DE3264349D1 - Switched capacitor filter and modem using such a filter - Google Patents

Switched capacitor filter and modem using such a filter

Info

Publication number
DE3264349D1
DE3264349D1 DE8282400169T DE3264349T DE3264349D1 DE 3264349 D1 DE3264349 D1 DE 3264349D1 DE 8282400169 T DE8282400169 T DE 8282400169T DE 3264349 T DE3264349 T DE 3264349T DE 3264349 D1 DE3264349 D1 DE 3264349D1
Authority
DE
Germany
Prior art keywords
filter
modem
switched capacitor
capacitor filter
switched
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.)
Expired
Application number
DE8282400169T
Other languages
German (de)
English (en)
Inventor
Jean-Edgar Picquendar
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
Application granted granted Critical
Publication of DE3264349D1 publication Critical patent/DE3264349D1/de
Expired 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
    • H04L27/144—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks 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)
DE8282400169T 1981-02-10 1982-01-29 Switched capacitor filter and modem using such a filter Expired DE3264349D1 (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
DE3264349D1 true DE3264349D1 (en) 1985-08-01

Family

ID=9255035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282400169T Expired DE3264349D1 (en) 1981-02-10 1982-01-29 Switched capacitor filter and modem using such a 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
EP0058113A2 (fr) 1982-08-18
JPS57154926A (en) 1982-09-24
EP0058113B1 (fr) 1985-06-26
FR2499787B1 (enExample) 1983-03-11
FR2499787A1 (fr) 1982-08-13
EP0058113A3 (en) 1982-08-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee