FR1048662A - Microwave Amplifiers Improvements - Google Patents

Microwave Amplifiers Improvements

Info

Publication number
FR1048662A
FR1048662A FR1048662DA FR1048662A FR 1048662 A FR1048662 A FR 1048662A FR 1048662D A FR1048662D A FR 1048662DA FR 1048662 A FR1048662 A FR 1048662A
Authority
FR
France
Prior art keywords
microwave amplifiers
amplifiers
microwave
amplifiers improvements
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
Other languages
French (fr)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1048662A publication Critical patent/FR1048662A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/11—Means for reducing noise
FR1048662D 1951-04-11 1951-10-24 Microwave Amplifiers Improvements Expired FR1048662A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US220416A US2908844A (en) 1951-04-11 1951-04-11 Low noise traveling wave tubes

Publications (1)

Publication Number Publication Date
FR1048662A true FR1048662A (en) 1953-12-23

Family

ID=22823456

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1048662D Expired FR1048662A (en) 1951-04-11 1951-10-24 Microwave Amplifiers Improvements

Country Status (7)

Country Link
US (1) US2908844A (en)
BE (1) BE510578A (en)
CH (1) CH301934A (en)
DE (1) DE966835C (en)
FR (1) FR1048662A (en)
GB (1) GB730773A (en)
NL (2) NL167562B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2195839A1 (en) * 1972-08-10 1974-03-08 Siemens Ag

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1041169B (en) * 1953-01-07 1958-10-16 Dr Rer Nat Dieter Weber Low-noise traveling wave tubes for amplifying weak high-frequency signals
BE556363A (en) * 1954-09-16
GB780811A (en) * 1954-11-18 1957-08-07 English Electric Valve Co Ltd Improvements in or relating to travelling wave tube arrangements
DE1131757B (en) * 1955-03-09 1962-06-20 Siemens Ag Lauffeldrohre like a back wave oscillator tube for generating electrical oscillations of very high frequency
DE1095405B (en) * 1955-03-31 1960-12-22 Deutsche Bundespost Low-noise transit time tubes for amplifying weak high-frequency signals with at least two high-frequency circuits following each other in the electron beam direction
US3092750A (en) * 1959-10-22 1963-06-04 Raytheon Co Traveling wave tube
US3087119A (en) * 1959-11-19 1963-04-23 Bell Telephone Labor Inc Noise reduction system for parametric amplifiers
US3222563A (en) * 1960-06-13 1965-12-07 High Voltage Engineering Corp Linear accelerator waveguide structures adapted to reduce the phenomenon of pulse shortening
FR1311310A (en) * 1961-10-24 1962-12-07 Csf Improvements to delay circuits for type m microwave tubes
GB1038845A (en) * 1964-07-30 1966-08-10 M O Valve Co Ltd Improvements in or relating to travelling wave tubes
US3330986A (en) * 1964-08-12 1967-07-11 Bell Telephone Labor Inc Method of constructing a slow-wave comb structure
US3614517A (en) * 1970-04-30 1971-10-19 Raytheon Co Traveling wave electron interaction device having efficiency enhancement means
US3761760A (en) * 1972-07-03 1973-09-25 Raytheon Co Circuit velocity step taper for suppression of backward wave oscillation in electron interaction devices
US3758811A (en) * 1972-08-02 1973-09-11 Raytheon Co Traveling wave tube linearity characteristics

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH233052A (en) * 1940-01-31 1944-06-30 Philips Nv Circuit with increased freedom from noise for the transmission of electrical ultra-high frequency oscillations.
NL187376B (en) * 1946-01-11 Northern Telecom Ltd TELEPHONE VOICE NETWORK.
FR954564A (en) * 1946-10-22 1950-01-03
FR959588A (en) * 1947-01-13 1950-03-31
US2611101A (en) * 1947-04-15 1952-09-16 Wallauschek Richard Traeling wave amplifier tube
US2494721A (en) * 1947-06-18 1950-01-17 Bell Telephone Labor Inc Electron velocity variation device with noise reducing resonator
US2578434A (en) * 1947-06-25 1951-12-11 Rca Corp High-frequency electron discharge device of the traveling wave type
US2541843A (en) * 1947-07-18 1951-02-13 Philco Corp Electronic tube of the traveling wave type
FR951204A (en) * 1947-08-01 1949-10-19 Materiel Telephonique Electron tubes for microwaves
US2516944A (en) * 1947-12-18 1950-08-01 Philco Corp Impedance-matching device
FR962369A (en) * 1948-02-10 1950-06-09
FR969886A (en) * 1948-07-23 1950-12-27 Csf Progressing wave tubes improvements
FR977237A (en) * 1948-11-02 1951-03-29 Csf Linear delay line with valves for wave propagation tubes
US2584597A (en) * 1949-01-26 1952-02-05 Sylvania Electric Prod Traveling wave tube
US2595698A (en) * 1949-05-10 1952-05-06 Rca Corp Electron discharge device and associated circuit
US2720610A (en) * 1950-07-27 1955-10-11 Kazan Benjamin Noise reducing travelling-wave tube
US2767259A (en) * 1952-10-01 1956-10-16 Rca Corp Noise compensation in electron beam devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2195839A1 (en) * 1972-08-10 1974-03-08 Siemens Ag

Also Published As

Publication number Publication date
NL91972C (en)
US2908844A (en) 1959-10-13
GB730773A (en) 1955-06-01
DE966835C (en) 1957-09-12
NL167562B (en)
CH301934A (en) 1954-09-30
BE510578A (en)

Similar Documents

Publication Publication Date Title
FR1048662A (en) Microwave Amplifiers Improvements
FR1032697A (en) Microwave Amplifiers Improvements
FR1049725A (en) Photo-prints material
FR1036452A (en) Crane
FR1205104A (en) Magnetron refinements
FR1047586A (en) Magnetron refinements
FR1059532A (en) Brake improvements
FR1061569A (en) Antenna improvements
FR61231E (en) Brake improvements
FR1042510A (en) Covers improvements
FR1044223A (en) Wheelbarrow improvements
FR1041547A (en) Loudspeaker enhancements
AT180999B (en) Microwave amplifiers
FR1049976A (en) Magnetron refinements
FR1044358A (en) Tie improvement
FR1045150A (en) Removable metal silo
FR1052336A (en) Coupling enhancements
DK82501C (en) Microwave amplifier.
FR1066692A (en) Evaporator improvements
FR1047258A (en) Crane
FR66630E (en) Wheelbarrow improvements
FR1038197A (en) Improvements in frequency variation devices for magnetron
FR1036077A (en) Packaging improvements
FR1049257A (en) Command enhancements
FR1041998A (en) Stool enhancements for cycles