JP3232568B2 - 入力信号レベル検出方法および装置 - Google Patents

入力信号レベル検出方法および装置

Info

Publication number
JP3232568B2
JP3232568B2 JP51383195A JP51383195A JP3232568B2 JP 3232568 B2 JP3232568 B2 JP 3232568B2 JP 51383195 A JP51383195 A JP 51383195A JP 51383195 A JP51383195 A JP 51383195A JP 3232568 B2 JP3232568 B2 JP 3232568B2
Authority
JP
Japan
Prior art keywords
filter
signal
sample
level detector
level
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.)
Expired - Fee Related
Application number
JP51383195A
Other languages
English (en)
Japanese (ja)
Other versions
JPH08505949A (ja
Inventor
コンネル，ロウレンス・エドウィン
キャリコッテ，マーク・ジョセフ
ロックナー，ウィリアム・ジョセフ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of JPH08505949A publication Critical patent/JPH08505949A/ja
Application granted granted Critical
Publication of JP3232568B2 publication Critical patent/JP3232568B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Amplifiers (AREA)
JP51383195A 1993-11-09 1994-10-17 入力信号レベル検出方法および装置 Expired - Fee Related JP3232568B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14948193A 1993-11-09 1993-11-09
US08/149,481 1993-11-09
PCT/US1994/011764 WO1995013655A1 (en) 1993-11-09 1994-10-17 Method and apparatus for detecting an input signal level

Publications (2)

Publication Number Publication Date
JPH08505949A JPH08505949A (ja) 1996-06-25
JP3232568B2 true JP3232568B2 (ja) 2001-11-26

Family

ID=22530475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51383195A Expired - Fee Related JP3232568B2 (ja) 1993-11-09 1994-10-17 入力信号レベル検出方法および装置

Country Status (12)

Country Link
US (1) US6023191A (OSRAM)
JP (1) JP3232568B2 (OSRAM)
KR (1) KR0179412B1 (OSRAM)
CN (1) CN1072359C (OSRAM)
AU (1) AU683506B2 (OSRAM)
BR (1) BR9405747A (OSRAM)
CA (1) CA2152497C (OSRAM)
FR (1) FR2713848A1 (OSRAM)
GB (1) GB2289132B (OSRAM)
RU (1) RU2171007C2 (OSRAM)
WO (1) WO1995013655A1 (OSRAM)
ZA (1) ZA948521B (OSRAM)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996023316A1 (en) * 1995-01-24 1996-08-01 International Business Machines Corporation Raster demodulation apparatus and method
GB9601885D0 (en) * 1996-01-31 1996-04-03 Wolfson Ltd Compandors
DE19630416C1 (de) * 1996-07-26 1997-10-23 Sgs Thomson Microelectronics SC-Filter mit intrinsischer Anti-Aliasing-Funktion sowie damit ausgerüsteter Audiosignalprocessor
GB2324161B (en) * 1997-04-09 2001-11-28 Motorola Israel Ltd Method and apparatus for detecting peaks of a signal
KR200153217Y1 (ko) * 1997-05-08 1999-08-02 윤종용 디스플레이장치의 광대역 수평 사이즈 조절회로
KR100299139B1 (ko) * 1997-12-31 2001-11-14 윤종용 데시메이션여파기장치및방법
TW427053B (en) * 1999-03-10 2001-03-21 Nat Science Council Low voltage switched capacitor integrator having offset voltage compensation and the filter using the same
US6337645B1 (en) * 1999-03-23 2002-01-08 Microsoft Corporation Filter for digital-to-analog converters
US6937912B1 (en) * 1999-04-16 2005-08-30 Orban, Inc. Anti-aliased clipping by band-limited modulation with step functions
FR2819600B1 (fr) * 2001-01-16 2003-04-11 Thomson Csf Procede et dispositif de generation d'un signal aleatoire a histogramme et spectre controles
US6891429B1 (en) * 2002-12-18 2005-05-10 Cypress Semiconductor Corporation Switched capacitor filter
WO2005036608A2 (en) * 2003-10-10 2005-04-21 That Corporation Low-power integrated-circuit signal processor with wide dynamic range
US6972620B2 (en) 2004-02-19 2005-12-06 Optical Communication Products, Inc. Post amplifier array integrated circuit
US7477079B2 (en) * 2004-09-10 2009-01-13 Cirrus Logic, Inc. Single ended switched capacitor circuit
GB0725111D0 (en) 2007-12-21 2008-01-30 Wolfson Microelectronics Plc Lower rate emulation
US8810396B2 (en) 2008-12-22 2014-08-19 S.P.M. Instrument Ab Analysis system
US8812265B2 (en) 2008-12-22 2014-08-19 S.P.M. Instrument Ab Analysis system
CN103398768B (zh) 2008-12-22 2017-10-13 S.P.M.仪器公司 分析具有旋转部件的机器的状态的方法和系统
EP2370800B1 (en) 2008-12-22 2022-01-26 S.P.M. Instrument AB An analysis system
CN102449445B (zh) 2009-05-05 2014-12-17 S.P.M.仪器公司 用于分析具有旋转部件的机器振动的设备和方法
SE535559C2 (sv) 2010-01-18 2012-09-25 Spm Instr Ab Förfarande och anordning för analys av tillståndet hos maskin med roterande del
WO2013009258A1 (en) 2011-07-14 2013-01-17 S.P.M. Instrument Ab A method and a system for analysing the condition of a rotating machine part
US9491008B2 (en) * 2014-07-11 2016-11-08 Rambus Inc. On-chip AC coupled receiver with real-time linear baseline-wander compensation
CN104868856B (zh) * 2015-05-28 2018-03-23 北京凌阳益辉科技有限公司 一种非线性反馈电路及集成放大电路

