BE774625A - Dispositif pour limiter la dynamique des signaux dans des systemes de telecommunications - Google Patents

Dispositif pour limiter la dynamique des signaux dans des systemes de telecommunications

Info

Publication number
BE774625A
BE774625A BE774625A BE774625A BE774625A BE 774625 A BE774625 A BE 774625A BE 774625 A BE774625 A BE 774625A BE 774625 A BE774625 A BE 774625A BE 774625 A BE774625 A BE 774625A
Authority
BE
Belgium
Prior art keywords
dynamics
signals
limiting
telecommunication systems
telecommunication
Prior art date
Application number
BE774625A
Other languages
English (en)
Inventor
A Lovadina
F Morelli
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of BE774625A publication Critical patent/BE774625A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
BE774625A 1971-05-12 1971-10-28 Dispositif pour limiter la dynamique des signaux dans des systemes de telecommunications BE774625A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2439271 1971-05-12

Publications (1)

Publication Number Publication Date
BE774625A true BE774625A (fr) 1972-02-14

Family

ID=11213359

Family Applications (1)

Application Number Title Priority Date Filing Date
BE774625A BE774625A (fr) 1971-05-12 1971-10-28 Dispositif pour limiter la dynamique des signaux dans des systemes de telecommunications

Country Status (6)

Country Link
US (1) US3836856A (fr)
AT (1) AT316654B (fr)
BE (1) BE774625A (fr)
DE (1) DE2223368A1 (fr)
GB (1) GB1308287A (fr)
NL (1) NL7206479A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334195A (en) * 1980-05-27 1982-06-08 Norlin Industries, Inc. Voltage controlled attenuator
US4516038A (en) * 1982-11-19 1985-05-07 Sundstrand Corporation Triangle wave generator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL267338A (fr) * 1961-07-20
US3106680A (en) * 1961-11-16 1963-10-08 Collins Radio Co Variable threshold high gain alc circuit
US3500441A (en) * 1967-10-12 1970-03-10 Bell Telephone Labor Inc Delta modulation with discrete companding
US3568062A (en) * 1968-04-29 1971-03-02 Bell Telephone Labor Inc Discrete compandor utilizing hysteresis
US3609551A (en) * 1968-06-28 1971-09-28 Bell Telephone Labor Inc Discrete-continuous companding for a digital transmission system
US3646442A (en) * 1970-04-30 1972-02-29 Bell Telephone Labor Inc Delta modulation system using variable weighted quanta to overcome slope limitations

Also Published As

Publication number Publication date
DE2223368A1 (de) 1972-12-28
NL7206479A (fr) 1972-11-14
US3836856A (en) 1974-09-17
AT316654B (de) 1974-07-25
GB1308287A (en) 1973-02-21

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