IT1071573B - Disposizione per la distribuzione della corrente elettrica in rapporti reciproci precisi - Google Patents

Disposizione per la distribuzione della corrente elettrica in rapporti reciproci precisi

Info

Publication number
IT1071573B
IT1071573B IT67930/77A IT6793077A IT1071573B IT 1071573 B IT1071573 B IT 1071573B IT 67930/77 A IT67930/77 A IT 67930/77A IT 6793077 A IT6793077 A IT 6793077A IT 1071573 B IT1071573 B IT 1071573B
Authority
IT
Italy
Prior art keywords
provision
distribution
electric current
mutual relations
precise mutual
Prior art date
Application number
IT67930/77A
Other languages
English (en)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT1071573B publication Critical patent/IT1071573B/it

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
IT67930/77A 1976-04-29 1977-04-26 Disposizione per la distribuzione della corrente elettrica in rapporti reciproci precisi IT1071573B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
IT1071573B true IT1071573B (it) 1985-04-10

Family

ID=19826100

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67930/77A IT1071573B (it) 1976-04-29 1977-04-26 Disposizione per la distribuzione della corrente elettrica in rapporti reciproci precisi

Country Status (12)

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

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
DE3778554D1 (de) * 1987-12-10 1992-05-27 Itt Ind Gmbh Deutsche 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
US4125803A (en) 1978-11-14
GB1526642A (en) 1978-09-27
DE2717042C3 (de) 1979-05-31
AU2458177A (en) 1978-11-02
SE432674B (sv) 1984-04-09
FR2349874B1 (it) 1982-10-15
JPS52132765A (en) 1977-11-07
ES458221A1 (es) 1978-02-16
CA1086821A (en) 1980-09-30
HK39379A (en) 1979-06-22
DE2717042A1 (de) 1977-11-10
FR2349874A1 (fr) 1977-11-25
NL7604570A (nl) 1977-11-01
JPS5731809B2 (it) 1982-07-07
SE7704752L (sv) 1977-10-30
DE2717042B2 (de) 1978-08-17
AU511268B2 (en) 1980-08-07

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950428