FR2353995A1 - Discriminateur de frequence a reponse logique et appareils utilisant un tel discriminateur - Google Patents

Discriminateur de frequence a reponse logique et appareils utilisant un tel discriminateur

Info

Publication number
FR2353995A1
FR2353995A1 FR7617075A FR7617075A FR2353995A1 FR 2353995 A1 FR2353995 A1 FR 2353995A1 FR 7617075 A FR7617075 A FR 7617075A FR 7617075 A FR7617075 A FR 7617075A FR 2353995 A1 FR2353995 A1 FR 2353995A1
Authority
FR
France
Prior art keywords
frequencies
comparator
frequency discriminator
flip
flops
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.)
Granted
Application number
FR7617075A
Other languages
English (en)
French (fr)
Other versions
FR2353995B1 (enExample
Inventor
Claude Surjon
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7617075A priority Critical patent/FR2353995A1/fr
Publication of FR2353995A1 publication Critical patent/FR2353995A1/fr
Application granted granted Critical
Publication of FR2353995B1 publication Critical patent/FR2353995B1/fr
Granted 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
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Processing Of Color Television Signals (AREA)
FR7617075A 1976-06-04 1976-06-04 Discriminateur de frequence a reponse logique et appareils utilisant un tel discriminateur Granted FR2353995A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7617075A FR2353995A1 (fr) 1976-06-04 1976-06-04 Discriminateur de frequence a reponse logique et appareils utilisant un tel discriminateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7617075A FR2353995A1 (fr) 1976-06-04 1976-06-04 Discriminateur de frequence a reponse logique et appareils utilisant un tel discriminateur

Publications (2)

Publication Number Publication Date
FR2353995A1 true FR2353995A1 (fr) 1977-12-30
FR2353995B1 FR2353995B1 (enExample) 1978-10-13

Family

ID=9174043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7617075A Granted FR2353995A1 (fr) 1976-06-04 1976-06-04 Discriminateur de frequence a reponse logique et appareils utilisant un tel discriminateur

Country Status (1)

Country Link
FR (1) FR2353995A1 (enExample)

Also Published As

Publication number Publication date
FR2353995B1 (enExample) 1978-10-13

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Legal Events

Date Code Title Description
ST Notification of lapse