DK232482A - Kobling til hurtig erkendelse af fsk-signaler i en radiokanal - Google Patents

Kobling til hurtig erkendelse af fsk-signaler i en radiokanal Download PDF

Info

Publication number
DK232482A
DK232482A DK232482A DK232482A DK232482A DK 232482 A DK232482 A DK 232482A DK 232482 A DK232482 A DK 232482A DK 232482 A DK232482 A DK 232482A DK 232482 A DK232482 A DK 232482A
Authority
DK
Denmark
Prior art keywords
radio channel
clutch
emphasis
branch
locked loop
Prior art date
Application number
DK232482A
Other languages
English (en)
Inventor
H Hjoerring
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of DK232482A publication Critical patent/DK232482A/da

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
    • 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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Circuits Of Receivers In General (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
DK232482A 1981-05-25 1982-05-24 Kobling til hurtig erkendelse af fsk-signaler i en radiokanal DK232482A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3120761A DE3120761C2 (de) 1981-05-25 1981-05-25 Schaltung zum schnellen Erkennen von FSK-Signalen in einem Funkkanal

Publications (1)

Publication Number Publication Date
DK232482A true DK232482A (da) 1982-11-26

Family

ID=6133173

Family Applications (1)

Application Number Title Priority Date Filing Date
DK232482A DK232482A (da) 1981-05-25 1982-05-24 Kobling til hurtig erkendelse af fsk-signaler i en radiokanal

Country Status (8)

Country Link
US (1) US4447909A (da)
EP (1) EP0065763B1 (da)
JP (1) JPS57197947A (da)
AT (1) ATE22638T1 (da)
DE (1) DE3120761C2 (da)
DK (1) DK232482A (da)
FI (1) FI821846A7 (da)
NO (1) NO154980C (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8104441A (nl) * 1981-09-29 1983-04-18 Philips Nv Een ontvanger voor ffsk gemoduleerde datasignalen.
JPS60171475A (ja) * 1984-02-15 1985-09-04 アイデンティフィケ−ション・デバイセス・インコ−ポレ−テッド 識別システム
GB2172159A (en) * 1985-03-07 1986-09-10 Stc Plc A/d converters
DE19614979C2 (de) 1995-04-20 2001-05-17 Fujitsu Ltd Hochfrequenz-Sende-Empfangs-Vorrichtung zur Datenkommunikation
JP2002124890A (ja) * 2000-10-12 2002-04-26 Vertex Standard Co Ltd 無線送受信機における受信用帯域フィルタの構成方式
AU2003276579A1 (en) * 2002-12-16 2004-07-09 Koninklijke Philips Electronics N.V. Noise suppression in an fm receiver

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614627A (en) * 1968-10-15 1971-10-19 Data Control Systems Inc Universal demodulation system
US3909735A (en) * 1974-04-04 1975-09-30 Ncr Co Slow switch for bandwidth change in phase-locked loop
JPS5272209A (en) * 1975-12-12 1977-06-16 Matsushita Electric Ind Co Ltd Magnetic recording and playback apparatus
US4356567A (en) * 1977-06-28 1982-10-26 Pioneer Electronic Corporation Radio receiver with bandwidth switching
CA1097743A (en) * 1977-08-22 1981-03-17 Daniel Gelbart Modem for the high speed transmission of binary data over an fm communications system
US4254504A (en) * 1978-08-08 1981-03-03 International Telephone And Telegraph Corporation Control apparatus for a transceiver employing a programmable memory
US4352208A (en) * 1980-03-04 1982-09-28 Motorola, Inc. Automatic IF selectivity for radio receiver system

Also Published As

Publication number Publication date
NO154980B (no) 1986-10-13
EP0065763B1 (de) 1986-10-01
JPS57197947A (en) 1982-12-04
FI821846A7 (fi) 1982-11-26
NO154980C (no) 1987-01-21
ATE22638T1 (de) 1986-10-15
NO821341L (no) 1982-11-26
DE3120761A1 (de) 1982-12-16
DE3120761C2 (de) 1986-02-13
EP0065763A3 (en) 1983-12-14
US4447909A (en) 1984-05-08
EP0065763A2 (de) 1982-12-01
FI821846A0 (fi) 1982-05-24

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Legal Events

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ATS Application withdrawn