GB524224A - Improvements in signal transmission systems - Google Patents

Improvements in signal transmission systems

Info

Publication number
GB524224A
GB524224A GB247939A GB247939A GB524224A GB 524224 A GB524224 A GB 524224A GB 247939 A GB247939 A GB 247939A GB 247939 A GB247939 A GB 247939A GB 524224 A GB524224 A GB 524224A
Authority
GB
United Kingdom
Prior art keywords
intermodulation
interference
line
johnson noise
reduced
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
GB247939A
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
Priority to FR957764D priority Critical patent/FR957764A/fr
Priority to BE476853D priority patent/BE476853A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB247939A priority patent/GB524224A/en
Publication of GB524224A publication Critical patent/GB524224A/en
Priority to ES0176094A priority patent/ES176094A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/10—Intermediate station arrangements, e.g. for branching, for tapping-off

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB247939A 1939-01-24 1939-01-24 Improvements in signal transmission systems Expired GB524224A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR957764D FR957764A (forum.php) 1939-01-24
BE476853D BE476853A (forum.php) 1939-01-24
GB247939A GB524224A (en) 1939-01-24 1939-01-24 Improvements in signal transmission systems
ES0176094A ES176094A1 (es) 1939-01-24 1946-12-14 MEJORAS EN SISTEMAS MULTICANALES DE TRANSMISIoN DE SENALES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB247939A GB524224A (en) 1939-01-24 1939-01-24 Improvements in signal transmission systems

Publications (1)

Publication Number Publication Date
GB524224A true GB524224A (en) 1940-08-01

Family

ID=9740276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB247939A Expired GB524224A (en) 1939-01-24 1939-01-24 Improvements in signal transmission systems

Country Status (4)

Country Link
BE (1) BE476853A (forum.php)
ES (1) ES176094A1 (forum.php)
FR (1) FR957764A (forum.php)
GB (1) GB524224A (forum.php)

Also Published As

Publication number Publication date
BE476853A (forum.php)
FR957764A (forum.php) 1950-02-25
ES176094A1 (es) 1947-01-16

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