SE7509493L - Vexelstromsignalbehandlingskretsar for kompanderare - Google Patents

Vexelstromsignalbehandlingskretsar for kompanderare

Info

Publication number
SE7509493L
SE7509493L SE7509493A SE7509493A SE7509493L SE 7509493 L SE7509493 L SE 7509493L SE 7509493 A SE7509493 A SE 7509493A SE 7509493 A SE7509493 A SE 7509493A SE 7509493 L SE7509493 L SE 7509493L
Authority
SE
Sweden
Prior art keywords
circuit
control
diodes
pass filter
amplifiers
Prior art date
Application number
SE7509493A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Inventor
J D Winter
M A Elder
Original Assignee
Northern Electric Co
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 Northern Electric Co filed Critical Northern Electric Co
Publication of SE7509493L publication Critical patent/SE7509493L/

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Networks Using Active Elements (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
SE7509493A 1974-08-27 1975-08-26 Vexelstromsignalbehandlingskretsar for kompanderare SE7509493L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA207,850A CA998617A (en) 1974-08-27 1974-08-27 A-c signal processing circuits for compandors

Publications (1)

Publication Number Publication Date
SE7509493L true SE7509493L (sv) 1976-03-01

Family

ID=4100982

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7509493A SE7509493L (sv) 1974-08-27 1975-08-26 Vexelstromsignalbehandlingskretsar for kompanderare

Country Status (7)

Country Link
JP (1) JPS5147312A (xx)
CA (1) CA998617A (xx)
DE (1) DE2537998A1 (xx)
FR (1) FR2283586A1 (xx)
GB (1) GB1514242A (xx)
NL (1) NL7509585A (xx)
SE (1) SE7509493L (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485838B1 (fr) * 1980-06-30 1986-02-21 Dolby Ray Dispositif destine a modifier la plage dynamique de signaux d'entree
JPS58108857A (ja) * 1981-12-23 1983-06-29 Fujitsu Ltd 過電流保護回路
EP1837893A1 (de) 2006-03-25 2007-09-26 HÜTTINGER Elektronik GmbH + Co. KG Messeeinrichtung eines HF-Plasmasystems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1085919B (de) * 1959-04-23 1960-07-28 Philips Nv Wiedergabevorrichtung mit selbsttaetiger Verstaerkungsregelung
US3119077A (en) * 1960-12-09 1964-01-21 Bell Telephone Labor Inc Automatic gain control circuit using variable attenuators in the signal path
JPS5640403B1 (xx) * 1971-02-10 1981-09-21

Also Published As

Publication number Publication date
JPS5147312A (en) 1976-04-22
GB1514242A (en) 1978-06-14
FR2283586A1 (fr) 1976-03-26
CA998617A (en) 1976-10-19
DE2537998A1 (de) 1976-03-11
NL7509585A (nl) 1976-03-02

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