FR853247A - Perfectionnements aux amplificateurs d'audio-fréquence - Google Patents

Perfectionnements aux amplificateurs d'audio-fréquence

Info

Publication number
FR853247A
FR853247A FR853247DA FR853247A FR 853247 A FR853247 A FR 853247A FR 853247D A FR853247D A FR 853247DA FR 853247 A FR853247 A FR 853247A
Authority
FR
France
Prior art keywords
audio
frequency amplifiers
amplifiers
frequency
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
Other languages
English (en)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR853247A publication Critical patent/FR853247A/fr
Expired legal-status Critical Current

Links

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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/04—Manually-operated control in untuned amplifiers
    • H03G5/06—Manually-operated control in untuned amplifiers having discharge tubes
    • H03G5/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1607—Supply circuits
    • H04B1/1623—Supply circuits using tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
FR853247D 1938-04-30 1939-04-20 Perfectionnements aux amplificateurs d'audio-fréquence Expired FR853247A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US205231A US2179260A (en) 1938-04-30 1938-04-30 Audio frequency amplifier

Publications (1)

Publication Number Publication Date
FR853247A true FR853247A (fr) 1940-03-13

Family

ID=22761365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR853247D Expired FR853247A (fr) 1938-04-30 1939-04-20 Perfectionnements aux amplificateurs d'audio-fréquence

Country Status (3)

Country Link
US (1) US2179260A (fr)
FR (1) FR853247A (fr)
GB (1) GB528632A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886760A (en) * 1953-07-27 1959-05-12 Bendix Aviat Corp Automatic landing approach servomotor control system
DE3009652C2 (de) * 1980-03-13 1982-12-16 Standard Elektrik Lorenz Ag, 7000 Stuttgart Abstimmbares Empfangsgerät der Unterhaltungselektronik

Also Published As

Publication number Publication date
GB528632A (en) 1940-11-04
US2179260A (en) 1939-11-07

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