JPS52153653A - Logarithmic amplifier - Google Patents

Logarithmic amplifier

Info

Publication number
JPS52153653A
JPS52153653A JP7148376A JP7148376A JPS52153653A JP S52153653 A JPS52153653 A JP S52153653A JP 7148376 A JP7148376 A JP 7148376A JP 7148376 A JP7148376 A JP 7148376A JP S52153653 A JPS52153653 A JP S52153653A
Authority
JP
Japan
Prior art keywords
logarithmic amplifier
resistors
adder
semiconductors
compensate
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
JP7148376A
Other languages
Japanese (ja)
Other versions
JPS60811B2 (en
Inventor
Masaru Uya
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 JP7148376A priority Critical patent/JPS60811B2/en
Publication of JPS52153653A publication Critical patent/JPS52153653A/en
Publication of JPS60811B2 publication Critical patent/JPS60811B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/08—Limiting rate of change of amplitude

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Abstract

PURPOSE:To compensate the deviation from the logarithmic linearity existing in the PN junction of semiconductors, by constituting the adder inverting circuit of the operational amplifier circuit, resistors, and resistors with positive characteristics heat sensitivity.
JP7148376A 1976-06-16 1976-06-16 logarithmic amplifier Expired JPS60811B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7148376A JPS60811B2 (en) 1976-06-16 1976-06-16 logarithmic amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7148376A JPS60811B2 (en) 1976-06-16 1976-06-16 logarithmic amplifier

Publications (2)

Publication Number Publication Date
JPS52153653A true JPS52153653A (en) 1977-12-20
JPS60811B2 JPS60811B2 (en) 1985-01-10

Family

ID=13461924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7148376A Expired JPS60811B2 (en) 1976-06-16 1976-06-16 logarithmic amplifier

Country Status (1)

Country Link
JP (1) JPS60811B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6437111A (en) * 1987-07-31 1989-02-07 Leader Electronics Variable phase compensator
WO2016117434A1 (en) * 2015-01-20 2016-07-28 株式会社村田製作所 Sensor module, pressing detection device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6437111A (en) * 1987-07-31 1989-02-07 Leader Electronics Variable phase compensator
JP2610269B2 (en) * 1987-07-31 1997-05-14 リ−ダ−電子株式会社 Variable phase compensator
WO2016117434A1 (en) * 2015-01-20 2016-07-28 株式会社村田製作所 Sensor module, pressing detection device
JPWO2016117434A1 (en) * 2015-01-20 2017-10-12 株式会社村田製作所 Press detection device

Also Published As

Publication number Publication date
JPS60811B2 (en) 1985-01-10

Similar Documents

Publication Publication Date Title
NL7802973A (en) AMPLIFIER CIRCUIT WITH ADJUSTABLE GAIN FACTOR.
JPS52153653A (en) Logarithmic amplifier
JPS5338246A (en) Amplifier circuit
JPS5320554A (en) Constant current circuit
JPS5370479A (en) Photo agc system
JPS52127114A (en) Muting circuit
JPS51129160A (en) Phase sychronize circuit
JPS5342847A (en) Transmitter using temperature measuring resistor as input
JPS5342651A (en) Defferential amplifier circuit
JPS52108758A (en) Insulation amplifier
JPS5232534A (en) Invertor output control device
JPS5314541A (en) Bias circuit
JPS5289046A (en) Automatic balanced amplification circuit
JPS53129947A (en) Temperature compensated amplifier
JPS534457A (en) Amplifier circuit
JPS5257791A (en) Photo transistor circuit with temperature compensation
ES409416A1 (en) Group delay balancing cell, calibrable continuously. (Machine-translation by Google Translate, not legally binding)
JPS5380151A (en) Linear temperature amplifier
JPS52119928A (en) Photo-electroconversion circuit
JPS5286751A (en) Active filter network
JPS5235658A (en) Measuring circuit
JPS5341964A (en) Logarithmic amplifier circuit
JPS51129163A (en) Wave form rectification circuit
JPS51145253A (en) Schmitt trigger circuit
JPS5354455A (en) Negative resistance amplifier