1 (ko) * 2019-05-30 2024-05-09 삼성전자주식회사 반도체 장치
US11750992B2 (en) * 2020-09-17 2023-09-05 Texas Instruments Incorporated Integrated circuit with switching amplifier output fault detection
US12203822B2 (en) 2022-04-14 2025-01-21 Allegro Microsystems, Llc Heterogeneous magnetic and inductive sensors
US11719769B1 (en) 2022-06-14 2023-08-08 Allegro Microsystems, Llc Method and apparatus for sensor signal path diagnostics
KR102785189B1 (ko) * 2022-11-29 2025-03-21 주식회사 현대케피코 일체형 모터 제어기의 모터 사양식별 및 고장진단 장치와 방법
US12455178B2 (en) 2023-12-22 2025-10-28 Allegro Microsystems, Llc Inductive linear stroke sensor using dual tracks with different periodicity

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128208A (ja) * 1984-07-18 1986-02-07 Iwatsu Electric Co Ltd レベル補償回路
JPH0637653A (ja) * 1992-07-15 1994-02-10 Nec Corp 送信機
US5974089A (en) 1997-07-22 1999-10-26 Tripath Technology, Inc. Method and apparatus for performance improvement by qualifying pulses in an oversampled noise-shaping signal processor
EP0968565A2 (en) 1998-01-22 2000-01-05 Koninklijke Philips Electronics N.V. Pwm amplifier
US20030122605A1 (en) * 1999-08-15 2003-07-03 Ulrick John W. Current limiting circuit
JP4223194B2 (ja) * 2001-01-31 2009-02-12 富士通株式会社 故障判定機能を備えた非線形歪補償送信装置
US6683494B2 (en) * 2001-03-26 2004-01-27 Harman International Industries, Incorporated Digital signal processor enhanced pulse width modulation amplifier
DE60234724D1 (de) * 2002-05-31 2010-01-21 Fujitsu Ltd Verzerrungskompensator
US6646501B1 (en) * 2002-06-25 2003-11-11 Nortel Networks Limited Power amplifier configuration
DE602004013940D1 (de) * 2003-03-21 2008-07-03 D2Audio Corp Systeme und verfahren zum schutz von audioverstärkerschaltungen
KR100498497B1 (ko) * 2003-05-10 2005-07-01 삼성전자주식회사 이상 상태에서 정상 상태로의 복귀 시에 발생되는 과도응답 현상을 방지하는 ｄ급 파워 증폭기 및 그 방법
US6987417B2 (en) * 2003-06-24 2006-01-17 Northrop Grumman Corpoation Polar and linear amplifier system
US7157969B2 (en) 2004-02-27 2007-01-02 Bhc Consulting Pty., Ltd. Low distortion class D amplifier using a controlled delay
GB2429351B (en) 2005-08-17 2009-07-08 Wolfson Microelectronics Plc Feedback controller for PWM amplifier

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