IT8119144A0 - Procedimento e dispositivo perl'ottenimento di un segnale elettrico a frequenza variabile linearmente in una larga banda. - Google Patents

Procedimento e dispositivo perl'ottenimento di un segnale elettrico a frequenza variabile linearmente in una larga banda.

Info

Publication number
IT8119144A0
IT8119144A0 IT8119144A IT1914481A IT8119144A0 IT 8119144 A0 IT8119144 A0 IT 8119144A0 IT 8119144 A IT8119144 A IT 8119144A IT 1914481 A IT1914481 A IT 1914481A IT 8119144 A0 IT8119144 A0 IT 8119144A0
Authority
IT
Italy
Prior art keywords
procedure
obtaining
electric signal
variable frequency
wide band
Prior art date
Application number
IT8119144A
Other languages
English (en)
Inventor
Jacques Marie
Michel Sirven
Robert Casse
Original Assignee
Dassault Electronique
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 Dassault Electronique filed Critical Dassault Electronique
Publication of IT8119144A0 publication Critical patent/IT8119144A0/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • 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
    • H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • 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
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0092—Measures to linearise or reduce distortion of oscillator characteristics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
IT8119144A 1980-01-17 1981-01-15 Procedimento e dispositivo perl'ottenimento di un segnale elettrico a frequenza variabile linearmente in una larga banda. IT8119144A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8000955A FR2738420A1 (fr) 1980-01-17 1980-01-17 Procede et dispositif d'obtention d'un signal electrique de frequence variable lineairement dans une large plage

Publications (1)

Publication Number Publication Date
IT8119144A0 true IT8119144A0 (it) 1981-01-15

Family

ID=9237604

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8119144A IT8119144A0 (it) 1980-01-17 1981-01-15 Procedimento e dispositivo perl'ottenimento di un segnale elettrico a frequenza variabile linearmente in una larga banda.

Country Status (3)

Country Link
FR (1) FR2738420A1 (it)
GB (1) GB8101272D0 (it)
IT (1) IT8119144A0 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4164301B2 (ja) * 2002-07-16 2008-10-15 株式会社日立製作所 多周波ｐｌｌ発振器及びそれを用いた多周波ｃｗレーダ

Also Published As

Publication number Publication date
GB8101272D0 (en) 2009-04-15
FR2738420A1 (fr) 1997-03-07

Similar Documents

Publication Publication Date Title
JPS52123670A (en) Digital frequency measuring device
JPS5497064A (en) Sound wave device
JPS52141093A (en) Low frequency curing device
IT1105361B (it) Dispositivo trasduttore elettro-acustico reversibile a caratteristica di direttivita' costante in una larga banda di frequenze
IT1115280B (it) Molitplicatore di frequenza a larga banda e sua applicazione
DE2963493D1 (en) An output section for a microwave amplifier, a microwave amplifier and a circuit for use in a microwave amplifier
JPS56153923A (en) Digital frequency repeating device
JPS5345267A (en) Wound wave distance measuring apparatus and camera using same
MX149999A (es) Mejoras en filtros electricos con transferencia selectiva y ajustable de banda
PH16965A (en) Extended low frequency range pulsation attenuator
DE3162928D1 (en) Magnetostatic volume wave device
IT8119144A0 (it) Procedimento e dispositivo perl'ottenimento di un segnale elettrico a frequenza variabile linearmente in una larga banda.
IT1086946B (it) Disposizione circuitale per analizzare in frequenza segnali ricevuti in una larga banda di frequenza totale
IT8121559A0 (it) Dispositivo di misura della frequenza di una corrente elettrica rappresentativa di una grandezza variabile.
JPS5356467A (en) Power transmitting and relieving device
IT8619595A1 (it) Amplificatore a banda larga comprendente un dispositivo circuitale per migliorare la risposta in frequenza
JPS52137186A (en) Low frequency curing device software output circuit
JPS5342483A (en) Low frequency pulse curing device
JPS5290976A (en) Frequency adjusting device
JPS52139294A (en) Low frequency curing device software output circuit
JPS55153996A (en) Voice output type electronic device
JPS5287072A (en) Frequency counting device
JPS5686295A (en) Silencer for low frequency and ultraalow frequency
JPS5486258A (en) Digital frequency dividing method and device
BE882846A (nl) Frequentie-omzettende inrichting