ES2071395T3 - Procedimiento para el control de un sistema de frecuencia dotado con una entrada de modulacion. - Google Patents

Procedimiento para el control de un sistema de frecuencia dotado con una entrada de modulacion.

Info

Publication number
ES2071395T3
ES2071395T3 ES92114066T ES92114066T ES2071395T3 ES 2071395 T3 ES2071395 T3 ES 2071395T3 ES 92114066 T ES92114066 T ES 92114066T ES 92114066 T ES92114066 T ES 92114066T ES 2071395 T3 ES2071395 T3 ES 2071395T3
Authority
ES
Spain
Prior art keywords
signal
lpn
control
control signal
procedure
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 - Lifetime
Application number
ES92114066T
Other languages
English (en)
Inventor
Barillec Roger Le
Gerard Bouisse
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.)
Alcatel CIT SA
Original Assignee
Alcatel Mobile Communication France 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 Mobile Communication France SA filed Critical Alcatel Mobile Communication France SA
Application granted granted Critical
Publication of ES2071395T3 publication Critical patent/ES2071395T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
    • 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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
    • 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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
    • H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Amplitude Modulation (AREA)

Abstract

EL SINTETIZADOR DE FRECUENCIA COMPRENDE UN OSCILADOR CONTROLADO POR TENSION (VCO) SEGUIDO DE UN BUCLE DE ENGANCHE DE FASE (PLL), SEGUIDO ESTE DE UN FILTRO DE PASO BAJO (LP1) QUE OFRECE UNA SEÑAL DE SERVIDUMBRE (A). EL OSCILADOR RECIBE COMO SEÑAL DE CONTROL UNA COMBINACION DE SEÑAL DE SERVIDUMBRE (A) Y UNA SEÑAL DE MODULACION APLICADA EN LA ENTRADA DE MODULACION (I), INCLUYENDO EL SINTETIZADOR AL MENOS UN FILTRO ADICIONAL (LP2,.....,LPN) Y MEDIOS PARA SUSTITUIR EL FILTRO ADICIONAL (LP2,.....,LPN) POR EL PRIMER FILTRO (LP1) EN RESPUESTA A UNA SEÑAL DE SELECCION. SE CARACTERIZA PORQUE LA SEÑAL DE SELECCION SE PRODUCE POR UN MODULO DE SELECCION (T) A PARTIR DE UNA SEÑAL DE IDENTIFICACION (J) QUE IDENTIFICA CUAL DE LOS FILTROS (LP1,.....,LPN) DEBE INTRODUCIRSE ENTRE EL BUCLE DE ENGANCHE DE FASE (PLL) Y EL OSCILADOR (VCO) EN FUNCION DE LA NATURALEZA DE LA SEÑAL DE MODULACION
ES92114066T 1991-08-23 1992-08-18 Procedimiento para el control de un sistema de frecuencia dotado con una entrada de modulacion. Expired - Lifetime ES2071395T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9110572A FR2680615B1 (fr) 1991-08-23 1991-08-23 Synthetiseur de frequence pourvu d'une entree de modulation.

Publications (1)

Publication Number Publication Date
ES2071395T3 true ES2071395T3 (es) 1995-06-16

Family

ID=9416369

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92114066T Expired - Lifetime ES2071395T3 (es) 1991-08-23 1992-08-18 Procedimiento para el control de un sistema de frecuencia dotado con una entrada de modulacion.

Country Status (6)

Country Link
EP (1) EP0531757B1 (es)
AT (1) ATE121240T1 (es)
DE (1) DE69202029T2 (es)
DK (1) DK0531757T3 (es)
ES (1) ES2071395T3 (es)
FR (1) FR2680615B1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1303868B1 (it) * 1998-11-25 2001-03-01 Italtel Spa Metodo e circuito per trasferire la modulazione angolare di un segnalea frequenza intermedia ad una portante a microonde utilizzando un pll
FR2894737B1 (fr) * 2005-12-13 2008-03-14 Cnes Epic Banc de test, simulateur et procede de simulation d'un bruit de phase.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516083A (en) * 1982-05-14 1985-05-07 Motorola, Inc. Fast lock PLL having out of lock detector control of loop filter and divider
US4748425A (en) * 1987-02-18 1988-05-31 Motorola, Inc. VCO range shift and modulation device
US4928075A (en) * 1989-06-26 1990-05-22 Digital Equipment Corporation Multiple bandwidth filter system for phase locked loop
DE3939709A1 (de) * 1989-12-01 1991-06-06 Bosch Gmbh Robert Verfahren zur abstimmung eines funksende- und/oder -empfangsgeraetes

Also Published As

Publication number Publication date
DE69202029T2 (de) 1995-08-24
ATE121240T1 (de) 1995-04-15
EP0531757B1 (fr) 1995-04-12
EP0531757A1 (fr) 1993-03-17
FR2680615B1 (fr) 1994-03-25
FR2680615A1 (fr) 1993-02-26
DE69202029D1 (de) 1995-05-18
DK0531757T3 (da) 1995-07-31

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