DE2145885A1 - Analoge Rechen Schaltungsanordnung - Google Patents

Analoge Rechen Schaltungsanordnung

Info

Publication number
DE2145885A1
DE2145885A1 DE19712145885 DE2145885A DE2145885A1 DE 2145885 A1 DE2145885 A1 DE 2145885A1 DE 19712145885 DE19712145885 DE 19712145885 DE 2145885 A DE2145885 A DE 2145885A DE 2145885 A1 DE2145885 A1 DE 2145885A1
Authority
DE
Germany
Prior art keywords
output
input
amplifier
circuit arrangement
logarithmic
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
DE19712145885
Other languages
German (de)
English (en)
Inventor
Jon Malcolm Corstorphine Edinburgh Schottland Morrison (Großbritannien)
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Publication of DE2145885A1 publication Critical patent/DE2145885A1/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)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
DE19712145885 1970-09-19 1971-09-14 Analoge Rechen Schaltungsanordnung Pending DE2145885A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4472670 1970-09-19

Publications (1)

Publication Number Publication Date
DE2145885A1 true DE2145885A1 (de) 1972-03-23

Family

ID=10434492

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712145885 Pending DE2145885A1 (de) 1970-09-19 1971-09-14 Analoge Rechen Schaltungsanordnung

Country Status (5)

Country Link
US (1) US3736415A (enExample)
CA (1) CA941069A (enExample)
DE (1) DE2145885A1 (enExample)
FR (1) FR2106625B1 (enExample)
GB (1) GB1302056A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51115750A (en) * 1975-04-04 1976-10-12 Hitachi Ltd Multiplication device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3453423A (en) * 1966-03-16 1969-07-01 Atomic Energy Commission Four quadrant logarithmic multiplier for time-dependent signals
US3540825A (en) * 1968-01-18 1970-11-17 Mcpherson Instr Corp Double beam spectrometer readout system
US3532868A (en) * 1968-07-24 1970-10-06 Electronic Associates Log multiplier with logarithmic function generator connected in feedback loop of operational amplifier
US3584232A (en) * 1969-01-21 1971-06-08 Bell Telephone Labor Inc Precision logarithmic converter

Also Published As

Publication number Publication date
US3736415A (en) 1973-05-29
GB1302056A (enExample) 1973-01-04
FR2106625B1 (enExample) 1976-03-26
FR2106625A1 (enExample) 1972-05-05
CA941069A (en) 1974-01-29

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