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CH495091A - Line amplifier with means for eliminating the frequency-dependent attenuation of communication lines - Google Patents

Line amplifier with means for eliminating the frequency-dependent attenuation of communication lines

Info

Publication number
CH495091A
CH495091A CH1177069A CH1177069A CH495091A CH 495091 A CH495091 A CH 495091A CH 1177069 A CH1177069 A CH 1177069A CH 1177069 A CH1177069 A CH 1177069A CH 495091 A CH495091 A CH 495091A
Authority
CH
Switzerland
Prior art keywords
eliminating
frequency
communication lines
line amplifier
dependent attenuation
Prior art date
Application number
CH1177069A
Other languages
German (de)
Inventor
Wolfgang Dr Kretz
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH495091A publication Critical patent/CH495091A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/06—Control of transmission; Equalising by the transmitted signal
    • H04B3/08—Control of transmission; Equalising by the transmitted signal in negative-feedback path of line amplifier
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
    • H01C17/06533—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of oxides
    • H01C17/06546—Oxides of zinc or cadmium
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1204—Distributed RC filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters And Equalizers (AREA)
CH1177069A 1968-08-05 1969-08-04 Line amplifier with means for eliminating the frequency-dependent attenuation of communication lines CH495091A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681762692 DE1762692B2 (en) 1968-08-05 1968-08-05 LINE AMPLIFIER TO REMOVE FREQUENCY-DEPENDENT ATTENUATION OF MESSAGE TRANSMISSION LINES

Publications (1)

Publication Number Publication Date
CH495091A true CH495091A (en) 1970-08-15

Family

ID=5697148

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1177069A CH495091A (en) 1968-08-05 1969-08-04 Line amplifier with means for eliminating the frequency-dependent attenuation of communication lines

Country Status (6)

Country Link
JP (1) JPS4925784B1 (en)
CH (1) CH495091A (en)
DE (1) DE1762692B2 (en)
GB (1) GB1230028A (en)
NL (1) NL152142B (en)
SE (1) SE343183B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2713871C1 (en) * 2018-11-30 2020-02-07 Акционерное общество "Проектно-конструкторское бюро "РИО" Low-frequency amplifier

Also Published As

Publication number Publication date
NL6911318A (en) 1970-02-09
SE343183B (en) 1972-02-28
GB1230028A (en) 1971-04-28
DE1762692B2 (en) 1971-04-15
JPS4925784B1 (en) 1974-07-03
DE1762692A1 (en) 1970-07-02
NL152142B (en) 1977-01-17

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Legal Events

Date Code Title Description
PL Patent ceased