JPS5211749A - Dc amplifier - Google Patents

Dc amplifier

Info

Publication number
JPS5211749A
JPS5211749A JP50087763A JP8776375A JPS5211749A JP S5211749 A JPS5211749 A JP S5211749A JP 50087763 A JP50087763 A JP 50087763A JP 8776375 A JP8776375 A JP 8776375A JP S5211749 A JPS5211749 A JP S5211749A
Authority
JP
Japan
Prior art keywords
amplifier
transistor
voltage
stage
emitter
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.)
Granted
Application number
JP50087763A
Other languages
Japanese (ja)
Other versions
JPS5823966B2 (en
Inventor
Kiyoshi Sawairi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50087763A priority Critical patent/JPS5823966B2/en
Publication of JPS5211749A publication Critical patent/JPS5211749A/en
Publication of JPS5823966B2 publication Critical patent/JPS5823966B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—DC amplifiers in which all stages are DC-coupled
    • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • H03F3/345—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with field-effect devices
    • H03F3/3455—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with field-effect devices with junction-FET's

Landscapes

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

Abstract

PURPOSE:To obtain a DC amplifier which has an excellent voltage reducing characteristic by using the field effect type transistor for the first stage amplifier element and by stabilizing the voltage between the base and emitter of the transistor of the last stage.
JP50087763A 1975-07-16 1975-07-16 Chiyokuryuzoufukuki Expired JPS5823966B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50087763A JPS5823966B2 (en) 1975-07-16 1975-07-16 Chiyokuryuzoufukuki

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50087763A JPS5823966B2 (en) 1975-07-16 1975-07-16 Chiyokuryuzoufukuki

Publications (2)

Publication Number Publication Date
JPS5211749A true JPS5211749A (en) 1977-01-28
JPS5823966B2 JPS5823966B2 (en) 1983-05-18

Family

ID=13923980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50087763A Expired JPS5823966B2 (en) 1975-07-16 1975-07-16 Chiyokuryuzoufukuki

Country Status (1)

Country Link
JP (1) JPS5823966B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5463277A (en) * 1977-09-06 1979-05-22 Mo Inzenerunoofuijichiesukii I Device of changing over electric circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02144227A (en) * 1988-11-26 1990-06-04 Nishikawa Rubber Co Ltd Sliding surface of sealing member and surface treating method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057560A (en) * 1973-09-20 1975-05-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057560A (en) * 1973-09-20 1975-05-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5463277A (en) * 1977-09-06 1979-05-22 Mo Inzenerunoofuijichiesukii I Device of changing over electric circuit

Also Published As

Publication number Publication date
JPS5823966B2 (en) 1983-05-18

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