JPS566511A - Monolithic semiconductor integrated circuit - Google Patents

Monolithic semiconductor integrated circuit

Info

Publication number
JPS566511A
JPS566511A JP8138979A JP8138979A JPS566511A JP S566511 A JPS566511 A JP S566511A JP 8138979 A JP8138979 A JP 8138979A JP 8138979 A JP8138979 A JP 8138979A JP S566511 A JPS566511 A JP S566511A
Authority
JP
Japan
Prior art keywords
voltage
transistor
collector
base
constant current
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.)
Pending
Application number
JP8138979A
Other languages
Japanese (ja)
Inventor
Tetsuo Sato
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8138979A priority Critical patent/JPS566511A/en
Publication of JPS566511A publication Critical patent/JPS566511A/en
Pending 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
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3069—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output
    • H03F3/3071—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output with asymmetrical driving of the end stage
    • H03F3/3072—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output with asymmetrical driving of the end stage using Darlington transistors

Landscapes

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

Abstract

PURPOSE:To prevent the Early's effect by connecting the transistor with a certain amount of voltage applied to the base to the collector of the constant current source which shares the base of the driving step. CONSTITUTION:Diodes Q11 and Q12 plus resistances R1 and R2 form the constant voltage circuit, and a certain amount of voltage is applied to the base of transistor Q17. As a result, the collector voltage can be kept constant for constant current transistor Q16. For transistor Q16 functioning as the load of the large-amplitude amplifying circuit, the driving voltage of the said amplifying circuit is not applied directly to the collector. Thus constant current source Q15 of the preamplifying circuit can be prevented from varying by the Early's effect.
JP8138979A 1979-06-29 1979-06-29 Monolithic semiconductor integrated circuit Pending JPS566511A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8138979A JPS566511A (en) 1979-06-29 1979-06-29 Monolithic semiconductor integrated circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8138979A JPS566511A (en) 1979-06-29 1979-06-29 Monolithic semiconductor integrated circuit

Publications (1)

Publication Number Publication Date
JPS566511A true JPS566511A (en) 1981-01-23

Family

ID=13744939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8138979A Pending JPS566511A (en) 1979-06-29 1979-06-29 Monolithic semiconductor integrated circuit

Country Status (1)

Country Link
JP (1) JPS566511A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5970927A (en) * 1982-10-15 1984-04-21 Canon Inc Photometric circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5970927A (en) * 1982-10-15 1984-04-21 Canon Inc Photometric circuit

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