FR939091A - Perfectionnements aux réseaux sélectifs - Google Patents

Perfectionnements aux réseaux sélectifs

Info

Publication number
FR939091A
FR939091A FR939091DA FR939091A FR 939091 A FR939091 A FR 939091A FR 939091D A FR939091D A FR 939091DA FR 939091 A FR939091 A FR 939091A
Authority
FR
France
Prior art keywords
selective networks
networks
selective
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
Other languages
English (en)
Inventor
Bent Bulow Jacobsen
William John Mitchell
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR939091A publication Critical patent/FR939091A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/38—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator frequency-determining element being connected via bridge circuit to closed ring around which signal is transmitted
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
    • H03B5/26—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator frequency-determining element being part of bridge circuit in closed ring around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed ring, e.g. Wien-Bridge oscillator, parallel-T oscillator
    • H03B5/28—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator frequency-determining element being part of bridge circuit in closed ring around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed ring, e.g. Wien-Bridge oscillator, parallel-T oscillator active element in amplifier being vacuum tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/16—Networks for phase shifting
    • H03H11/18—Two-port phase shifters providing a predetermined phase shift, e.g. "all-pass" filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/075—Ladder networks, e.g. electric wave filters
FR939091D 1945-01-01 1946-04-01 Perfectionnements aux réseaux sélectifs Expired FR939091A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB280652X 1945-01-01

Publications (1)

Publication Number Publication Date
FR939091A true FR939091A (fr) 1948-11-03

Family

ID=10269698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939091D Expired FR939091A (fr) 1945-01-01 1946-04-01 Perfectionnements aux réseaux sélectifs

Country Status (4)

Country Link
US (1) US2611874A (fr)
BE (1) BE471221A (fr)
CH (1) CH280652A (fr)
FR (1) FR939091A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744228A (en) * 1951-10-01 1956-05-01 Morrison Montford Apparatus for reduction of amplitude variation in pulsating voltages
US2839685A (en) * 1955-05-13 1958-06-17 Harvey O Riggs Fixed frequency oscillator
US2860300A (en) * 1957-05-27 1958-11-11 Thompson Prod Inc Electric circuit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1759952A (en) * 1926-03-01 1930-05-27 American Telephone & Telegraph Electrical transmission system
US1902031A (en) * 1931-01-06 1933-03-21 American Telephone & Telegraph Filtering apparatus
DE584644C (de) * 1931-04-26 1933-09-22 Philips Nv Schaltung, in der ein elektrisches Filter in Verbindung mit Verstaerkerroehren angewendet wird
US2031100A (en) * 1934-09-10 1936-02-18 Rca Corp Oscillation generator
US2163403A (en) * 1937-07-02 1939-06-20 Bell Telephone Labor Inc Stabilized oscillator
US2240450A (en) * 1940-01-29 1941-04-29 Bliley Electric Company Piezoelectric crystal apparatus
US2261286A (en) * 1940-07-13 1941-11-04 Rca Corp Frequency modulation detector

Also Published As

Publication number Publication date
BE471221A (fr)
CH280652A (de) 1952-01-31
US2611874A (en) 1952-09-23

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