FR2147178B1 - - Google Patents

Info

Publication number
FR2147178B1
FR2147178B1 FR7226745A FR7226745A FR2147178B1 FR 2147178 B1 FR2147178 B1 FR 2147178B1 FR 7226745 A FR7226745 A FR 7226745A FR 7226745 A FR7226745 A FR 7226745A FR 2147178 B1 FR2147178 B1 FR 2147178B1
Authority
FR
France
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
FR7226745A
Other versions
FR2147178A1 (fr
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
Application filed by Solartron Electronic Group Ltd filed Critical Solartron Electronic Group Ltd
Publication of FR2147178A1 publication Critical patent/FR2147178A1/fr
Application granted granted Critical
Publication of FR2147178B1 publication Critical patent/FR2147178B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of ac into dc
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
FR7226745A 1971-07-27 1972-07-25 Expired FR2147178B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3529971 1971-07-27

Publications (2)

Publication Number Publication Date
FR2147178A1 FR2147178A1 (fr) 1973-03-09
FR2147178B1 true FR2147178B1 (fr) 1975-06-13

Family

ID=10376143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226745A Expired FR2147178B1 (fr) 1971-07-27 1972-07-25

Country Status (6)

Country Link
US (1) US3772582A (fr)
DE (1) DE2208850C3 (fr)
FR (1) FR2147178B1 (fr)
GB (1) GB1345207A (fr)
NL (1) NL7210269A (fr)
SE (1) SE378165B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5424630B2 (fr) * 1973-08-10 1979-08-22
FR2297517A1 (fr) * 1975-01-10 1976-08-06 Thomson Csf Dispositif de compression de bande et systeme de detection active comportant un tel dispositif
US6125047A (en) * 1993-12-14 2000-09-26 Seagate Technology, Inc. Regulated inverting power supply
US6778347B2 (en) 2000-11-20 2004-08-17 Seagate Technology Llc Load balancing circuit for a dual polarity power supply with single polarity voltage regulation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2994825A (en) * 1958-07-09 1961-08-01 Hewlett Packard Co Voltage to time-interval converter
US3491252A (en) * 1964-11-16 1970-01-20 United Systems Corp Ac-dc converter
US3473122A (en) * 1966-12-05 1969-10-14 Hickok Electrical Instr Co The Digital voltmeter
US3569841A (en) * 1968-07-09 1971-03-09 Peter L Richman Harmonic-rejecting ac-to-dc converter
US3631342A (en) * 1970-01-26 1971-12-28 Vidar Corp Digital voltmeter apparatus employing a bipolar amplifier having a unidirectional output and a voltage controlled oscillator
US3657566A (en) * 1970-05-13 1972-04-18 Hickok Electrical Instr Co The Alternating current to direct current signal converter
US3636430A (en) * 1970-10-26 1972-01-18 Westinghouse Electric Corp Anticipatory feedback control for inverters

Also Published As

Publication number Publication date
DE2208850C3 (de) 1979-09-13
NL7210269A (fr) 1973-01-30
GB1345207A (en) 1974-01-30
DE2208850B2 (de) 1979-01-25
SE378165B (fr) 1975-08-18
FR2147178A1 (fr) 1973-03-09
DE2208850A1 (de) 1973-02-15
US3772582A (en) 1973-11-13

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Legal Events

Date Code Title Description
ST Notification of lapse