GB1308877A - Electric circuit arrangements - Google Patents

Electric circuit arrangements

Info

Publication number
GB1308877A
GB1308877A GB4439271A GB1308877DA GB1308877A GB 1308877 A GB1308877 A GB 1308877A GB 4439271 A GB4439271 A GB 4439271A GB 1308877D A GB1308877D A GB 1308877DA GB 1308877 A GB1308877 A GB 1308877A
Authority
GB
United Kingdom
Prior art keywords
transistors
control
resistor
frequency dependent
capacitor
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
GB4439271A
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB1308877A publication Critical patent/GB1308877A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0264—Arrangements for coupling to transmission lines
    • H04L25/0278—Arrangements for impedance matching
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/141—Control of transmission; Equalising characterised by the equalising network used using multiequalisers, e.g. bump, cosine, Bode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03878—Line equalisers; line build-out devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/10—Compensating for variations in line balance

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
GB4439271A 1971-09-23 1971-09-23 Electric circuit arrangements Expired GB1308877A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4439271 1971-09-23

Publications (1)

Publication Number Publication Date
GB1308877A true GB1308877A (en) 1973-03-07

Family

ID=10433076

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4439271A Expired GB1308877A (en) 1971-09-23 1971-09-23 Electric circuit arrangements

Country Status (9)

Country Link
AU (1) AU464019B2 (enrdf_load_stackoverflow)
BE (1) BE789113A (enrdf_load_stackoverflow)
CH (1) CH551108A (enrdf_load_stackoverflow)
DE (1) DE2245676A1 (enrdf_load_stackoverflow)
ES (1) ES406937A1 (enrdf_load_stackoverflow)
FR (1) FR2154164A5 (enrdf_load_stackoverflow)
GB (1) GB1308877A (enrdf_load_stackoverflow)
IE (1) IE36569B1 (enrdf_load_stackoverflow)
ZA (1) ZA724857B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097824A (en) * 1976-03-01 1978-06-27 Hitachi, Ltd. Variable equalizer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2262089C3 (de) * 1972-12-19 1975-10-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur elektronischen Frequenzbeeinflussung, insbesondere elektronischer Klangeinsteller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097824A (en) * 1976-03-01 1978-06-27 Hitachi, Ltd. Variable equalizer

Also Published As

Publication number Publication date
AU464019B2 (en) 1975-08-14
IE36569B1 (en) 1976-12-08
ES406937A1 (es) 1975-09-01
IE36569L (en) 1973-03-23
FR2154164A5 (enrdf_load_stackoverflow) 1973-05-04
DE2245676A1 (de) 1973-03-29
AU4603972A (en) 1974-03-07
CH551108A (de) 1974-06-28
ZA724857B (en) 1973-04-25
BE789113A (fr) 1973-03-22

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees