ES247397A1 - Perfeccionamientos aportados a los esciladores electricos - Google Patents

Perfeccionamientos aportados a los esciladores electricos

Info

Publication number
ES247397A1
ES247397A1 ES0247397A ES247397A ES247397A1 ES 247397 A1 ES247397 A1 ES 247397A1 ES 0247397 A ES0247397 A ES 0247397A ES 247397 A ES247397 A ES 247397A ES 247397 A1 ES247397 A1 ES 247397A1
Authority
ES
Spain
Prior art keywords
capacity
amplification
relating
circuits embodying
thermionic
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
ES0247397A
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.)
LESLIE COOMBS FREDERICK
Original Assignee
LESLIE COOMBS FREDERICK
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 LESLIE COOMBS FREDERICK filed Critical LESLIE COOMBS FREDERICK
Publication of ES247397A1 publication Critical patent/ES247397A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
    • 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/24—Angle modulation by means of variable impedance by means of a variable resistive element, e.g. tube
    • H03C3/245—Angle modulation by means of variable impedance by means of a variable resistive element, e.g. tube by using semiconductor elements

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)

Abstract

Perfeccionamientos aportados a los osciladores eléctricos, caracterizados en que en un dispositivo de reactancia variable,la amplificación de un dispositivo amplificador, como son un transistor o una lámpara termoiónica, es variada mediante la introducción de una contra-reacción variable, siendo esta variación de amplificación causa de que varía en simpatía la capacidad de entrada, ya que esta capacidad de entrada es parcialmente función de la amplificación y de la capacidad entre el electrodo colector y el electrodo base (o en el caso de una lámpara termoiónica la capacidad entre el anodo y la rejilla).
ES0247397A 1958-02-19 1959-02-20 Perfeccionamientos aportados a los esciladores electricos Expired ES247397A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5455/58A GB880728A (en) 1958-02-19 1958-02-19 Improvements in and relating to circuits embodying reactive devices

Publications (1)

Publication Number Publication Date
ES247397A1 true ES247397A1 (es) 1960-06-01

Family

ID=9796505

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0247397A Expired ES247397A1 (es) 1958-02-19 1959-02-20 Perfeccionamientos aportados a los esciladores electricos

Country Status (5)

Country Link
CH (1) CH389692A (es)
DE (1) DE1200383B (es)
ES (1) ES247397A1 (es)
GB (1) GB880728A (es)
NL (1) NL236310A (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1267276B (de) * 1964-11-05 1968-05-02 Fernseh Gmbh Transistor-Modulator zur Amplitudenmodulation eines hochfrequenten Traegers mit einem Videosignal
DE3326382A1 (de) * 1983-07-22 1985-01-31 Siemens AG, 1000 Berlin und 8000 München Nachstimmbarer lc-oszillator mit spannungsgesteuerter reaktanz
JP4952713B2 (ja) * 2006-03-20 2012-06-13 富士通株式会社 アナログ回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB754156A (en) * 1953-04-15 1956-08-01 Western Electric Co Electric circuits employing transistors for the generation of frequency modulated oscillations

Also Published As

Publication number Publication date
NL236310A (es)
GB880728A (en) 1961-10-25
DE1200383B (de) 1965-09-09
CH389692A (fr) 1965-03-31

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