JPS58120311A - Limiter - Google Patents

Limiter

Info

Publication number
JPS58120311A
JPS58120311A JP370382A JP370382A JPS58120311A JP S58120311 A JPS58120311 A JP S58120311A JP 370382 A JP370382 A JP 370382A JP 370382 A JP370382 A JP 370382A JP S58120311 A JPS58120311 A JP S58120311A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
connected
base
trq1
trq5
trq2
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
JP370382A
Other versions
JPS6338889B2 (en )
Inventor
Hiroyasu Yamaguchi
Original Assignee
Toshiba Corp
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

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G11/00Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/002Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general without controlling loop

Abstract

PURPOSE:To obtain a limiter circuit of high performance with a simple constitution, by supplying a bias power supply to the base of one of a differential pair of transistors and at the same time connecting an output terminal and a level limiting transistor to the base of the other transistor respectively. CONSTITUTION:An end of a resistance R11 is connected to an input terminal, and the other end is connected to an output terminal, the base of a transistor TRQ1 and the collector of a TRQ5 of opposite polarity. A TRQ2 having a bias power supply VB connected to the base forms a differential pair with the TRQ1. The emitters of the TRQ1 and Q2 are connected in common and then connected to a power supply VCC via a constant current source I1. The base of the TRQ5 is connected to the collector of the TRQ2, and the collectors of the TRQ1 and Q2 are connected to a negative power supply via a current mirror pair of TRQ3 and Q4. When the level of an output terminal OUT rises up to the value approximately equal to the voltage VB, the TRQ1 becomes nonconductive and the TRQ2 starts its conduction. When the current of the TRQ2 exceeds that of a TRQ4, this differential flows to the base of the TRQ5. Then the collector current of the TRQ5 flows, and the voltage drop of an R11 is increased and then becomes steady when the base potential of the TRQ1 is equal to the voltage VB. Thus the output voltage is kept at a constant level.
JP370382A 1982-01-13 1982-01-13 Expired JPS6338889B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP370382A JPS6338889B2 (en) 1982-01-13 1982-01-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP370382A JPS6338889B2 (en) 1982-01-13 1982-01-13

Publications (2)

Publication Number Publication Date
JPS58120311A true true JPS58120311A (en) 1983-07-18
JPS6338889B2 JPS6338889B2 (en) 1988-08-02

Family

ID=11564722

Family Applications (1)

Application Number Title Priority Date Filing Date
JP370382A Expired JPS6338889B2 (en) 1982-01-13 1982-01-13

Country Status (1)

Country Link
JP (1) JPS6338889B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0261714A1 (en) * 1986-09-09 1988-03-30 Philips Electronics N.V. Oscillator circuit
JPS6441512A (en) * 1987-08-07 1989-02-13 Mitsubishi Electric Corp Clip circuit
JPH0236607A (en) * 1988-07-27 1990-02-06 Hitachi Ltd Limiter circuit
JP2009038789A (en) * 2007-04-19 2009-02-19 National Semiconductor Germany Ag Circuit arrangement and method for limiting signal voltage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0261714A1 (en) * 1986-09-09 1988-03-30 Philips Electronics N.V. Oscillator circuit
JPS6441512A (en) * 1987-08-07 1989-02-13 Mitsubishi Electric Corp Clip circuit
JPH0236607A (en) * 1988-07-27 1990-02-06 Hitachi Ltd Limiter circuit
JP2009038789A (en) * 2007-04-19 2009-02-19 National Semiconductor Germany Ag Circuit arrangement and method for limiting signal voltage

Also Published As

Publication number Publication date Type
JPS6338889B2 (en) 1988-08-02 grant

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