CA1086821A - Current distribution arrangement for realizing a plurality of currents having a specific very accurately defined ratio relative to each other - Google Patents

Current distribution arrangement for realizing a plurality of currents having a specific very accurately defined ratio relative to each other

Info

Publication number
CA1086821A
CA1086821A CA277,050A CA277050A CA1086821A CA 1086821 A CA1086821 A CA 1086821A CA 277050 A CA277050 A CA 277050A CA 1086821 A CA1086821 A CA 1086821A
Authority
CA
Canada
Prior art keywords
current
currents
current source
coupling circuit
outputs
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
CA277,050A
Other languages
English (en)
French (fr)
Inventor
Rudy J. Van De Plassche
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 CA1086821A publication Critical patent/CA1086821A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is DC
    • G05F3/10—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26—Current mirrors
    • G05F3/265—Current mirrors using bipolar transistors only
    • 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
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplifiers (AREA)
  • Electronic Switches (AREA)
CA277,050A 1976-04-29 1977-04-26 Current distribution arrangement for realizing a plurality of currents having a specific very accurately defined ratio relative to each other Expired CA1086821A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7604,570 1976-04-29
NL7604570A NL7604570A (nl) 1976-04-29 1976-04-29 Stroomverdeelschakeling voor het realiseren van een aantal stromen die onderling zeer nauwkeurig een bepaalde grootteverhouding vertonen.

Publications (1)

Publication Number Publication Date
CA1086821A true CA1086821A (en) 1980-09-30

Family

ID=19826100

Family Applications (1)

Application Number Title Priority Date Filing Date
CA277,050A Expired CA1086821A (en) 1976-04-29 1977-04-26 Current distribution arrangement for realizing a plurality of currents having a specific very accurately defined ratio relative to each other

Country Status (12)

Country Link
US (1) US4125803A (show.php)
JP (1) JPS52132765A (show.php)
AU (1) AU511268B2 (show.php)
CA (1) CA1086821A (show.php)
DE (1) DE2717042C3 (show.php)
ES (1) ES458221A1 (show.php)
FR (1) FR2349874A1 (show.php)
GB (1) GB1526642A (show.php)
HK (1) HK39379A (show.php)
IT (1) IT1071573B (show.php)
NL (1) NL7604570A (show.php)
SE (1) SE432674B (show.php)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7700807A (nl) * 1977-01-27 1978-07-31 Philips Nv Stroomstabilisator.
US4166971A (en) * 1978-03-23 1979-09-04 Bell Telephone Laboratories, Incorporated Current mirror arrays
US4225816A (en) * 1979-05-21 1980-09-30 Rca Corporation Precision current source
NL8003948A (nl) * 1980-07-09 1982-02-01 Philips Nv Digitaal-analoog omzetter.
JPS57184323A (en) * 1981-05-08 1982-11-13 Toshiba Corp Current source circuit
NL8205013A (nl) * 1982-12-28 1984-07-16 Philips Nv Precisiestroombronschakeling.
NL8300466A (nl) * 1983-02-08 1984-09-03 Philips Nv Stroombronschakeling.
EP0253950B1 (de) * 1986-07-21 1991-07-17 Deutsche ITT Industries GmbH Monolithisch integrierter Digital/Analog-Wandler
DE3709207A1 (de) * 1987-02-28 1988-09-08 Standard Elektrik Lorenz Ag Schaltungsanordnung zum umwandeln von digitalen tonsignalwerten in ein analoges tonsignal
US4874964A (en) * 1987-05-28 1989-10-17 Sony Corporation Current generating circuit
EP0319609B1 (de) * 1987-12-10 1992-04-22 Deutsche ITT Industries GmbH Digital/Analog-Wandler mit zyklischer Ansteuerung von Stromquellen
NL8703128A (nl) * 1987-12-24 1989-07-17 Philips Nv Digitaal-analoog-omzetter.
US4859930A (en) * 1988-02-16 1989-08-22 Schouwenaars Hendrikus J Current source arrangement
DE3876979D1 (de) * 1988-03-31 1993-02-04 Itt Ind Gmbh Deutsche Schaltungsanordnung zur mittelwertbildung bei der pulsdichte-d/a- oder -a/d-umsetzung.
US5084701A (en) * 1990-05-03 1992-01-28 Trw Inc. Digital-to-analog converter using cyclical current source switching
US5384546A (en) * 1993-11-08 1995-01-24 International Business Machine Corp. Time domain component multiplexor
US5534863A (en) * 1994-01-06 1996-07-09 Level One Communications, Inc. Low resolution, high linearity digital-to-analog converter without trim
JP3469326B2 (ja) * 1994-08-16 2003-11-25 バー−ブラウン・コーポレーション デジタル−アナログ変換器
GB2296398B (en) * 1994-12-22 1998-03-25 Motorola Inc Noise cancellation circuit and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783307A (en) * 1972-01-03 1974-01-01 Trw Inc Analog transmission gate
US3891937A (en) * 1972-12-21 1975-06-24 Philips Corp Circuit arrangement for electronic gain/control, in particular electronic volume control circuit
US3887863A (en) * 1973-11-28 1975-06-03 Analog Devices Inc Solid-state regulated voltage supply
NL7405441A (nl) * 1974-04-23 1975-10-27 Philips Nv Nauwkeurige stroombronschakeling.

