ATE47263T1 - Traegererfassungsschaltung. - Google Patents

Traegererfassungsschaltung.

Info

Publication number
ATE47263T1
ATE47263T1 AT84201817T AT84201817T ATE47263T1 AT E47263 T1 ATE47263 T1 AT E47263T1 AT 84201817 T AT84201817 T AT 84201817T AT 84201817 T AT84201817 T AT 84201817T AT E47263 T1 ATE47263 T1 AT E47263T1
Authority
AT
Austria
Prior art keywords
detection circuit
carrier
carrier detection
comparator
digital counter
Prior art date
Application number
AT84201817T
Other languages
English (en)
Inventor
Yusuf A Haque
Original Assignee
American Micro Syst
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 American Micro Syst filed Critical American Micro Syst
Application granted granted Critical
Publication of ATE47263T1 publication Critical patent/ATE47263T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Analogue/Digital Conversion (AREA)
  • Burglar Alarm Systems (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Dc Digital Transmission (AREA)
  • Circuits Of Receivers In General (AREA)
AT84201817T 1983-12-07 1984-12-06 Traegererfassungsschaltung. ATE47263T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/559,157 US4554508A (en) 1983-12-07 1983-12-07 Carrier detection circuit
EP84201817A EP0145101B1 (de) 1983-12-07 1984-12-06 Trägererfassungsschaltung

Publications (1)

Publication Number Publication Date
ATE47263T1 true ATE47263T1 (de) 1989-10-15

Family

ID=24232488

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84201817T ATE47263T1 (de) 1983-12-07 1984-12-06 Traegererfassungsschaltung.

Country Status (6)

Country Link
US (1) US4554508A (de)
EP (1) EP0145101B1 (de)
JP (1) JPS60139030A (de)
AT (1) ATE47263T1 (de)
CA (1) CA1218425A (de)
DE (1) DE3480153D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4724425A (en) * 1985-07-18 1988-02-09 Gerhart Roland T Security and alarm system
US5638375A (en) * 1988-11-30 1997-06-10 Motorola, Inc. AGC isolation of information in TDMA systems
US4945229A (en) * 1988-12-29 1990-07-31 Thomas & Betts Corporation Fiber optic receiver and transceiver
US5012492A (en) * 1989-09-29 1991-04-30 Ge Fanuc Automation North America, Inc. Apparatus and method for detecting a carrier signal
US5634202A (en) * 1993-11-09 1997-05-27 Motorola, Inc. Method and apparatus for integrating a plurality of analog input signals prior to transmitting a communications signal
FR2724517B1 (fr) * 1994-09-14 1996-12-13 Sgs Thomson Microelectronics Detecteur de perte de porteuse dans un modem de telecopieur
JP2780696B2 (ja) * 1996-02-01 1998-07-30 日本電気株式会社 キャリア検出装置
FR2748878B1 (fr) * 1996-05-14 1998-06-26 Alcatel Telspace Systeme de detection de la presence d'une onde porteuse d'un signal numerique et recepteur comprenant un tel systeme
US6021162A (en) * 1997-10-01 2000-02-01 Rosemount Inc. Vortex serial communications
US6539524B1 (en) * 2000-05-10 2003-03-25 Agere Systems Inc. Method and apparatus for matching capacitance of filters having different circuit topologies
DE10025581A1 (de) * 2000-05-24 2001-12-13 Infineon Technologies Ag Vorrichtung und Verfahren zur Überprüfung, ob ein Signal mit einer vorbestimmten Frequenz empfangen wird
DE60008094T2 (de) * 2000-07-24 2004-07-01 Stmicroelectronics S.R.L., Agrate Brianza Integrator mit Gleichrichtungsfunktion und mit einem der Speisespannung entsprechenden Ausgangsspannungsbereich
KR100396010B1 (ko) * 2000-08-02 2003-08-27 샤프 가부시키가이샤 캐리어 검출 회로 및 적외선 리모콘 수신기
ATE316270T1 (de) * 2001-08-08 2006-02-15 Koninkl Philips Electronics Nv Datenträger mit einer aktiven signalverarbeitungsschaltung und einer passiven signalverarbeitungsschaltung
DE102005026086B3 (de) * 2005-06-07 2006-09-14 Atmel Germany Gmbh Verfahren und Vorrichtung zum Ermitteln der Belegung eines Übertragungskanals
US10200163B1 (en) * 2017-08-22 2019-02-05 Texas Instruments Incorporated Small and seamless carrier detector
WO2022169593A1 (en) * 2021-02-02 2022-08-11 Northeastern University Ultra low power wake up radio architecture

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1342383A (en) * 1970-08-03 1974-01-03 Marconi Co Ltd Signal compression and expansion systems
US3766479A (en) * 1971-10-04 1973-10-16 Ncr Carrier detection circuit
US3746993A (en) * 1971-12-27 1973-07-17 Ncr Carrier detection circuit
JPS5635342B2 (de) * 1973-11-07 1981-08-17
GB2059202B (en) * 1979-09-14 1983-11-02 Plessey Co Ltd Digitally controlled wide range automatic gain control
JPS5658306A (en) * 1979-10-18 1981-05-21 Nec Corp Automatic gain control circuit
FR2469837A1 (fr) * 1979-11-07 1981-05-22 Trt Telecom Radio Electr Dispositif de detection de porteuse dans un modem muni d'un annuleur d'echo
DE3121444A1 (de) * 1981-05-29 1982-12-16 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zum demodulieren von fsk-signalen
JPS5853259A (ja) * 1981-09-25 1983-03-29 Fujitsu Ltd 搬送波検出回路
JPS5856555A (ja) * 1981-09-29 1983-04-04 Fujitsu Ltd 復調制御方式
US4441082A (en) * 1981-10-09 1984-04-03 American Microsystems, Inc. Switched capacitor automatic gain control loop
US4423519A (en) * 1982-01-20 1983-12-27 Sperry Corporation Apparatus and method for detecting the onset of a frequency shift keyed signal
JPS58172052A (ja) * 1982-04-02 1983-10-08 Nec Corp 信号検出器

Also Published As

Publication number Publication date
EP0145101A2 (de) 1985-06-19
CA1218425A (en) 1987-02-24
EP0145101B1 (de) 1989-10-11
EP0145101A3 (en) 1986-08-20
US4554508A (en) 1985-11-19
DE3480153D1 (en) 1989-11-16
JPS60139030A (ja) 1985-07-23

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties