GB562392A - Improvements in or relating to negative feedback amplifiers - Google Patents

Improvements in or relating to negative feedback amplifiers

Info

Publication number
GB562392A
GB562392A GB18319/42A GB1831942A GB562392A GB 562392 A GB562392 A GB 562392A GB 18319/42 A GB18319/42 A GB 18319/42A GB 1831942 A GB1831942 A GB 1831942A GB 562392 A GB562392 A GB 562392A
Authority
GB
United Kingdom
Prior art keywords
amplifier
transformer
networks
inductance
coaxial cable
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
GB18319/42A
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 GB562392A publication Critical patent/GB562392A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/16—Monitoring arrangements
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • 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
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/542—Replacing by standby devices
    • 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
    • H04B1/74—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 increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB18319/42A 1942-12-24 1942-12-24 Improvements in or relating to negative feedback amplifiers Expired GB562392A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB268701X 1942-12-24

Publications (1)

Publication Number Publication Date
GB562392A true GB562392A (en) 1944-06-29

Family

ID=10250498

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18319/42A Expired GB562392A (en) 1942-12-24 1942-12-24 Improvements in or relating to negative feedback amplifiers

Country Status (6)

Country Link
US (1) US2364389A (pm)
BE (1) BE467630A (pm)
CH (1) CH268701A (pm)
FR (1) FR939157A (pm)
GB (1) GB562392A (pm)
NL (1) NL74579C (pm)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429613A (en) * 1943-10-19 1947-10-28 Standard Telephones Cables Ltd Pulse multiplex communication system
US2429775A (en) * 1944-06-22 1947-10-28 Rca Corp Amplifier system

Also Published As

Publication number Publication date
FR939157A (fr) 1948-11-05
CH268701A (fr) 1950-05-31
NL74579C (pm)
BE467630A (pm)
US2364389A (en) 1944-12-05

Similar Documents

Publication Publication Date Title
ES404359A1 (es) Un circuito amplificador para aumentar la amplitud de las senales transmitidas por una linea de transmision bidirec- cional de varios hilos.
GB581683A (en) Improvements in or relating to amplifiers of electromagnetic energy
GB568240A (en) Improvements in or relating to signal transmission systems
GB562392A (en) Improvements in or relating to negative feedback amplifiers
GB562396A (en) Improvements in and relating to electron discharge amplifiers
GB566844A (en) Distortion reduction on modulated amplifiers
GB727765A (en) Improvements in or relating to negative impedance devices
GB535834A (en) Improvements in or relating to wide frequency band amplifier systems
GB627410A (en) Hybrid transformer for very high frequencies
GB672373A (en) Improvements in or relating to thermionic valve circuit arrangements
GB554329A (en) Impedance hatching networks for use in electrical transmission systems
GB397551A (en) Improvements in electrical impedance networks and amplifiers
GB655927A (en) Improved telephone substation apparatus
GB513416A (en) Improvements in or relating to thermionic valve amplifying systems
GB679424A (en) Improvements in or relating to gain control networks for electric wave amplifiers
GB590203A (en) Improvements in or relating to electrical impedance-transforming networks
GB1236896A (en) Line amplifier for carrier transmission systems
GB506652A (en) Improvements in electron discharge tube amplifiers
GB592259A (en) Improvements in or relating to thermionic amplifiers and modulators
GB589845A (en) Improvements in and relating to push-pull thermionic valve amplifiers
GB573793A (en) Amplifying arrangement using saturable bore reactors
GB553290A (en) Multichannel signal transmission
GB635228A (en) Radio receiver tone control
GB1116354A (en) Improvements in or relating to impedance transforming networks
GB730558A (en) Improvements in or relating to output control circuits for electrical transmission networks