LU49810A1 - - Google Patents

Info

Publication number
LU49810A1
LU49810A1 LU49810A LU49810A LU49810A1 LU 49810 A1 LU49810 A1 LU 49810A1 LU 49810 A LU49810 A LU 49810A LU 49810 A LU49810 A LU 49810A LU 49810 A1 LU49810 A1 LU 49810A1
Authority
LU
Luxembourg
Application number
LU49810A
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 filed Critical
Publication of LU49810A1 publication Critical patent/LU49810A1/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/14—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
    • 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
    • H03B5/24—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 active element in amplifier being semiconductor device
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
LU49810A 1964-11-12 1965-11-10 LU49810A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR994712A FR1426999A (fr) 1964-11-12 1964-11-12 Générateur de fréquence variable

Publications (1)

Publication Number Publication Date
LU49810A1 true LU49810A1 (fr) 1966-05-10

Family

ID=8842347

Family Applications (1)

Application Number Title Priority Date Filing Date
LU49810A LU49810A1 (fr) 1964-11-12 1965-11-10

Country Status (6)

Country Link
US (1) US3302129A (fr)
BE (1) BE672135A (fr)
FR (1) FR1426999A (fr)
GB (1) GB1133001A (fr)
LU (1) LU49810A1 (fr)
NL (1) NL6514702A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883826A (en) * 1971-07-15 1975-05-13 Ici Ltd Adjustable frequency oscillator with regenerative feedback and a coupling unit including a differential amplifier for adjusting the feedback

Also Published As

Publication number Publication date
US3302129A (en) 1967-01-31
BE672135A (fr) 1966-05-10
NL6514702A (fr) 1966-05-13
FR1426999A (fr) 1966-02-04
GB1133001A (en) 1968-11-06

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