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ES180303A1 - IMPROVEMENTS IN OSCILLATORS - Google Patents

IMPROVEMENTS IN OSCILLATORS

Info

Publication number
ES180303A1
ES180303A1 ES0180303A ES180303A ES180303A1 ES 180303 A1 ES180303 A1 ES 180303A1 ES 0180303 A ES0180303 A ES 0180303A ES 180303 A ES180303 A ES 180303A ES 180303 A1 ES180303 A1 ES 180303A1
Authority
ES
Spain
Prior art keywords
oscillators
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
ES0180303A
Other languages
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES180303A1 publication Critical patent/ES180303A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • 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
    • H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit
    • H03C3/16—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit in which the active element simultaneously serves as the active element of an oscillator
ES0180303A 1946-06-19 1947-10-30 IMPROVEMENTS IN OSCILLATORS Expired ES180303A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US677656A US2492185A (en) 1946-06-19 1946-06-19 Oscillator

Publications (1)

Publication Number Publication Date
ES180303A1 true ES180303A1 (en) 1947-12-01

Family

ID=24719624

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0180303A Expired ES180303A1 (en) 1946-06-19 1947-10-30 IMPROVEMENTS IN OSCILLATORS

Country Status (5)

Country Link
US (1) US2492185A (en)
BE (1) BE476373A (en)
CH (1) CH266249A (en)
ES (1) ES180303A1 (en)
NL (1) NL132648B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675476A (en) * 1945-06-23 1954-04-13 Reuben A Isberg Oscillator
GB2147753A (en) * 1983-10-07 1985-05-15 Philips Electronic Associated Voltage controlled oscillator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2326314A (en) * 1941-08-30 1943-08-10 Rca Corp Frequency modulation
US2318979A (en) * 1941-10-02 1943-05-11 Rca Corp Frequency modulator
US2440621A (en) * 1944-04-25 1948-04-27 Rca Corp Frequency modulation

Also Published As

Publication number Publication date
BE476373A (en)
NL132648B (en)
US2492185A (en) 1949-12-27
CH266249A (en) 1950-01-15

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