JPS57203310A - Rectifying time constant circuit - Google Patents

Rectifying time constant circuit

Info

Publication number
JPS57203310A
JPS57203310A JP8846181A JP8846181A JPS57203310A JP S57203310 A JPS57203310 A JP S57203310A JP 8846181 A JP8846181 A JP 8846181A JP 8846181 A JP8846181 A JP 8846181A JP S57203310 A JPS57203310 A JP S57203310A
Authority
JP
Japan
Prior art keywords
circuit
rectifying
wave
signal
silicon
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
JP8846181A
Other languages
Japanese (ja)
Other versions
JPS6317245B2 (en
Inventor
Yukinobu Ishigaki
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.)
Victor Company of Japan Ltd
Nippon Victor KK
Original Assignee
Victor Company of Japan Ltd
Nippon Victor KK
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 Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Priority to JP8846181A priority Critical patent/JPS57203310A/en
Priority to US06/386,157 priority patent/US4495428A/en
Publication of JPS57203310A publication Critical patent/JPS57203310A/en
Publication of JPS6317245B2 publication Critical patent/JPS6317245B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

PURPOSE:To obtain the characteristics equal to those obtained by using a germanium diode, by giving the full-wave rectification to an input through a linear wave detecting circuit and a rectifying circuit using a silicon diode respectively. CONSTITUTION:The input signal is supplied to a half-wave linear wave detecting circuit 2 using the silicon diodes D11 and D12. The half-wave linear wave detecting output of negative polarity which is delivered from the circuit 2 is supplied to a rectifying circuit 3 using the silicon diodes D13 and D14. The input signal is also applied to the circuit 3, and accordingly the rectifier 3 produces a signal corresponding to the absolute value of the input signal and rectifying the signal to deliver a full-wave rectifying signal. This output is integrated by a resistance 4 and a capacitor 5 to be turned into a control signal. In such constitution of a circuit, the excellent characteristics can be obtained by means of a silicon diode like the use of a germanium diode.
JP8846181A 1981-06-09 1981-06-09 Rectifying time constant circuit Granted JPS57203310A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP8846181A JPS57203310A (en) 1981-06-09 1981-06-09 Rectifying time constant circuit
US06/386,157 US4495428A (en) 1981-06-09 1982-06-07 Circuit arrangement for deriving a level control signal using silicon diodes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8846181A JPS57203310A (en) 1981-06-09 1981-06-09 Rectifying time constant circuit

Publications (2)

Publication Number Publication Date
JPS57203310A true JPS57203310A (en) 1982-12-13
JPS6317245B2 JPS6317245B2 (en) 1988-04-13

Family

ID=13943410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8846181A Granted JPS57203310A (en) 1981-06-09 1981-06-09 Rectifying time constant circuit

Country Status (1)

Country Link
JP (1) JPS57203310A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234761A1 (en) * 1986-02-03 1987-09-02 BRITISH TELECOMMUNICATIONS public limited company Detector-integrator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234761A1 (en) * 1986-02-03 1987-09-02 BRITISH TELECOMMUNICATIONS public limited company Detector-integrator

Also Published As

Publication number Publication date
JPS6317245B2 (en) 1988-04-13

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