FR1213157A - Amplificateur à faible bruit - Google Patents

Amplificateur à faible bruit

Info

Publication number
FR1213157A
FR1213157A FR1213157DA FR1213157A FR 1213157 A FR1213157 A FR 1213157A FR 1213157D A FR1213157D A FR 1213157DA FR 1213157 A FR1213157 A FR 1213157A
Authority
FR
France
Prior art keywords
low noise
noise amplifier
amplifier
low
noise
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
English (en)
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 FR1213157A publication Critical patent/FR1213157A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H01J25/49—Tubes using the parametric principle, e.g. for parametric amplification
FR1213157D 1957-11-25 1958-11-04 Amplificateur à faible bruit Expired FR1213157A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US698854A US2974252A (en) 1957-11-25 1957-11-25 Low noise amplifier

Publications (1)

Publication Number Publication Date
FR1213157A true FR1213157A (fr) 1960-03-29

Family

ID=24806927

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1213157D Expired FR1213157A (fr) 1957-11-25 1958-11-04 Amplificateur à faible bruit

Country Status (5)

Country Link
US (1) US2974252A (US08088918-20120103-C00476.png)
BE (1) BE572781A (US08088918-20120103-C00476.png)
FR (1) FR1213157A (US08088918-20120103-C00476.png)
GB (1) GB832172A (US08088918-20120103-C00476.png)
NL (2) NL232220A (US08088918-20120103-C00476.png)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258706A (en) * 1966-06-28 Noise reduction in slow beam waves by parametric cooling
US3090925A (en) * 1958-09-17 1963-05-21 Zenith Radio Corp Parametric amplifier
US3087119A (en) * 1959-11-19 1963-04-23 Bell Telephone Labor Inc Noise reduction system for parametric amplifiers
US3096485A (en) * 1960-01-04 1963-07-02 Rca Corp Diode traveling wave parametric amplifier
US3138765A (en) * 1960-02-01 1964-06-23 Bell Telephone Labor Inc Triode parametric amplifier
US3213383A (en) * 1960-03-14 1965-10-19 Philips Corp Parametric amplifier with its own backward wave oscillator supplying pump frequency
US3060341A (en) * 1960-04-08 1962-10-23 Bell Telephone Labor Inc Traveling wave tube
NL265095A (US08088918-20120103-C00476.png) * 1960-07-04
NL281685A (US08088918-20120103-C00476.png) * 1961-08-02
GB9016017D0 (en) * 1990-07-20 1990-09-05 Eev Ltd Amplifying arrangements
US5162747A (en) * 1991-02-19 1992-11-10 Hughes Aircraft Company Velocity modulation microwave amplifier with multiple band interaction structures

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE437641A (US08088918-20120103-C00476.png) * 1937-07-14
US2272165A (en) * 1938-03-01 1942-02-03 Univ Leland Stanford Junior High frequency electrical apparatus
US2455269A (en) * 1942-11-17 1948-11-30 Bell Telephone Labor Inc Velocity variation apparatus
BE481272A (US08088918-20120103-C00476.png) * 1945-12-17
US2494721A (en) * 1947-06-18 1950-01-17 Bell Telephone Labor Inc Electron velocity variation device with noise reducing resonator
US2579480A (en) * 1947-08-26 1951-12-25 Sperry Corp Ultrahigh-frequency electron discharge apparatus
US2511120A (en) * 1948-06-12 1950-06-13 Bell Telephone Labor Inc Balanced electronic translating system
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
US2726291A (en) * 1953-12-07 1955-12-06 Bell Telephone Labor Inc Traveling wave tube
US2805333A (en) * 1955-07-26 1957-09-03 Sylvania Electric Prod Traveling wave tube mixer

Also Published As

Publication number Publication date
NL113950C (US08088918-20120103-C00476.png)
GB832172A (en) 1960-04-06
US2974252A (en) 1961-03-07
BE572781A (US08088918-20120103-C00476.png)
NL232220A (US08088918-20120103-C00476.png)

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