IT1015324B - ARRANGEMENT TO IMPROVE THE LI MEARITY OF A FREQUENCY MODULATED OSCILLATOR - Google Patents

ARRANGEMENT TO IMPROVE THE LI MEARITY OF A FREQUENCY MODULATED OSCILLATOR

Info

Publication number
IT1015324B
IT1015324B IT24320/74A IT2432074A IT1015324B IT 1015324 B IT1015324 B IT 1015324B IT 24320/74 A IT24320/74 A IT 24320/74A IT 2432074 A IT2432074 A IT 2432074A IT 1015324 B IT1015324 B IT 1015324B
Authority
IT
Italy
Prior art keywords
mearity
arrangement
improve
frequency modulated
modulated oscillator
Prior art date
Application number
IT24320/74A
Other languages
Italian (it)
Inventor
G Endersz
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of IT1015324B publication Critical patent/IT1015324B/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B9/00Generation of oscillations using transit-time effects
    • H03B9/12Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices
    • H03B9/14Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices and elements comprising distributed inductance and capacitance
    • H03B9/141Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices and elements comprising distributed inductance and capacitance and comprising a voltage sensitive element, e.g. varactor
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/02Details
    • H03C3/08Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C3/00Angle modulation
    • H03C3/10Angle modulation by means of variable impedance
    • H03C3/12Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/22Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C7/00Modulating electromagnetic waves
    • H03C7/02Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
    • H03C7/025Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices
    • H03C7/027Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices using diodes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B2200/00Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006Functional aspects of oscillators
    • H03B2200/007Generation of oscillations based on harmonic frequencies, e.g. overtone oscillators
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C2200/00Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0037Functional aspects of modulators
    • H03C2200/0079Measures to linearise modulation or reduce distortion of modulation characteristics

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
IT24320/74A 1973-06-25 1974-06-24 ARRANGEMENT TO IMPROVE THE LI MEARITY OF A FREQUENCY MODULATED OSCILLATOR IT1015324B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7308906A SE369134B (en) 1973-06-25 1973-06-25

Publications (1)

Publication Number Publication Date
IT1015324B true IT1015324B (en) 1977-05-10

Family

ID=20317877

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24320/74A IT1015324B (en) 1973-06-25 1974-06-24 ARRANGEMENT TO IMPROVE THE LI MEARITY OF A FREQUENCY MODULATED OSCILLATOR

Country Status (7)

Country Link
JP (1) JPS5038448A (en)
CA (1) CA987750A (en)
FR (1) FR2234694B1 (en)
GB (1) GB1478896A (en)
IT (1) IT1015324B (en)
NO (1) NO132258C (en)
SE (1) SE369134B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3510800A (en) * 1967-07-24 1970-05-05 Hitachi Ltd Negative resistance oscillator stabilized with fundamental and harmonic frequency cavity resonators
JPS4931823A (en) * 1972-08-02 1974-03-22

Also Published As

Publication number Publication date
NO132258B (en) 1975-06-30
GB1478896A (en) 1977-07-06
SE369134B (en) 1974-08-05
DE2430431B2 (en) 1975-09-04
CA987750A (en) 1976-04-20
NO132258C (en) 1975-10-08
NO742305L (en) 1975-01-20
JPS5038448A (en) 1975-04-09
FR2234694B1 (en) 1978-03-31
FR2234694A1 (en) 1975-01-17
DE2430431A1 (en) 1975-01-09

Similar Documents

Publication Publication Date Title
AU6939674A (en) Oscillator
SE407522B (en) WAY TO REDUCE THE IRRITANCE OF ICE
IT1030818B (en) RECIVITOR FOR FREQUENCY MODULATED RF SIGNALS
IT975894B (en) FREQUENCY MODULATED TELEMENTER
FR2294585A1 (en) FREQUENCY SYNTHESIZER
IT1015189B (en) FREQUENCY MODULATION RADIOR RECEIVER WIDTH MODULATION
FR2277460A1 (en) VARIABLE FREQUENCY OSCILLATOR
NL7415768A (en) VARIABLE FREQUENCY OSCILLATOR.
SE395089B (en) FREQUENCY CONVERTER
BE835311A (en) FREQUENCY MODULATOR
BE758491A (en) FREQUENCY MODULATION TRANSMITTER
IT1012987B (en) VERY VERY CONSUMPTION QUARTZ OSCILLATOR
BE760009A (en) HIGH FREQUENCY OSCILLATOR
DK141859C (en) CONNECTION TO FREQUENCY DIFFERENTIAL PHASE MODULATION
IT1025781B (en) CIRCUITAL ARRANGEMENT TO DEMODULATE A MIXTURE OF SIGNALS WITH DIFFERENTIAL PHASE MODULATION IN FREQUENCY
NO140804C (en) MODULATION GENERATOR
IT1015324B (en) ARRANGEMENT TO IMPROVE THE LI MEARITY OF A FREQUENCY MODULATED OSCILLATOR
SE387773B (en) WAY TO PRODUCE A CATHOD OF A III / V SEMI-LEADER ASSOCIATION
BE798128A (en) HIGH FREQUENCY VIBRATOR
SE398027B (en) FREQUENCY FORJONIZER
IT1017173B (en) ARRANGEMENT TO KEEP THE FREQUENCY OF A CRYSTAL IN VIBRATION CONSTANTLY
BE823551A (en) PHASE MODULATOR
IT1025230B (en) CIRCLITAL ARRANGEMENT TO ADJUST THE PHASE OF A TIMING SIGNAL
IT1039547B (en) HYPERFREQUENCY PHASE MODULATOR
YU285871A (en) Arrangement for regulating the frequency of a mainly frequency modulated freely oscillating oscillator