FR93356E - Combination of a low frequency amplifier and a stabilized direct voltage supply circuit. - Google Patents

Combination of a low frequency amplifier and a stabilized direct voltage supply circuit.

Info

Publication number
FR93356E
FR93356E FR84000A FR84000A FR93356E FR 93356 E FR93356 E FR 93356E FR 84000 A FR84000 A FR 84000A FR 84000 A FR84000 A FR 84000A FR 93356 E FR93356 E FR 93356E
Authority
FR
France
Prior art keywords
combination
low frequency
supply circuit
voltage supply
direct voltage
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
FR84000A
Other languages
French (fr)
Inventor
B E Attwood
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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
Priority claimed from GB11192/65A external-priority patent/GB1077362A/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR93356E publication Critical patent/FR93356E/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

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)
  • Amplifiers (AREA)
FR84000A 1965-03-16 1966-11-17 Combination of a low frequency amplifier and a stabilized direct voltage supply circuit. Expired FR93356E (en)

Applications Claiming Priority (2)

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
GB4884565A GB1080118A (en) 1965-03-16 1965-11-17 Improvements in or relating to low-frequency amplifier circuits

Publications (1)

Publication Number Publication Date
FR93356E true FR93356E (en) 1969-03-21

Family

ID=26248125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR84000A Expired FR93356E (en) 1965-03-16 1966-11-17 Combination of a low frequency amplifier and a stabilized direct voltage supply circuit.

Country Status (5)

Country Link
BE (1) BE689858A (en)
DE (1) DE1541517A1 (en)
FR (1) FR93356E (en)
GB (1) GB1080118A (en)
NL (1) NL6616049A (en)

Also Published As

Publication number Publication date
GB1080118A (en) 1967-08-23
NL6616049A (en) 1967-05-18
DE1541517A1 (en) 1969-08-07
BE689858A (en) 1967-05-17

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