FR2476323B1 - Dispositif de discrimination entre deux valeurs d'un signal, avec une compensation de composante continue - Google Patents
Dispositif de discrimination entre deux valeurs d'un signal, avec une compensation de composante continueInfo
- Publication number
- FR2476323B1 FR2476323B1 FR8103357A FR8103357A FR2476323B1 FR 2476323 B1 FR2476323 B1 FR 2476323B1 FR 8103357 A FR8103357 A FR 8103357A FR 8103357 A FR8103357 A FR 8103357A FR 2476323 B1 FR2476323 B1 FR 2476323B1
- Authority
- FR
- France
- Prior art keywords
- discrimination
- compensation
- values
- signal
- continuous component
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/695—Arrangements for optimizing the decision element in the receiver, e.g. by using automatic threshold control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0038—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing pulses or pulse trains according to amplitude)
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
- H03K5/2409—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using bipolar transistors
- H03K5/2427—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using bipolar transistors using clock signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/691—Arrangements for optimizing the photodetector in the receiver
- H04B10/6911—Photodiode bias control, e.g. for compensating temperature variations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
- H04L25/062—Setting decision thresholds using feedforward techniques only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
- H04L25/065—Binary decisions
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Control Of Amplification And Gain Control (AREA)
- Optical Communication System (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55019992A JPS5941343B2 (ja) | 1980-02-20 | 1980-02-20 | 二値符号直流帰還方式 |
JP8706080A JPS5711515A (en) | 1980-06-26 | 1980-06-26 | Automatic gain control amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2476323A1 FR2476323A1 (fr) | 1981-08-21 |
FR2476323B1 true FR2476323B1 (fr) | 1985-07-12 |
Family
ID=26356886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8103357A Expired FR2476323B1 (fr) | 1980-02-20 | 1981-02-20 | Dispositif de discrimination entre deux valeurs d'un signal, avec une compensation de composante continue |
Country Status (5)
Country | Link |
---|---|
US (1) | US4363977A (fr) |
CA (1) | CA1175919A (fr) |
DE (1) | DE3105758C2 (fr) |
FR (1) | FR2476323B1 (fr) |
GB (1) | GB2070375B (fr) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4728828A (en) * | 1983-06-20 | 1988-03-01 | Santa Barbara Research Center | Switched capacitor transresistance amplifier |
JPS61196614A (ja) * | 1985-02-26 | 1986-08-30 | Mitsubishi Electric Corp | チヨツパ型比較器 |
JPS61196172A (ja) * | 1985-02-26 | 1986-08-30 | Mitsubishi Electric Corp | チヨツパ型比較器 |
FR2579045B1 (fr) * | 1985-03-14 | 1988-03-04 | Bull Sa | Transducteur optoelectronique |
US4575683A (en) * | 1985-04-10 | 1986-03-11 | Harris Corporation | Apparatus and method for removing an offset signal |
US4852126A (en) * | 1986-02-07 | 1989-07-25 | Matsushita Electric Industrial Co., Ltd. | Digital information reproducing apparatus |
JPS62284519A (ja) * | 1986-06-02 | 1987-12-10 | Toshiba Corp | 信号検出回路 |
US4870262A (en) * | 1987-01-06 | 1989-09-26 | Alps Electric Co., Ltd. | Signal processing apparatus and binary encoder circuit for the same |
US4833418A (en) * | 1988-09-01 | 1989-05-23 | Archive Corporation | Compensation circuit for nullifying differential offset voltage and regulating common mode voltage of differential signals |
