GB581683A - Improvements in or relating to amplifiers of electromagnetic energy - Google Patents

Improvements in or relating to amplifiers of electromagnetic energy

Info

Publication number
GB581683A
GB581683A GB7176/41A GB717641A GB581683A GB 581683 A GB581683 A GB 581683A GB 7176/41 A GB7176/41 A GB 7176/41A GB 717641 A GB717641 A GB 717641A GB 581683 A GB581683 A GB 581683A
Authority
GB
United Kingdom
Prior art keywords
delay network
network
amplifier
feedback
energy
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
GB7176/41A
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 GB581683A publication Critical patent/GB581683A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals
    • G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period
    • G01S7/2922—Extracting wanted echo-signals based on data belonging to one radar period by using a controlled threshold
    • 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
    • H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
    • H03F1/28—Modifications of amplifiers to reduce influence of noise generated by amplifying elements 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
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/04—Shaping pulses by increasing duration; by decreasing duration
    • H03K5/06—Shaping pulses by increasing duration; by decreasing duration by the use of delay lines or other analogue delay elements
    • H03K5/065—Shaping pulses by increasing duration; by decreasing duration by the use of delay lines or other analogue delay elements using dispersive delay lines
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/10—Feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
GB7176/41A 1941-06-06 1941-06-06 Improvements in or relating to amplifiers of electromagnetic energy Expired GB581683A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB272951X 1941-06-06

Publications (1)

Publication Number Publication Date
GB581683A true GB581683A (en) 1946-10-22

Family

ID=10257249

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7176/41A Expired GB581683A (en) 1941-06-06 1941-06-06 Improvements in or relating to amplifiers of electromagnetic energy

Country Status (5)

Country Link
US (1) US2412995A (enrdf_load_stackoverflow)
BE (1) BE476621A (enrdf_load_stackoverflow)
CH (1) CH272951A (enrdf_load_stackoverflow)
FR (1) FR939357A (enrdf_load_stackoverflow)
GB (1) GB581683A (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502454A (en) * 1944-12-27 1950-04-04 Standard Telephones Cables Ltd Method and means for improving signal to noise ratio of selected pulse signals
CH258962A (fr) * 1945-04-30 1948-12-31 Standard Telephone & Radio Sa Dispositif de transmission d'ondes électriques.
BE479415A (enrdf_load_stackoverflow) * 1945-06-02
US2590405A (en) * 1946-08-13 1952-03-25 Rca Corp Signal to noise ratio of radar systems
US2668238A (en) * 1946-08-20 1954-02-02 Frederick W Frink Wide-band phase shifting means
NL80449C (enrdf_load_stackoverflow) * 1948-01-17
US2752433A (en) * 1948-06-30 1956-06-26 Emi Ltd Negative feedback amplifiers
US2629818A (en) * 1949-03-17 1953-02-24 Int Standard Electric Corp High selectivity receiver
US2627574A (en) * 1950-07-11 1953-02-03 Bell Telephone Labor Inc Radio repeater having a pulse regenerator
US2619543A (en) * 1950-07-11 1952-11-25 Bell Telephone Labor Inc Frequency changing pulse repeater employing phase modulation
US2617885A (en) * 1950-07-11 1952-11-11 Bell Telephone Labor Inc Frequency changing regenerative pulse repeater
US2632064A (en) * 1950-09-20 1953-03-17 Bendix Aviat Corp Pulse amplifier
FR1108134A (fr) * 1954-05-28 1956-01-09 Csf Procédé et dispositif destinés à améliorer la transmission de signaux radioélectriques en présence de bruit
US3031909A (en) * 1955-09-28 1962-05-01 White James Paul Apparatus for tone quality control

Also Published As

Publication number Publication date
CH272951A (fr) 1951-01-15
BE476621A (enrdf_load_stackoverflow)
FR939357A (fr) 1948-11-12
US2412995A (en) 1946-12-24

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