DE3163837D1 - Apparatus for counteracting the cathode current increase occurring during warming-up in a travelling-wave tube in response to variation in the grid-cathode distance - Google Patents

Apparatus for counteracting the cathode current increase occurring during warming-up in a travelling-wave tube in response to variation in the grid-cathode distance

Info

Publication number
DE3163837D1
DE3163837D1 DE8181850055T DE3163837T DE3163837D1 DE 3163837 D1 DE3163837 D1 DE 3163837D1 DE 8181850055 T DE8181850055 T DE 8181850055T DE 3163837 T DE3163837 T DE 3163837T DE 3163837 D1 DE3163837 D1 DE 3163837D1
Authority
DE
Germany
Prior art keywords
cathode
counteracting
travelling
grid
variation
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
DE8181850055T
Other languages
English (en)
Inventor
Rolf Willy Rasmusson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 claimed from SE8002538A external-priority patent/SE420968B/sv
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE3163837D1 publication Critical patent/DE3163837D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/24—Testing of discharge tubes
    • G01R31/25—Testing of vacuum tubes
    • G01R31/255—Testing of transit-time tubes, e.g. klystrons, magnetrons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/20—Cathode-ray oscilloscopes
    • G01R13/22—Circuits therefor
    • G01R13/26—Circuits for controlling the intensity of the electron beam or the colour of the display
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/02—Arrangements in which the value to be measured is automatically compared with a reference value
    • G01R17/06—Automatic balancing 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
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/544—Protection of filaments

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microwave Tubes (AREA)
  • Commercial Cooking Devices (AREA)
DE8181850055T 1980-04-02 1981-03-25 Apparatus for counteracting the cathode current increase occurring during warming-up in a travelling-wave tube in response to variation in the grid-cathode distance Expired DE3163837D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8002538A SE420968B (sv) 1972-06-30 1980-04-02 Anordnig for att kompensera den skadliga okningen av katodstrommen under igangsettningsperioden av ett vandringsvagror

Publications (1)

Publication Number Publication Date
DE3163837D1 true DE3163837D1 (en) 1984-07-05

Family

ID=20340666

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181850055T Expired DE3163837D1 (en) 1980-04-02 1981-03-25 Apparatus for counteracting the cathode current increase occurring during warming-up in a travelling-wave tube in response to variation in the grid-cathode distance

Country Status (4)

Country Link
US (1) US4471265A (de)
EP (1) EP0037385B1 (de)
DE (1) DE3163837D1 (de)
NO (1) NO151990C (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311674A1 (de) * 1983-03-30 1984-10-04 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur temperaturabhaengigen kathodenstromnachfuehrung in wanderfeldroehren
US4687970A (en) * 1985-05-31 1987-08-18 Hughes Aircraft Company Digital cathode current control loop
US5012194A (en) * 1989-09-05 1991-04-30 Raytheon Company Method testing electron discharge tubes
SE502562C2 (sv) * 1994-03-03 1995-11-13 Ericsson Telefon Ab L M Förfarande och anordning för styrning av vandringsvågrör

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US26384A (en) * 1859-12-06 Washing-machine
BE620963A (de) * 1961-08-16
US3316485A (en) * 1962-10-08 1967-04-25 Varian Associates Beam current measurement by inductive techniques for high frequency electron discharge devices
US3794878A (en) * 1972-12-11 1974-02-26 Ford Motor Co Electron beam regulator
US3890545A (en) * 1974-04-12 1975-06-17 Us Navy Traveling-wave-tube protection circuit
US4000471A (en) * 1975-10-14 1976-12-28 The United States Of America As Represented By The Secretary Of The Navy TWT grid circuit utilizing feedback
US4321505A (en) * 1978-07-24 1982-03-23 Varian Associates, Inc. Zero-bias gridded gun

Also Published As

Publication number Publication date
NO151990B (no) 1985-04-01
EP0037385A2 (de) 1981-10-07
EP0037385A3 (en) 1981-11-25
EP0037385B1 (de) 1984-05-30
NO811097L (no) 1981-10-05
US4471265A (en) 1984-09-11
NO151990C (no) 1985-07-10

Similar Documents

Publication Publication Date Title
ZA791257B (en) Static-controlled direct current welding apparatus
ZA79311B (en) Tube forming method
EP0038952A3 (en) Energy support tube
DE3164702D1 (en) Current collector for resistive ribbon printers
JPS54136551A (en) Direct current welder
JPS57184831A (en) Generator for current
DE3277766D1 (en) An improved tubular tire for cycles
HK26983A (en) An attachment for electric torches
GB2031318B (en) Extruding thinwalled metallic tubes
JPS531441A (en) Power supply for travellinggwave tube
GB2026247B (en) Current limiting apparatus
DE3163837D1 (en) Apparatus for counteracting the cathode current increase occurring during warming-up in a travelling-wave tube in response to variation in the grid-cathode distance
ZA792469B (en) Apparatus for welding
GB2095007B (en) X-ray generator including an x-ray tube provided with an intermediate electrode
JPS553195A (en) Power supply device for triode xxray tube
JPS54147769A (en) Device for supporting cathode
PT69196A (en) Heating tube
JPS56128548A (en) Large power electron tube
GB2018504B (en) Directly heated cathode for electron tube
JPS5533394A (en) Drive circuit for cathode ray tube indicating circuit
PT69197A (en) Heating tube
JPS54135011A (en) Electric typewriter
JPS56160739A (en) Cathode for electronic tube
JPS5464192A (en) Printing method
JPS54143416A (en) Electric melting tank apparatus