FR972679A - Système amplificateur à faible bruit pour ondes ultra courtes - Google Patents

Système amplificateur à faible bruit pour ondes ultra courtes

Info

Publication number
FR972679A
FR972679A FR972679DA FR972679A FR 972679 A FR972679 A FR 972679A FR 972679D A FR972679D A FR 972679DA FR 972679 A FR972679 A FR 972679A
Authority
FR
France
Prior art keywords
low noise
noise amplifier
amplifier system
ultra
ultra shortwave
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)
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR972679A publication Critical patent/FR972679A/fr
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
FR972679D 1948-09-01 1948-09-01 Système amplificateur à faible bruit pour ondes ultra courtes Expired FR972679A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR853014X 1948-09-01

Publications (1)

Publication Number Publication Date
FR972679A true FR972679A (fr) 1951-02-01

Family

ID=9326904

Family Applications (1)

Application Number Title Priority Date Filing Date
FR972679D Expired FR972679A (fr) 1948-09-01 1948-09-01 Système amplificateur à faible bruit pour ondes ultra courtes

Country Status (3)

Country Link
US (1) US2681951A (fr)
DE (1) DE853014C (fr)
FR (1) FR972679A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955975C (de) * 1953-01-28 1957-01-10 Siemens Ag Ankopplungsanordnung fuer eine Wanderfeldroehre
DE1095405B (de) * 1955-03-31 1960-12-22 Deutsche Bundespost Rauscharme Laufzeitroehre zur Verstaerkung schwacher Hochfrequenzsignale mit mindestens zwei in Elektronenstrahlrichtung aufeinanderfolgenden Hochfrequenzkreisen

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE511284A (fr) * 1951-05-11
NL198433A (fr) * 1954-11-29
US2860280A (en) * 1955-01-25 1958-11-11 Gen Electric Electric discharge device and methods
BE547879A (fr) * 1955-05-18
US2955226A (en) * 1955-06-13 1960-10-04 Univ California Backward-wave amplifier
NL228818A (fr) * 1957-06-20
US2952795A (en) * 1957-06-24 1960-09-13 Gen Electric Electron discharge device
BE570553A (fr) * 1957-08-22
US2972702A (en) * 1958-11-13 1961-02-21 Bell Telephone Labor Inc High frequency amplifier
US3213383A (en) * 1960-03-14 1965-10-19 Philips Corp Parametric amplifier with its own backward wave oscillator supplying pump frequency
US3178653A (en) * 1960-04-04 1965-04-13 Raytheon Co Cavity resonator with beamconcentric ring electrode
US3192430A (en) * 1960-04-29 1965-06-29 Varian Associates Microwave amplifier for electromagnetic wave energy incorporating a fast and slow wave traveling wave resonator
US3668544A (en) * 1970-09-03 1972-06-06 Varian Associates High efficiency traveling wave tube employing harmonic bunching

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL62806C (fr) * 1940-05-17
BE480140A (fr) * 1946-08-16
FR946147A (fr) * 1947-04-21 1949-05-24 Cherifienne D Outil Et De Mate Perfectionnement aux rouleaux de fours sécheurs
US2595698A (en) * 1949-05-10 1952-05-06 Rca Corp Electron discharge device and associated circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE955975C (de) * 1953-01-28 1957-01-10 Siemens Ag Ankopplungsanordnung fuer eine Wanderfeldroehre
DE1095405B (de) * 1955-03-31 1960-12-22 Deutsche Bundespost Rauscharme Laufzeitroehre zur Verstaerkung schwacher Hochfrequenzsignale mit mindestens zwei in Elektronenstrahlrichtung aufeinanderfolgenden Hochfrequenzkreisen

Also Published As

Publication number Publication date
DE853014C (de) 1952-10-20
US2681951A (en) 1954-06-22

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