GB624010A - Improvements in radio-receivers with low-frequency negative feedback and amplification control - Google Patents

Improvements in radio-receivers with low-frequency negative feedback and amplification control

Info

Publication number
GB624010A
GB624010A GB26869/46A GB2686946A GB624010A GB 624010 A GB624010 A GB 624010A GB 26869/46 A GB26869/46 A GB 26869/46A GB 2686946 A GB2686946 A GB 2686946A GB 624010 A GB624010 A GB 624010A
Authority
GB
United Kingdom
Prior art keywords
frequency
low
feed
potentiometer
radio
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
GB26869/46A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
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
Application filed by Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB624010A publication Critical patent/GB624010A/en
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
    • H03F1/34—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
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/46—Reflex amplifiers
    • H03F3/48—Reflex amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/06—Manually-operated control in untuned amplifiers having discharge tubes
    • H03G3/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/04—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes
    • H03G9/06—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control
    • H03G9/08—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control incorporating negative feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
GB26869/46A 1943-03-05 1946-09-06 Improvements in radio-receivers with low-frequency negative feedback and amplification control Expired GB624010A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL624010X 1943-03-05

Publications (1)

Publication Number Publication Date
GB624010A true GB624010A (en) 1949-05-26

Family

ID=19788516

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26869/46A Expired GB624010A (en) 1943-03-05 1946-09-06 Improvements in radio-receivers with low-frequency negative feedback and amplification control

Country Status (4)

Country Link
US (1) US2503787A (fr)
BE (1) BE454669A (fr)
FR (1) FR902400A (fr)
GB (1) GB624010A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB682140A (en) * 1950-09-27 1952-11-05 Amalgamated Wireless Australas Improvements in volume control arrangements for radio receivers
US2848615A (en) * 1956-05-21 1958-08-19 Philco Corp Frequency control system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE362743A (fr) * 1928-09-19
US2159453A (en) * 1929-06-13 1939-05-23 King Mfg Corp Dual action volume control
US1988370A (en) * 1929-12-06 1935-01-15 Philadelphia Storage Battery Automatic volume control
GB396822A (en) * 1932-02-18 1933-08-17 Gen Electric Co Ltd Improvements in electric wave signalling apparatus
US2115842A (en) * 1933-04-18 1938-05-03 Emi Ltd Volume control arrangement
US2205243A (en) * 1938-12-15 1940-06-18 Gen Electric Amplifier

Also Published As

Publication number Publication date
US2503787A (en) 1950-04-11
FR902400A (fr) 1945-08-29
BE454669A (fr)

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