NL79855C - - Google Patents

Info

Publication number: NL79855C
Authority: NL; Netherlands

Application number

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.)

1949-11-02

Publication of NL79855C publication Critical patent/NL79855C/xx

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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
- H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
- H03F1/07—Doherty-type amplifiers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/50—Amplitude modulation by converting angle modulation to amplitude modulation
- 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
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
- H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators

Landscapes

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

NL79855D 1949-11-02 NL79855C (cs)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US125025A US2658959A (en)	1949-11-02	1949-11-02	High efficiency radio-frequency power amplifier

Publications (1)

Publication Number	Publication Date
NL79855C true NL79855C (cs)

Family

ID=22417885

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL79855D NL79855C (cs)	1949-11-02
NL7115092.A NL156682B (nl)	1949-11-02		Werkwijze voor de bereiding van geneeskrachtige dibenzocycloalkylderivaten, werkwijze voor de bereiding van een geneesmiddel hieruit en gevormd geneesmiddel.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL7115092.A NL156682B (nl)	1949-11-02		Werkwijze voor de bereiding van geneeskrachtige dibenzocycloalkylderivaten, werkwijze voor de bereiding van een geneesmiddel hieruit en gevormd geneesmiddel.

Country Status (5)

Country	Link
US (1)	US2658959A (cs)
DE (1)	DE836509C (cs)
FR (1)	FR1027429A (cs)
GB (1)	GB678777A (cs)
NL (2)	NL156682B (cs)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2836665A (en) *	1957-08-29	1958-05-27	James O Weldon	Amplifiers
DE1283306B (de) *	1962-03-05	1968-11-21	Standard Elektrik Lorenz Ag	Schaltungsanordnung fuer Hochfrequenz-Resonanzverstaerker
JPH05333082A (ja) *	1992-05-30	1993-12-17	Yokogawa Hewlett Packard Ltd	平衡信号供給回路
US5416451A (en) *	1993-09-22	1995-05-16	Motorola, Inc.	Circuit and method for balun compensation
EP2323253A1 (en) *	2009-10-26	2011-05-18	Alcatel Lucent	Doherty power amplifiers
US8912846B2 (en)	2011-07-25	2014-12-16	Kathrein-Werke Kg	Doherty amplifier arrangement
US20130127542A1 (en)	2011-11-17	2013-05-23	Lothar Schmidt	Active antenna arrangement with doherty amplifier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR845728A (fr) *	1938-04-30	1939-08-31	Le Transformateur	Dispositif pour la modulation d'une oscillation de haute fréquence ou pour l'amplification d'une oscillation de haute fréquence modulée
NL57174C (cs) *	1938-12-02
US2282706A (en) *	1938-12-29	1942-05-12	Csf	Modulated wave amplifier
BE468893A (cs) *	1939-06-10
US2248132A (en) *	1940-01-27	1941-07-08	Rca Corp	Frequency modulation

0
- NL NL79855D patent/NL79855C/xx active
- NL NL7115092.A patent/NL156682B/xx unknown
1949
- 1949-11-02 US US125025A patent/US2658959A/en not_active Expired - Lifetime
1950
- 1950-10-20 FR FR1027429D patent/FR1027429A/fr not_active Expired
- 1950-11-02 GB GB26727/50A patent/GB678777A/en not_active Expired
- 1950-11-03 DE DEW4424A patent/DE836509C/de not_active Expired

Also Published As

Publication number	Publication date
US2658959A (en)	1953-11-10
GB678777A (en)	1952-09-10
NL156682B (nl)
DE836509C (de)	1952-04-15
FR1027429A (fr)	1953-05-12

Publication	Publication Date	Title
AT193848B (cs)	1957-12-10
BE155588A (cs)
BE437616A (cs)
BE449134A (cs)
BE457200A (cs)
BE476015A (cs)
BE476643A (cs)
BE476829A (cs)
BE479156A (cs)
BE480597A (cs)
BE480618A (cs)
BE482756A (cs)
BE483443A (cs)
BE483689A (cs)
BE485768A (cs)
BE485770A (cs)
BE486689A (cs)	1949-01-31
BE486819A (cs)
BE487077A (cs)	1949-02-15
BE487289A (cs)
BE487335A (cs)
BE487425A (cs)
BE487428A (cs)
BE487564A (cs)
BE487648A (cs)