Also Published As

Publication number Publication date
JPS5731809B2 (show.php) 1982-07-07
NL7604570A (nl) 1977-11-01
FR2349874B1 (show.php) 1982-10-15
HK39379A (en) 1979-06-22
DE2717042C3 (de) 1979-05-31
US4125803A (en) 1978-11-14
FR2349874A1 (fr) 1977-11-25
AU2458177A (en) 1978-11-02
JPS52132765A (en) 1977-11-07
SE432674B (sv) 1984-04-09
GB1526642A (en) 1978-09-27
DE2717042A1 (de) 1977-11-10
ES458221A1 (es) 1978-02-16
AU511268B2 (en) 1980-08-07
DE2717042B2 (de) 1978-08-17
IT1071573B (it) 1985-04-10
SE7704752L (sv) 1977-10-30

Similar Documents

Publication Publication Date Title
CA1086821A (en) Current distribution arrangement for realizing a plurality of currents having a specific very accurately defined ratio relative to each other
CA1039353A (en) Precision multiple-current source
EP0115897B1 (en) Current source arrangement
US4543560A (en) Two-stage high resolution digital-to-analog converter
US4137525A (en) Signal converter
CA1164536A (en) Reference voltage generator for use in and a/d or d/a converter
US4935740A (en) Digital-to-analog converter
US5021784A (en) Calibrated current source with ripple reduction
GB2029144A (en) Digital analogue converter
US4349811A (en) Digital-to-analog converter with improved compensation arrangement for offset voltage variations
US3995266A (en) Device for setting an electric command variable
US4459580A (en) DA Converter
US4415815A (en) Electronic switch
GB804628A (en) Precision step voltage generator
GB2029143A (en) Digital to analogue converter
US3829783A (en) Generator for generating a number of selected frequencies
US4705961A (en) Programmable sweep generator
CA1071717A (en) Arrangement for producing pulse-shaped signals
US3895378A (en) Decoder for telephonic transmissions
US3750141A (en) Circuit arrangement for the controlled energization of a load
US3777289A (en) Selector having constant current sources and compensating diode for reducing ambient temperature effects on varactor tuner
CA1047634A (en) Gate triggering method and system for speech channel switches
US3766402A (en) Digital-to-analog converter parallel-current voltage regulating circuit
US4056033A (en) Tone generator system for an electronic organ
US5455580A (en) Circuit device utilizing a plurality of transistor pairs

Legal Events

Date Code Title Description
MKEX Expiry