CA1089097A - Circuit de conversion de signaux numeriques en signaux stochastiques - Google Patents

Circuit de conversion de signaux numeriques en signaux stochastiques

Info

Publication number
CA1089097A
CA1089097A CA249,391A CA249391A CA1089097A CA 1089097 A CA1089097 A CA 1089097A CA 249391 A CA249391 A CA 249391A CA 1089097 A CA1089097 A CA 1089097A
Authority
CA
Canada
Prior art keywords
digit
digital
signal
digits
counter
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.)
Expired
Application number
CA249,391A
Other languages
English (en)
Inventor
Kian K. Ong
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1089097A publication Critical patent/CA1089097A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/70—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using stochastic pulse trains, i.e. randomly occurring pulses the average pulse rates of which represent numbers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/04—Analogue/digital conversion; Digital/analogue conversion using stochastic techniques
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/82—Digital/analogue converters with intermediate conversion to time interval

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
CA249,391A 1975-04-08 1976-04-01 Circuit de conversion de signaux numeriques en signaux stochastiques Expired CA1089097A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7504147 1975-04-08
NLAANVRAGE7504147,A NL182116C (nl) 1975-04-08 1975-04-08 Digitaal-analoogomzetter, alsmede een televisie-ontvanger met een afstemschakeling, die de digitaal-analoogomzetter bevat.

Publications (1)

Publication Number Publication Date
CA1089097A true CA1089097A (fr) 1980-11-04

Family

ID=19823528

Family Applications (1)

Application Number Title Priority Date Filing Date
CA249,391A Expired CA1089097A (fr) 1975-04-08 1976-04-01 Circuit de conversion de signaux numeriques en signaux stochastiques

Country Status (10)

Country Link
JP (1) JPS51123501A (fr)
AU (1) AU509802B2 (fr)
BE (1) BE840430A (fr)
CA (1) CA1089097A (fr)
DE (1) DE2614751C3 (fr)
FR (1) FR2307401A1 (fr)
GB (1) GB1498369A (fr)
IT (1) IT1057843B (fr)
NL (1) NL182116C (fr)
NZ (1) NZ180514A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2838839C2 (de) * 1978-09-06 1983-03-03 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Umwandlung eines Digitalwertes in einen Analogwert sowie Digital-Analog-Umsetzer zur Durchführung des Verfahrens
DE3043727A1 (de) * 1980-11-20 1982-06-24 BBC Aktiengesellschaft Brown, Boveri & Cie., 5401 Baden, Aargau Verfahren zum periodischen wandeln eines digitalwertes in einen analogwert
JPS57155834A (en) * 1981-03-23 1982-09-27 Toshiba Corp Digital-to-analog converting circuit
JPS57155833A (en) * 1981-03-23 1982-09-27 Toshiba Corp Digital-to-analog converting circuit
JPH0461937U (fr) * 1990-10-05 1992-05-27

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2027015A1 (de) * 1969-06-02 1970-12-10 Societe Generale de Constructions Electriques et Mecaniques, Alsthom, Paris Verfahren zur Umwandlung eines elektrischen analogen Signales in ein numerisches und umgekehrt und Schaltung zur Durchführung des Verfahrens
DE2317851B2 (de) * 1973-04-10 1975-04-24 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth Digital-Analog-Wandler

Also Published As

Publication number Publication date
JPS51123501A (en) 1976-10-28
IT1057843B (it) 1982-03-30
BE840430A (fr) 1976-10-06
AU509802B2 (en) 1980-05-22
NL182116C (nl) 1988-01-04
NL7504147A (nl) 1976-10-12
FR2307401B1 (fr) 1981-09-04
AU1264476A (en) 1977-10-13
DE2614751C3 (de) 1981-07-16
DE2614751A1 (de) 1976-10-21
NL182116B (nl) 1987-08-03
JPS5626176B2 (fr) 1981-06-17
GB1498369A (en) 1978-01-18
FR2307401A1 (fr) 1976-11-05
NZ180514A (en) 1978-06-02
DE2614751B2 (de) 1980-08-21

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Legal Events

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