FR1477597A - Perfectionnements aux circuits de multiplication - Google Patents

Perfectionnements aux circuits de multiplication

Info

Publication number
FR1477597A
FR1477597A FR51771A FR51771A FR1477597A FR 1477597 A FR1477597 A FR 1477597A FR 51771 A FR51771 A FR 51771A FR 51771 A FR51771 A FR 51771A FR 1477597 A FR1477597 A FR 1477597A
Authority
FR
France
Prior art keywords
multiplication circuits
multiplication
circuits
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
FR51771A
Other languages
English (en)
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.)
Gemalto Terminals Ltd
Original Assignee
Solartron Electronic Group Ltd
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
Priority claimed from GB10420/65A external-priority patent/GB1129521A/en
Application filed by Solartron Electronic Group Ltd filed Critical Solartron Electronic Group Ltd
Priority to FR51771A priority Critical patent/FR1477597A/fr
Application granted granted Critical
Publication of FR1477597A publication Critical patent/FR1477597A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using a variable impedance controlled by one of the input signals, variable amplification or transfer function
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/36—Amplitude modulation by means of semiconductor device having at least three electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/542—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes
    • H03C1/545—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes using bipolar transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
FR51771A 1965-03-11 1966-03-03 Perfectionnements aux circuits de multiplication Expired FR1477597A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR51771A FR1477597A (fr) 1965-03-11 1966-03-03 Perfectionnements aux circuits de multiplication

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB10420/65A GB1129521A (en) 1965-03-11 1965-03-11 Improvements in multiplicative modulator
FR51771A FR1477597A (fr) 1965-03-11 1966-03-03 Perfectionnements aux circuits de multiplication

Publications (1)

Publication Number Publication Date
FR1477597A true FR1477597A (fr) 1967-04-21

Family

ID=26168959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR51771A Expired FR1477597A (fr) 1965-03-11 1966-03-03 Perfectionnements aux circuits de multiplication

Country Status (1)

Country Link
FR (1) FR1477597A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0171653A2 (fr) * 1984-08-16 1986-02-19 Hewlett-Packard Company Circuit multiplicateur analogique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0171653A2 (fr) * 1984-08-16 1986-02-19 Hewlett-Packard Company Circuit multiplicateur analogique
EP0171653A3 (fr) * 1984-08-16 1988-08-03 Hewlett-Packard Company Circuit multiplicateur analogique

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