DE2312085A1 - Logarithmische verstaerkerschaltung - Google Patents

Logarithmische verstaerkerschaltung

Info

Publication number
DE2312085A1
DE2312085A1 DE2312085A DE2312085A DE2312085A1 DE 2312085 A1 DE2312085 A1 DE 2312085A1 DE 2312085 A DE2312085 A DE 2312085A DE 2312085 A DE2312085 A DE 2312085A DE 2312085 A1 DE2312085 A1 DE 2312085A1
Authority
DE
Germany
Prior art keywords
amplifier
starting point
semiconductor
output terminal
input terminal
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
DE2312085A
Other languages
German (de)
English (en)
Inventor
Morteza M Chamran
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.)
Applied Biosystems Inc
Original Assignee
Perkin Elmer 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
Application filed by Perkin Elmer Corp filed Critical Perkin Elmer Corp
Publication of DE2312085A1 publication Critical patent/DE2312085A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DE2312085A 1972-03-17 1973-03-10 Logarithmische verstaerkerschaltung Pending DE2312085A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23556572A 1972-03-17 1972-03-17

Publications (1)

Publication Number Publication Date
DE2312085A1 true DE2312085A1 (de) 1973-10-04

Family

ID=22886022

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2312085A Pending DE2312085A1 (de) 1972-03-17 1973-03-10 Logarithmische verstaerkerschaltung

Country Status (8)

Country Link
US (1) US3790819A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS496864A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH554107A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2312085A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2177080B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1414866A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT981339B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7303608A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2220925B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-02-27 1976-04-30 Thomson Csf
US3967105A (en) * 1975-05-19 1976-06-29 Control Data Corporation Transistor power and root computing system
US4091295A (en) * 1975-10-08 1978-05-23 Tokyo Shibaura Electric Co., Ltd. Transistor circuit
JPS5844885B2 (ja) * 1980-12-22 1983-10-06 株式会社トルカ− 揺動形アクチユエ−タ
US4418317A (en) * 1981-05-18 1983-11-29 Tektronix, Inc. Logarithmic amplifier utilizing positive feedback
JPS5967604U (ja) * 1982-07-28 1984-05-08 大彌産業株式会社 トルクアクチユエ−タ−
CA1203628A (en) * 1983-01-03 1986-04-22 Barrie Gilbert Temperature compensated logarithmic circuit
US5126846A (en) * 1988-08-08 1992-06-30 Kabushiki Kaisha Toshiba Non-linear amplifier and non-linear emphasis/deemphasis circuit using the same
US5200655A (en) * 1991-06-03 1993-04-06 Motorola, Inc. Temperature-independent exponential converter
US5528191A (en) * 1994-09-12 1996-06-18 Fuji Photo Film Co., Ltd. Logarithmic amplifier having improved speed response
JP3536936B2 (ja) * 1994-09-12 2004-06-14 富士写真フイルム株式会社 対数増幅器
US5481218A (en) * 1994-09-30 1996-01-02 Telefonaktiebolaget Lm Ericsson Logarithmic converter
GB9514490D0 (en) * 1995-07-14 1995-09-13 Nokia Telecommunications Oy Improvements to a logarithmic converter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3369128A (en) * 1964-02-10 1968-02-13 Nexus Res Lab Inc Logarithmic function generator
US3381229A (en) * 1964-12-02 1968-04-30 Honeywell Inc Bipolar capacitive integrator with fast reset
US3548323A (en) * 1967-09-07 1970-12-15 Gordon Eng Co Non-linear mathematical signal conditioning system
US3584232A (en) * 1969-01-21 1971-06-08 Bell Telephone Labor Inc Precision logarithmic converter
US3714462A (en) * 1971-06-14 1973-01-30 D Blackmer Multiplier circuits

Also Published As

Publication number Publication date
US3790819A (en) 1974-02-05
CH554107A (de) 1974-09-13
JPS496864A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-01-22
FR2177080B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-09-10
IT981339B (it) 1974-10-10
FR2177080A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-11-02
GB1414866A (en) 1975-11-19
NL7303608A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-09-19

Similar Documents

Publication Publication Date Title
DE2312085A1 (de) Logarithmische verstaerkerschaltung
DE2338284C2 (de) Verstärkungssteuerschaltung
DE2522437A1 (de) Temperaturmesswertwandler
DE2854901A1 (de) Konstantspannungsgenerator zum erzeugen einer konstantspannung mit vorgegebenem temperaturkoeffizienten
DE2424812A1 (de) Verstaerker mit ueberstromschutz
DE3039261A1 (de) Integrierte halbleiterschaltungsvorrichtung
DE2238348A1 (de) Funktionsverstaerker
DE102015101319B4 (de) Zwei zur absoluten Temperatur proportionale Strom- und Spannungsgeneratoren mit niedriger Leistung und entsprechendes Verfahren
DE2950584C2 (de) Schaltungsanordnung mit steuerbarem Widerstand
DE2552863B2 (de) Logarithmischer Verstärker
DE4237122A1 (de) Schaltungsanordnung zur Überwachung des Drainstromes eines Metall-Oxid-Halbleiter-Feldeffekttransistors
DE3210644C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE2240372A1 (de) Halbleiteranordnung mit einem integrierten thermoelement
EP0000863B1 (de) Temperaturkompensierter integrierter Halbleiterwiderstand
DE1541488B2 (de) Monolithisch-integrierte halbleiter-verstaerker-schaltung
DE3021788A1 (de) Integrierte spannungsgesteuerte schaltung veraenderbarer verstaerkung sowie diese verwendende signaluebertragungsschaltung
US3566293A (en) Transistor bias and temperature compensation circuit
DE3446001C2 (de) Integrierte Differentialverstärkerschaltung
EP0014350A1 (de) Monolithisch integrierte Halbleiterschaltung
DE69216323T2 (de) Impedanzvervielfacher
DE2544000A1 (de) Wandler zur umwandlung eines einseitigen eingangssignals in ein gegentaktausgangssignal
DE2520713A1 (de) Sensorkreis
DE2534271A1 (de) Frequenz-wandle
DE3228785C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE2352541C3 (de) Kontaktloser Schalter

Legal Events

Date Code Title Description
OHA Expiration of time for request for examination