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6244597Y2 (OSRAM) * 1979-12-05 1987-11-26
US4480338A (en) * 1982-03-01 1984-10-30 Zenith Electronics Corporation Lowpass-highpass electronic switch
NL8202687A (nl) * 1982-07-05 1984-02-01 Philips Nv Decimerende filterinrichting.
JPS6397021A (ja) * 1986-10-13 1988-04-27 Mitsubishi Electric Corp 圧縮装置
JPS6413144A (en) * 1987-07-06 1989-01-18 Fuji Photo Film Co Ltd Photopolymerizable composition
US4837619A (en) * 1987-10-28 1989-06-06 North American Philips Corporation Scan rate conversion apparatus and method
JPH01143513A (ja) * 1987-11-30 1989-06-06 Matsushita Electric Ind Co Ltd 信号レベル圧縮，伸長装置
IT1238117B (it) * 1989-10-16 1993-07-07 Marelli Autronica Circuito a condensatori commutati, integrabile in tecnologia mos, con funzione di raddrizzatore a doppia semionda e di integratore
JPH04143513A (ja) * 1990-10-04 1992-05-18 Takagi Ind Co Ltd 燃焼器具からの排ガスの屋内流出による危険防止方法
DE4039670A1 (de) * 1990-12-12 1992-06-17 Siemens Ag Kompressionsverstaerker mit offsetkompensation in schalter/kondensator-technik (sc-technik)
US5264804A (en) * 1992-02-05 1993-11-23 Kabushiki Kaisha Toshiba Lowpass filter with improved D.C. offset performance
US5289059A (en) * 1992-06-05 1994-02-22 Nokia Mobile Phones, Ltd. Switched capacitor decimator
US5245299A (en) * 1992-06-15 1993-09-14 Motorola, Inc. Compandor with DC-coupled compressor

Also Published As

Publication number Publication date
FR2713848B1 (OSRAM) 1997-02-28
RU2171007C2 (ru) 2001-07-20
GB2289132B (en) 1997-06-18
ZA948521B (en) 1995-06-26
CA2152497C (en) 1999-01-12
KR0179412B1 (en) 1999-04-01
CN1116464A (zh) 1996-02-07
WO1995013655A1 (en) 1995-05-18
FR2713848A1 (fr) 1995-06-16
GB9513639D0 (en) 1995-09-06
GB2289132A (en) 1995-11-08
CA2152497A1 (en) 1995-05-18
AU683506B2 (en) 1997-11-13
JPH08505949A (ja) 1996-06-25
US6023191A (en) 2000-02-08
AU8079494A (en) 1995-05-29
CN1072359C (zh) 2001-10-03
BR9405747A (pt) 1995-12-05

Similar Documents

Publication Publication Date Title
JP3232568B2 (ja) 入力信号レベル検出方法および装置
US5699006A (en) DC blocking apparatus and technique for sampled data filters
KR101597040B1 (ko) 용량성 신호 소스에 의해 제공된 신호를 증폭하기 위한 시스템 및 집적 회로
JP3214981B2 (ja) Ａｇｃ機能付きデルタシグマ型ａ／ｄ変換器
CN109586718A (zh) 降低模数转换器噪声的电路、降噪方法和设备
JPH02214323A (ja) 適応型ハイパスフィルタ
EP3699610B1 (en) Capacitance-to-voltage interface circuit
Tsividis et al. Current-mode filters using syllabic companding
JP2653775B2 (ja) サンプリングレート変換装置
KR880000680B1 (ko) 잡음 저감 장치(雜音低減裝置)
US6697002B2 (en) Low-pass filter
KR100204539B1 (ko) 시그마 델타 모듈레이터
US4600915A (en) Digital-to-analog converter circuit
JPH0522077A (ja) ローパスフイルタ内蔵差動増幅回路
JPS61193517A (ja) Ａ／ｄ変換器
JPS6041885B2 (ja) 折れ線特性をもつ信号振幅圧伸器
WO1997028600A1 (en) Companders
JP2002261616A (ja) Ｄ／ａ変換装置
JP2003273740A (ja) Ｄ／ａ変換装置
JP2001230672A (ja) １ビット信号再生装置
HK1018721A (en) Dc blocking apparatus and technique for sampled data filters
HK1018667A (en) Dc blocking apparatus and technique for sampled data filters
JPH05211419A (ja) Ｐｌｌによる遮断周波数自動設定回路
JPH08172338A (ja) 半導体集積回路
HU192211B (en) Apparatus for the automatic compression or expansion of the volume range of sound signals

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees