FR839582A - Systèmes amplificateurs - Google Patents

Systèmes amplificateurs

Info

Publication number: FR839582A
Authority: FR; France
Prior art keywords: amplifier systems; amplifier; systems
Prior art date: 1937-06-22
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.)

Thales SA

Original Assignee

Le Materiel Telephonique Thomson CSF

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.)

1937-06-22

Filing date

1938-06-21

Publication date

1939-04-06

1938-06-21 Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF

1939-04-06 Application granted granted Critical

1939-04-06 Publication of FR839582A publication Critical patent/FR839582A/fr

Status Expired legal-status Critical Current

Classifications

- 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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers

Landscapes

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

FR839582D 1937-06-22 1938-06-21 Systèmes amplificateurs Expired FR839582A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US149565A US2123178A (en)	1937-06-22	1937-06-22	Amplifier

Publications (1)

Publication Number	Publication Date
FR839582A true FR839582A (fr)	1939-04-06

Family

ID=22530857

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR839582D Expired FR839582A (fr)	1937-06-22	1938-06-21	Systèmes amplificateurs

Country Status (4)

Country	Link
US (1)	US2123178A (fr)
DE (1)	DE897428C (fr)
FR (1)	FR839582A (fr)
GB (1)	GB514567A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE908983C (de) *	1940-10-29	1954-06-08	Western Electric Co	Anordnung zur Breitbanduebertragung
US2584386A (en) *	1944-05-11	1952-02-05	Donald G C Hare	Band-pass filter network
US2752433A (en) *	1948-06-30	1956-06-26	Emi Ltd	Negative feedback amplifiers
US2598259A (en) *	1948-09-04	1952-05-27	Ephraim W Hogue	Signal amplifying system
US2578341A (en) *	1949-01-26	1951-12-11	Bell Telephone Labor Inc	Stabilized feedback amplifier
DE1119339B (de) *	1952-08-04	1961-12-14	Telefunken Patent	Stabilisierter mehrstufiger Breitbandverstaerker fuer hoehere Frequenzen
FR1165549A (fr) *	1955-11-22	1958-10-27	Thomson Houston Comp Francaise	Dispositifs de neutralisation des effets de la rétroaction interne des transistrons
FR1399686A (fr) *	1964-04-08	1965-05-21		Filtres électriques actifs
US3502987A (en) *	1967-06-06	1970-03-24	Us Army	Analog feedback implementation of gaussian modulated signals
US3701034A (en) *	1971-03-23	1972-10-24	Collins Radio Co	Equalizer circuit for multistage feedback amplifier
US6760633B1 (en)	2000-06-30	2004-07-06	Chris Morrow Young	Method and apparatus for predicting stability of a closed loop apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1724987A (en) *	1928-04-13	1929-08-20	American Telephone & Telegraph	Selective-constant-resistance network
US1994457A (en) *	1932-08-26	1935-03-19	Bell Telephone Labor Inc	Feedback amplifier

1937
- 1937-06-22 US US149565A patent/US2123178A/en not_active Expired - Lifetime
1938
- 1938-05-10 GB GB13946/38A patent/GB514567A/en not_active Expired
- 1938-06-21 FR FR839582D patent/FR839582A/fr not_active Expired
- 1938-06-22 DE DEW3457D patent/DE897428C/de not_active Expired

Also Published As

Publication number	Publication date
GB514567A (en)	1939-11-13
DE897428C (de)	1953-11-19
US2123178A (en)	1938-07-12

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