BR7908421A - Conversor logaritmico de sinal analogico em digital - Google Patents

Conversor logaritmico de sinal analogico em digital

Info

Publication number
BR7908421A
BR7908421A BR7908421A BR7908421A BR7908421A BR 7908421 A BR7908421 A BR 7908421A BR 7908421 A BR7908421 A BR 7908421A BR 7908421 A BR7908421 A BR 7908421A BR 7908421 A BR7908421 A BR 7908421A
Authority
BR
Brazil
Prior art keywords
digital
logarithmic converter
analog sign
sign
analog
Prior art date
Application number
BR7908421A
Other languages
English (en)
Inventor
R Depuy
A Leitten
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BR7908421A publication Critical patent/BR7908421A/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/58—Non-linear conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval
    • H03M1/52—Input signal integrated with linear return to datum
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/145—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit the steps being performed sequentially in series-connected stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Analogue/Digital Conversion (AREA)
BR7908421A 1978-12-20 1979-12-19 Conversor logaritmico de sinal analogico em digital BR7908421A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/971,188 US4190825A (en) 1978-12-20 1978-12-20 Logarithmic analog-to-digital converter

Publications (1)

Publication Number Publication Date
BR7908421A true BR7908421A (pt) 1980-09-23

Family

ID=25518038

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7908421A BR7908421A (pt) 1978-12-20 1979-12-19 Conversor logaritmico de sinal analogico em digital

Country Status (10)

Country Link
US (1) US4190825A (pt)
BR (1) BR7908421A (pt)
CH (1) CH643972A5 (pt)
DE (1) DE2950160A1 (pt)
ES (1) ES487129A1 (pt)
FR (1) FR2445073A1 (pt)
GB (1) GB2040127B (pt)
IT (1) IT1126490B (pt)
MX (1) MX147432A (pt)
SE (1) SE435009B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8402918A (nl) * 1984-09-25 1986-04-16 Philips Nv Niveau-indikator.
US4872687A (en) * 1987-07-23 1989-10-10 Dooley Daniel J Putting tutor
DE3829357A1 (de) * 1988-08-30 1990-03-08 Georg Plasberg Logarithmierender analog-digitalwandler
DE19739768A1 (de) * 1997-09-10 1999-03-11 Siemens Nixdorf Inf Syst Verfahren und Einrichtung zum Erzeugen einer Folge von mehrstelligen Binärcodes
DE19903557C1 (de) * 1999-01-29 2000-08-31 Texas Instruments Deutschland Verfahren zum Messen der Schwellenspannung eines Komparators und Anwendung dieses Verfahrens
DE102008007207A1 (de) 2008-02-01 2009-08-06 Reimer Offen Logarithmierender Analog-Digital Wandler

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1298546C2 (de) * 1967-06-08 1975-01-30 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zur analogdigital-umsetzung
GB1220091A (en) * 1967-10-27 1971-01-20 Solartron Electronic Group Improvements in ramp type analogue to digital converters
US3564538A (en) * 1968-01-29 1971-02-16 Gen Electric Multiple slope analog to digital converter
DE2114141B2 (de) * 1971-03-24 1973-08-09 Grutzediek, Hartmut, Dipl Phys Dr , 4952 Hausberge, Scheerer, Joachim, Dipl Phys, 6710 Frankenthal Analog-digital-umsetzer mit einem integrierenden verstaerker nach den mehrfach-rampen-verfahren
DE2139126B2 (de) * 1971-08-05 1972-10-12 Wandel U. Goltermann, 7410 Reutlingen Digital in logarithmischem mass anzeigender spannungsmesser
FR2308146A1 (fr) * 1975-04-18 1976-11-12 Nancy Fondation Brasserie Malt Dispositif pour calculer la valeur numerique d'une fonction exponentielle d'une variable analogique

Also Published As

Publication number Publication date
ES487129A1 (es) 1980-09-16
IT1126490B (it) 1986-05-21
SE435009B (sv) 1984-08-27
US4190825A (en) 1980-02-26
GB2040127A (en) 1980-08-20
SE7909818L (sv) 1980-06-21
IT7927880A0 (it) 1979-12-07
FR2445073A1 (fr) 1980-07-18
MX147432A (es) 1982-12-02
GB2040127B (en) 1983-01-06
DE2950160A1 (de) 1980-07-10
CH643972A5 (de) 1984-06-29

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