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JPS5591214A - Rise time control circuit for amplifier - Google Patents

Rise time control circuit for amplifier

Info

Publication number
JPS5591214A
JPS5591214A JP16198578A JP16198578A JPS5591214A JP S5591214 A JPS5591214 A JP S5591214A JP 16198578 A JP16198578 A JP 16198578A JP 16198578 A JP16198578 A JP 16198578A JP S5591214 A JPS5591214 A JP S5591214A
Authority
JP
Japan
Prior art keywords
amplifier
control circuit
voltage
time control
rise time
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
JP16198578A
Other languages
Japanese (ja)
Inventor
Isokazu Furukawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP16198578A priority Critical patent/JPS5591214A/en
Publication of JPS5591214A publication Critical patent/JPS5591214A/en
Pending 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply

Landscapes

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

Abstract

PURPOSE:To improve the rise by installing the circuit which charges the decoupling capacitor. CONSTITUTION:Potential E2 at middle point M between voltage division resistances 12 and 13 is set lower than steady active voltage EC of front-step amplifier 2 and higher than action start voltage E0 each. With the make of power switch 11, the charging is given to decoupling capacitor 7 from point M of the voltage division resistances and through diode 14. The circuit can secure the operating state quickly since the time constant is shorter than the charging given through decoupling resistance 8. At the same time, no reverse current flows at the normal state due to diode 14 thus to secure the steady state.
JP16198578A 1978-12-29 1978-12-29 Rise time control circuit for amplifier Pending JPS5591214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16198578A JPS5591214A (en) 1978-12-29 1978-12-29 Rise time control circuit for amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16198578A JPS5591214A (en) 1978-12-29 1978-12-29 Rise time control circuit for amplifier

Publications (1)

Publication Number Publication Date
JPS5591214A true JPS5591214A (en) 1980-07-10

Family

ID=15745833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16198578A Pending JPS5591214A (en) 1978-12-29 1978-12-29 Rise time control circuit for amplifier

Country Status (1)

Country Link
JP (1) JPS5591214A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62281605A (en) * 1986-05-30 1987-12-07 Toshiba Corp Voice output amplifier circuit
JPH0278307A (en) * 1988-06-27 1990-03-19 Matsushita Electric Works Ltd Circuit for bringing operating potential to steady-state

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50841B1 (en) * 1970-03-10 1975-01-13
JPS50103236A (en) * 1974-01-11 1975-08-15

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50841B1 (en) * 1970-03-10 1975-01-13
JPS50103236A (en) * 1974-01-11 1975-08-15

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62281605A (en) * 1986-05-30 1987-12-07 Toshiba Corp Voice output amplifier circuit
JPH0278307A (en) * 1988-06-27 1990-03-19 Matsushita Electric Works Ltd Circuit for bringing operating potential to steady-state

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