ATE92227T1 - Verstaerkungsregelschaltung. - Google Patents

Verstaerkungsregelschaltung.

Info

Publication number
ATE92227T1
ATE92227T1 AT87202394T AT87202394T ATE92227T1 AT E92227 T1 ATE92227 T1 AT E92227T1 AT 87202394 T AT87202394 T AT 87202394T AT 87202394 T AT87202394 T AT 87202394T AT E92227 T1 ATE92227 T1 AT E92227T1
Authority
AT
Austria
Prior art keywords
control circuit
gain control
current
voltage divider
voltage
Prior art date
Application number
AT87202394T
Other languages
English (en)
Inventor
Elve Desiderius Jozef Moons
Original Assignee
Alcatel Nv
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
Priority claimed from BE2/61113A external-priority patent/BE905924R/nl
Application filed by Alcatel Nv filed Critical Alcatel Nv
Application granted granted Critical
Publication of ATE92227T1 publication Critical patent/ATE92227T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6025—Substation equipment, e.g. for use by subscribers including speech amplifiers implemented as integrated speech networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/76—Compensating for differences in line impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
  • Selective Calling Equipment (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Telephonic Communication Services (AREA)
AT87202394T 1986-12-16 1987-12-02 Verstaerkungsregelschaltung. ATE92227T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2/61113A BE905924R (nl) 1986-12-16 1986-12-16 Telecommunicatie-inrichting en daarin gebruikte ketens.
EP87202394A EP0271947B1 (de) 1986-12-16 1987-12-02 Verstärkungsregelschaltung

Publications (1)

Publication Number Publication Date
ATE92227T1 true ATE92227T1 (de) 1993-08-15

Family

ID=3865844

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87202394T ATE92227T1 (de) 1986-12-16 1987-12-02 Verstaerkungsregelschaltung.

Country Status (5)

Country Link
EP (1) EP0271947B1 (de)
AT (1) ATE92227T1 (de)
DE (1) DE3786764T2 (de)
DK (1) DK656887A (de)
ES (1) ES2048156T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4124585A1 (de) * 1991-07-24 1993-01-28 Siemens Ag Steuerbare schaltungsanordnung
US5995619A (en) * 1996-12-31 1999-11-30 U.S. Philips Corporation Telephony device with compensation for line losses

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7205691A (de) * 1972-04-27 1973-05-25
US4301445A (en) * 1979-12-10 1981-11-17 General Electric Company Communication system and method having wide dynamic range digital gain control
GB2126046A (en) * 1982-08-25 1984-03-14 Philips Electronic Associated Telephone circuit
NL8203979A (nl) * 1982-10-15 1984-05-01 Philips Nv Inrichting voor het verzwakken van een analoog signaal.
GB2160038A (en) * 1984-05-30 1985-12-11 Stc Plc Gain control in integrated circuits

Also Published As

Publication number Publication date
EP0271947B1 (de) 1993-07-28
EP0271947A2 (de) 1988-06-22
DK656887D0 (da) 1987-12-15
ES2048156T3 (es) 1994-03-16
DE3786764T2 (de) 1994-01-13
EP0271947A3 (en) 1989-08-30
DK656887A (da) 1988-06-17
DE3786764D1 (de) 1993-09-02

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee