FR942845A - Circuit amplificateur à lampe thermionique - Google Patents

Circuit amplificateur à lampe thermionique

Info

Publication number: FR942845A
Authority: FR; France
Prior art keywords: thermionic; amplifier circuit; lamp amplifier; lamp; circuit
Prior art date: 1940-09-07
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

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.)

EMI Ltd

Electrical and Musical Industries Ltd

Original Assignee

EMI Ltd

Electrical and Musical Industries Ltd

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.)

1940-09-07

Filing date

1946-08-13

Publication date

1949-02-18

1940-09-07 Priority claimed from GB1397240A external-priority patent/GB564250A/en

1946-08-13 Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd

1949-02-18 Application granted granted Critical

1949-02-18 Publication of FR942845A publication Critical patent/FR942845A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/42—Amplifiers with two or more amplifying elements having their DC paths in series with the load, the control electrode of each element being excited by at least part of the input signal, e.g. so-called totem-pole amplifiers
- H03F3/44—Amplifiers with two or more amplifying elements having their DC paths in series with the load, the control electrode of each element being excited by at least part of the input signal, e.g. so-called totem-pole amplifiers with tubes only

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Fuel Cell (AREA)
Amplifiers (AREA)

FR942845D 1940-09-07 1946-08-13 Circuit amplificateur à lampe thermionique Expired FR942845A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB1397240A GB564250A (en)	1940-09-07	1940-09-07	Improvements in or relating to thermionic valve amplifier circuit arrangements
GB644343A GB565870A (en)	1940-09-07	1943-04-21	Improvements in or relating to thermionic valve amplifier circuit arrangements

Publications (1)

Publication Number	Publication Date
FR942845A true FR942845A (fr)	1949-02-18

Family

ID=32178838

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR942845D Expired FR942845A (fr)	1940-09-07	1946-08-13	Circuit amplificateur à lampe thermionique

Country Status (2)

Country	Link
US (2)	US2358428A (fr)
FR (1)	FR942845A (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3124758A (en) *		1964-03-10		Transistor switching circuit responsive in push-pull
US2638401A (en) *		1953-05-12		Lukacs
US2358428A (en) *	1940-09-07	1944-09-19	Emi Ltd	Thermionic valve amplifier circuit arrangement
US2423362A (en) *	1943-04-24	1947-07-01	Du Mont Allen B Lab Inc	Feed-back circuits
US2488567A (en) *	1945-06-16	1949-11-22	Edwin K Stodola	Electron tube power output circuit for low impedance loads
US2525632A (en) *	1946-04-18	1950-10-10	Rca Corp	Low-frequency amplifier
US2446025A (en) *	1946-05-10	1948-07-27	Avco Mfg Corp	Modulation system
US2613286A (en) *	1947-06-20	1952-10-07	Deering Milliken Res Trust	Cathode follower amplifier
US2589617A (en) *	1947-07-07	1952-03-18	Alfred C Kowalski	Pulse amplitude modulation communication system
US2543819A (en) *	1948-05-14	1951-03-06	John E Williams	Push-pull differential electronic amplifier
GB657312A (en) *	1948-05-20	1951-09-19	Marconi Wireless Telegraph Co	Improvements in or relating to thermionic valve amplifiers
NL77693C (fr) *	1948-05-21
US2700704A (en) *	1949-01-13	1955-01-25	Measurements Corp	Electron tube amplifier
US2631197A (en) *	1949-03-01	1953-03-10	Rca Corp	Multiple load amplification system
US2592193A (en) *	1949-03-03	1952-04-08	Us Sec War	Means for reducing amplitude distortion in cathode-follower amplifiers
USRE24204E (en) *	1949-03-21	1956-08-28		Amplifier circuit having series-
US2662938A (en) *	1949-03-29	1953-12-15	Rca Corp	Coupling circuit for use in cathode coupled circuits
US2561425A (en) *	1949-06-30	1951-07-24	Edward J Stachura	Balanced push-pull amplifier
US2761019A (en) *	1950-10-18	1956-08-28	Cecil T Hall	Direct coupled power amplifiers
US2590104A (en) *	1950-11-03	1952-03-25	Us Interior	Direct-coupled amplifier
US2802907A (en) *	1951-01-22	1957-08-13	Gen Radio Co	Distortionless audio amplifier
US2743323A (en) *	1951-05-26	1956-04-24	Rca Corp	Wide-band high frequency pre-amplifier circuits
US2796518A (en) *	1951-10-16	1957-06-18	Motorola Inc	Detector
US2679029A (en) *	1952-05-15	1954-05-18	Rca Corp	Modulator circuit
US2728028A (en) *	1952-08-23	1955-12-20	Rca Corp	Electron beam deflection apparatus
US2987677A (en) *	1952-11-28	1961-06-06	Bell Telephone Labor Inc	Cathode follower tube circuit
US2778888A (en) *	1952-12-30	1957-01-22	Melpar Inc	Distributed amplifiers
US2773136A (en) *	1953-07-30	1956-12-04	Futterman Julius	Amplifier
GB767997A (en) *	1953-08-24	1957-02-13	Philips Electrical Ind Ltd	Improvements in or relating to differential electronic amplifiers
US2895018A (en) *	1954-01-06	1959-07-14	Arthur L Tirico	High fidelity push-pull amplifiers
US2764643A (en) *	1954-03-23	1956-09-25	Frank H Mcintosh	Oscillators
US3054067A (en) *	1954-09-10	1962-09-11	Rca Corp	Transistor signal amplifier circuit
US2795694A (en) *	1954-09-27	1957-06-11	Standard Coil Prod Co Inc	Cascode amplifier with signal and a. g. c. voltages applied to different stages
US2845574A (en) *	1954-12-31	1958-07-29	Rca Corp	Adjustable linear amplifier
US2802070A (en) *	1955-01-24	1957-08-06	Harold L Fishbine	Stabilized feedback amplifier
US2970278A (en) *	1955-05-09	1961-01-31	John H Reaves	Direct-coupled amplifier construction
US2835800A (en) *	1955-11-14	1958-05-20	James R Day	Diversity receiving system
US2942202A (en) *	1956-03-20	1960-06-21	Schramm Arnaldo Jorge Maria	Amplifier circuit for electrical signals
US2904643A (en) *	1956-04-12	1959-09-15	Bell Telephone Labor Inc	Broadband balanced amplifier
US3018445A (en) *	1959-10-12	1962-01-23	Franklin Inst Of The State Of	Transformerless transistorized power amplifier
DE1153079B (de) *	1959-10-22	1963-08-22	Egyesuelt Izzolampa	Transistorschaltung fuer Leistungsverstaerkung mit geringer Verzerrung
US3124757A (en) *	1961-02-10	1964-03-10		Source
JP2517472B2 (ja) *	1990-10-26	1996-07-24	菊水電子工業株式会社	Ｆｅｔ緩衝増幅器
NL1002892C2 (nl) *	1996-04-18	1997-10-21	Gerardus Petrus Johannes Oyen	Audio Eindversterker en Nevenproducten.
US8120424B2 (en)	2010-06-15	2012-02-21	Intersil Americas Inc.	Class AB output stages and amplifiers including class AB output stages

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2358428A (en) *	1940-09-07	1944-09-19	Emi Ltd	Thermionic valve amplifier circuit arrangement
US2310342A (en) *	1940-11-29	1943-02-09	Rca Corp	Balanced direct and alternating current amplifiers

1943
- 1943-05-15 US US487160A patent/US2358428A/en not_active Expired - Lifetime
1944
- 1944-04-21 US US532028A patent/US2428295A/en not_active Expired - Lifetime
1946
- 1946-08-13 FR FR942845D patent/FR942845A/fr not_active Expired

Also Published As

Publication number	Publication date
US2428295A (en)	1947-09-30
US2358428A (en)	1944-09-19

Publication	Publication Date	Title
FR942845A (fr)	1949-02-18	Circuit amplificateur à lampe thermionique
FR989230A (fr)	1951-09-06	Circuit-correcteur
FR938641A (fr)	1948-10-20	Tubes fluorescents
FR861330A (fr)	1941-02-06	Circuit de lampe à décharge
FR869421A (fr)	1942-02-02	Lampes thermioniques ou analogues
FR852819A (fr)	1940-03-04	Amplificateurs thermoioniques
FR871090A (fr)	1942-04-07	Amplificateurs thermioniques
FR847652A (fr)	1939-10-13	Circuits à lampes thermoioniques
FR54380E (fr)	1950-03-10	Circuit magnétique réglable
FR878759A (fr)	1943-01-29	Perfectionnements aux lampes à décharge
FR928543A (fr)	1947-12-01	Circuit pour lampe à décharge
FR871495A (fr)	1942-04-27	Lampe à éclat
FR887558A (fr)	1943-11-17	étage à lampe de réactance stabilisé
FR842629A (fr)	1939-06-15	Lampe thermionique
FR871400A (fr)	1942-04-22	Lampe compound
FR873065A (fr)	1942-06-29	Tube à décharges électriques
FR936721A (fr)	1948-07-28	Lampe manchon à alcool à brûler
FR869419A (fr)	1942-02-02	Circuits à lampes thermioniques
CH224803A (de)	1942-12-15	Gegentaktverstärkerschaltung.
CA392897A (fr)	1940-12-03	Circuit d'amplificateur thermionique
FR874892A (fr)	1942-08-28	Lampe amplificatrice à multiplication électronique
FR880035A (fr)	1943-03-11	Lampe à éclat
FR851499A (fr)	1940-01-09	Circuits à lampes thermoioniques
FR913491A (fr)	1946-09-11	Lampe à pied réglable
FR876330A (fr)	1942-11-03	Tube amplificateur