GB855745A - Improvements in or relating to transistor amplifier circuits - Google Patents

Improvements in or relating to transistor amplifier circuits

Info

Publication number
GB855745A
GB855745A GB3119058A GB3119058A GB855745A GB 855745 A GB855745 A GB 855745A GB 3119058 A GB3119058 A GB 3119058A GB 3119058 A GB3119058 A GB 3119058A GB 855745 A GB855745 A GB 855745A
Authority
GB
United Kingdom
Prior art keywords
resistor
rectifier
sept
class
network
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
GB3119058A
Inventor
George William Secker
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB3119058A priority Critical patent/GB855745A/en
Publication of GB855745A publication Critical patent/GB855745A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26Push-pull amplifiers; Phase-splitters therefor
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/307Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in push-pull amplifiers

Landscapes

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

Abstract

855,745. Transistor amplifying circuits. GENERAL ELECTRIC CO. Ltd. Sept. 16, 1959 [Sept. 30, 1958], No. 31190/58. Class 40(6). A bias stabilizing circuit for a class B push-pull transistor amplifier comprises a resistor 10 connected in series with network 11 - 14 across the power supply. Network 11 - 14 comprises a solid state rectifier 11 in series with a resistor 12, the pair being shunted by a resistive potentiometer 13, 14 of relatively high value. The rectifier 11 is poled so as to present a low resistance to the flow of current from the supply and the resistor 12, which is of relatively low value, is connected between the emitters of the transistors and earth. The centre tap of the input transformer secondary is returned to the tap on potentiometer 13, 14. The arrangement is such that when the supply voltage falls, the drop in base potential is compensated by a corresponding drop in emitter potential due to the non-linear resistance characteristics of the rectifier 11.
GB3119058A 1958-09-30 1958-09-30 Improvements in or relating to transistor amplifier circuits Expired GB855745A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3119058A GB855745A (en) 1958-09-30 1958-09-30 Improvements in or relating to transistor amplifier circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3119058A GB855745A (en) 1958-09-30 1958-09-30 Improvements in or relating to transistor amplifier circuits

Publications (1)

Publication Number Publication Date
GB855745A true GB855745A (en) 1960-12-07

Family

ID=10319347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3119058A Expired GB855745A (en) 1958-09-30 1958-09-30 Improvements in or relating to transistor amplifier circuits

Country Status (1)

Country Link
GB (1) GB855745A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355672A (en) * 1965-02-15 1967-11-28 Gen Electric Voltage regulator circuit for extending battery life in radios and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355672A (en) * 1965-02-15 1967-11-28 Gen Electric Voltage regulator circuit for extending battery life in radios and the like

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