US5172280A (en) * | 1989-10-26 | 1992-12-15 | Archive Corporation | Apparatus and method for automatic write current calibration in a streaming tape drive |
FR2656427B1 (fr) * | 1989-12-22 | 1992-03-13 | Cit Alcatel | Circuit de mesure du niveau d'un signal electrique comprenant des moyens de correction de decalage et application aux amplificateurs a commande automatique de gain. |
US5371763A (en) * | 1992-11-13 | 1994-12-06 | At&T Corp. | Packet mode digital data receiver |
CA2106439A1 (fr) * | 1992-11-13 | 1994-05-14 | Yusuke Ota | Recepteur de donnees numeriques en salves |
EP0695064A1 (fr) * | 1994-07-26 | 1996-01-31 | Advanced Micro Devices, Inc. | Méthode et appareil de restitution de données |
KR960009110U (ko) * | 1994-08-12 | 1996-03-16 | 오디오 시스템의 직류 오프셋 보상회로 | |
US5515004A (en) * | 1995-01-30 | 1996-05-07 | Motorola, Inc. | Method and apparatus for precision gain control for amplified signals |
US5801867A (en) * | 1996-03-20 | 1998-09-01 | Ericsson Raynet | DC-coupled receiver for shared optical system |
EP0863640A3 (fr) * | 1997-03-04 | 2005-09-21 | Texas Instruments Incorporated | Dispositif d'interface perfectionné pour la couche physique |
JPH10276048A (ja) * | 1997-03-28 | 1998-10-13 | Sanyo Electric Co Ltd | オフセット補償回路 |
US6051998A (en) * | 1998-04-22 | 2000-04-18 | Mitsubishi Semiconductor America, Inc. | Offset-compensated peak detector with output buffering |
JP3502264B2 (ja) * | 1998-06-10 | 2004-03-02 | 株式会社沖コムテック | 受信装置 |
JP4060597B2 (ja) * | 2002-01-07 | 2008-03-12 | 富士通株式会社 | パルス幅検出回路及び受信回路 |
JP4299785B2 (ja) * | 2002-10-17 | 2009-07-22 | エヌエックスピー ビー ヴィ | 信号の振幅を検出するための方法及び装置 |
US7215883B1 (en) | 2003-01-24 | 2007-05-08 | Jds Uniphase Corporation | Methods for determining the performance, status, and advanced failure of optical communication channels |
US7002131B1 (en) | 2003-01-24 | 2006-02-21 | Jds Uniphase Corporation | Methods, systems and apparatus for measuring average received optical power |
KR100833755B1 (ko) * | 2007-01-15 | 2008-05-29 | 삼성에스디아이 주식회사 | 원장검사 장치 및 방법 |
AT506857B1 (de) * | 2008-05-30 | 2010-02-15 | Siemens Ag Oesterreich | Verfahren zur bestimmung des gleichanteils eines periodischen signals |
US20100258729A1 (en) * | 2009-04-13 | 2010-10-14 | Niles Audio Corporation | Infrared Repeater System |
US8791691B2 (en) * | 2011-03-24 | 2014-07-29 | Lsi Corporation | Fully differential signal peak detection architecture |
CN108231088B (zh) * | 2018-01-08 | 2021-04-06 | 北京小鱼在家科技有限公司 | 一种应用于语音数字信号的快速自动增益控制方法和装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3473131A (en) * | 1965-06-04 | 1969-10-14 | Radiation Inc | Level shift correction circuits |
US4027152A (en) * | 1975-11-28 | 1977-05-31 | Hewlett-Packard Company | Apparatus and method for transmitting binary-coded information |
US4156854A (en) * | 1978-05-26 | 1979-05-29 | Bell Telephone Laboratories, Incorporated | Differential amplifier balancing system |
US4328434A (en) * | 1979-11-16 | 1982-05-04 | Gte Laboratories Incorporated | Comparator circuit with offset correction |
-
1981
- 1981-02-13 CA CA000370825A patent/CA1175919A/fr not_active Expired
- 1981-02-17 DE DE3105758A patent/DE3105758C2/de not_active Expired
- 1981-02-19 GB GB8105318A patent/GB2070375B/en not_active Expired
- 1981-02-20 US US06/236,609 patent/US4363977A/en not_active Expired - Lifetime
- 1981-02-20 FR FR8103357A patent/FR2476323B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1175919A (fr) | 1984-10-09 |
US4363977A (en) | 1982-12-14 |
FR2476323A1 (fr) | 1981-08-21 |
GB2070375A (en) | 1981-09-03 |
GB2070375B (en) | 1983-10-05 |
DE3105758C2 (de) | 1983-11-24 |
DE3105758A1 (de) | 1982-01-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |