JPS57154926A - Switched capacity filter and modem demodulator including like same filter - Google Patents

Switched capacity filter and modem demodulator including like same filter

Info

Publication number
JPS57154926A
JPS57154926A JP1951282A JP1951282A JPS57154926A JP S57154926 A JPS57154926 A JP S57154926A JP 1951282 A JP1951282 A JP 1951282A JP 1951282 A JP1951282 A JP 1951282A JP S57154926 A JPS57154926 A JP S57154926A
Authority
JP
Japan
Prior art keywords
filter
demodulator including
switched capacity
modem demodulator
same
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
JP1951282A
Other languages
English (en)
Japanese (ja)
Inventor
Edogaaru Pikandaaru Jiyan
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
Publication of JPS57154926A publication Critical patent/JPS57154926A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/10Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14Demodulator circuits; Receiver circuits
    • H04L27/144Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/148Demodulator 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00Networks using time-varying elements, e.g. N-path filters

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP1951282A 1981-02-10 1982-02-09 Switched capacity filter and modem demodulator including like same filter Pending JPS57154926A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8102596A FR2499787A1 (fr) 1981-02-10 1981-02-10 Filtre a capacites commutees et modem comportant de tels filtres

Publications (1)

Publication Number Publication Date
JPS57154926A true JPS57154926A (en) 1982-09-24

Family

ID=9255035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1951282A Pending JPS57154926A (en) 1981-02-10 1982-02-09 Switched capacity filter and modem demodulator including like same filter

Country Status (4)

Country Link
EP (1) EP0058113B1 (enExample)
JP (1) JPS57154926A (enExample)
DE (1) DE3264349D1 (enExample)
FR (1) FR2499787A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0775302B2 (ja) * 1985-04-08 1995-08-09 ソニー株式会社 n次フイルタの構成方法

Also Published As

Publication number Publication date
DE3264349D1 (en) 1985-08-01
EP0058113A2 (fr) 1982-08-18
EP0058113B1 (fr) 1985-06-26
FR2499787B1 (enExample) 1983-03-11
FR2499787A1 (fr) 1982-08-13
EP0058113A3 (en) 1982-08-25

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