JPS57197947A - Fsk-signal high speed detecting circuit in radio channel - Google Patents

Fsk-signal high speed detecting circuit in radio channel

Info

Publication number
JPS57197947A
JPS57197947A JP57086691A JP8669182A JPS57197947A JP S57197947 A JPS57197947 A JP S57197947A JP 57086691 A JP57086691 A JP 57086691A JP 8669182 A JP8669182 A JP 8669182A JP S57197947 A JPS57197947 A JP S57197947A
Authority
JP
Japan
Prior art keywords
radio channel
fsk
high speed
detecting circuit
speed detecting
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.)
Pending
Application number
JP57086691A
Other languages
English (en)
Inventor
Hieeringu Hansu
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.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
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 Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Publication of JPS57197947A publication Critical patent/JPS57197947A/ja
Pending legal-status Critical Current

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)
  • Transmitters (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Circuits Of Receivers In General (AREA)
JP57086691A 1981-05-25 1982-05-24 Fsk-signal high speed detecting circuit in radio channel Pending JPS57197947A (en)

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
JPS57197947A true JPS57197947A (en) 1982-12-04

Family

ID=6133173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57086691A Pending JPS57197947A (en) 1981-05-25 1982-05-24 Fsk-signal high speed detecting circuit in radio channel

Country Status (8)

Country Link
US (1) US4447909A (ja)
EP (1) EP0065763B1 (ja)
JP (1) JPS57197947A (ja)
AT (1) ATE22638T1 (ja)
DE (1) DE3120761C2 (ja)
DK (1) DK232482A (ja)
FI (1) FI821846A0 (ja)
NO (1) NO154980C (ja)

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
EP1576737A1 (en) * 2002-12-16 2005-09-21 Koninklijke Philips Electronics N.V. Noise suppression in an fm receiver

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5272209A (en) * 1975-12-12 1977-06-16 Matsushita Electric Ind Co Ltd Magnetic recording and playback apparatus

Family Cites Families (6)

* 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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5272209A (en) * 1975-12-12 1977-06-16 Matsushita Electric Ind Co Ltd Magnetic recording and playback apparatus

Also Published As

Publication number Publication date
NO154980C (no) 1987-01-21
EP0065763B1 (de) 1986-10-01
DE3120761C2 (de) 1986-02-13
EP0065763A3 (en) 1983-12-14
US4447909A (en) 1984-05-08
ATE22638T1 (de) 1986-10-15
EP0065763A2 (de) 1982-12-01
DE3120761A1 (de) 1982-12-16
NO821341L (no) 1982-11-26
DK232482A (da) 1982-11-26
FI821846A0 (fi) 1982-05-24
NO154980B (no) 1986-10-13

Similar Documents

Publication Publication Date Title
JPS57197947A (en) Fsk-signal high speed detecting circuit in radio channel
DE3170930D1 (en) Method and circuit for demodulating frequency-modulated signals using sampled values
DE3266917D1 (en) Digital demodulation circuit for a frequency-modulated signal, application of this circuit to the realisation of a demodulator stage for the chrominance signal of a television receiver, and television receiver comprising such a stage
JPS54121613A (en) Demodulator for fm modulation secondary signal
JPS5511602A (en) Automatic amplitude phase equalization system for fm circuit
GB2001218A (en) Improvements in phase shift keyed systems
GB1521550A (en) Stereophonic demodulator apparatus
JPS5391625A (en) Tv receiver having demodulator for demodulating tv signal modulated from carrier
JPS553284A (en) Spectrum diffusion communication system
JPS5752251A (en) Demodulating equipment for unbalanced four-phase modulated wave
JPS5752207A (en) Frequency modulation demodulating circuit
SU1203714A2 (ru) Способ передачи и приема информации
FR2472878B1 (ja)
SU1145488A2 (ru) Демодул тор частотно-манипулированных сигналов
JPS5321513A (en) Digital circuit for vestigial side-band amplitude modulation and demodulation of facsimile signal
JPS56152349A (en) Demodulation system for frequency-converted multiple signal
JPS558168A (en) Signal identification circuit
JPS56129447A (en) Multiplex signal receiver
JPS579144A (en) Modulation and demodulation device
JPS5723345A (en) Am stereo demodulator
JPS5526761A (en) Television sound multiplex demodulator circuit
JPS5299058A (en) Fm signal demodulating circuit
JPS55117314A (en) Fm demodulator
JPS5632872A (en) Facsimile equipment
JPS57109430A (en) Fm demodulating circuit