DK118348B - Kombineret lavfrekvenssignalforstærker og stabiliseret jævnspændingsfødekobling. - Google Patents

Kombineret lavfrekvenssignalforstærker og stabiliseret jævnspændingsfødekobling.

Info

Publication number
DK118348B
DK118348B DK129766AA DK129766A DK118348B DK 118348 B DK118348 B DK 118348B DK 129766A A DK129766A A DK 129766AA DK 129766 A DK129766 A DK 129766A DK 118348 B DK118348 B DK 118348B
Authority
DK
Denmark
Prior art keywords
stabilized
power supply
frequency signal
low frequency
signal amplifier
Prior art date
Application number
DK129766AA
Other languages
Danish (da)
English (en)
Inventor
B Attwood
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of DK118348B publication Critical patent/DK118348B/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • 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
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Dc-Dc Converters (AREA)
  • Details Of Television Scanning (AREA)
  • Amplifiers (AREA)
DK129766AA 1965-03-16 1966-03-12 Kombineret lavfrekvenssignalforstærker og stabiliseret jævnspændingsfødekobling. DK118348B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11192/65A GB1077362A (en) 1965-03-16 1965-03-16 Improvements in or relating to low frequency amplifier circuits

Publications (1)

Publication Number Publication Date
DK118348B true DK118348B (da) 1970-08-10

Family

ID=9981710

Family Applications (1)

Application Number Title Priority Date Filing Date
DK129766AA DK118348B (da) 1965-03-16 1966-03-12 Kombineret lavfrekvenssignalforstærker og stabiliseret jævnspændingsfødekobling.

Country Status (9)

Country Link
US (1) US3449679A (fr)
JP (1) JPS4530635B1 (fr)
AT (1) AT273303B (fr)
BE (1) BE677815A (fr)
DE (1) DE1291802B (fr)
DK (1) DK118348B (fr)
FR (1) FR1482063A (fr)
GB (1) GB1077362A (fr)
NL (1) NL6603321A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2452824A1 (fr) * 1979-03-26 1980-10-24 Kneider Francois Amplificateur a gain variable et dispositif d'animation d'enseigne lumineuse en comportant application
US4737735A (en) * 1986-07-25 1988-04-12 Kampes Donald P Phantom powered amplifier
CN101035750B (zh) * 2004-10-05 2010-06-16 住友化学株式会社 羟基化合物的制造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE945254C (de) * 1954-08-21 1956-07-05 Leitz Ernst Gmbh Schaltung mit Elektronenroehren als Wechselspannungsverstaerker und als Gleichspannungsstabilisator
DE1049962B (de) * 1956-10-31 1959-02-05 Siemens-Schuckertwerke Aktiengesellschaft, Berlin Und Erlangen Stromversorgungsanlage mit geregelter Speisung des Verbrauchers
US3305767A (en) * 1963-09-10 1967-02-21 North American Aviation Inc Voltage regulator
US3365672A (en) * 1964-09-22 1968-01-23 Westinghouse Electric Corp Common base power amplifier

Also Published As

Publication number Publication date
DE1291802B (de) 1969-04-03
US3449679A (en) 1969-06-10
NL6603321A (fr) 1966-09-19
BE677815A (fr) 1966-09-14
JPS4530635B1 (fr) 1970-10-03
FR1482063A (fr) 1967-05-26
GB1077362A (en) 1967-07-26
AT273303B (de) 1969-08-11

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