IT1303868B1 - Metodo e circuito per trasferire la modulazione angolare di un segnalea frequenza intermedia ad una portante a microonde utilizzando un pll - Google Patents

Metodo e circuito per trasferire la modulazione angolare di un segnalea frequenza intermedia ad una portante a microonde utilizzando un pll

Info

Publication number
IT1303868B1
IT1303868B1 IT1998MI002553A ITMI982553A IT1303868B1 IT 1303868 B1 IT1303868 B1 IT 1303868B1 IT 1998MI002553 A IT1998MI002553 A IT 1998MI002553A IT MI982553 A ITMI982553 A IT MI982553A IT 1303868 B1 IT1303868 B1 IT 1303868B1
Authority
IT
Italy
Prior art keywords
pll
transfer
circuit
frequency signal
intermediate frequency
Prior art date
Application number
IT1998MI002553A
Other languages
English (en)
Inventor
Carlo Buoli
Gianluigi Falasco
Paolo Micheli
Original Assignee
Italtel Spa
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 Italtel Spa filed Critical Italtel Spa
Priority to IT1998MI002553A priority Critical patent/IT1303868B1/it
Priority to DE69906137T priority patent/DE69906137T2/de
Priority to PCT/EP1999/009160 priority patent/WO2000048318A1/en
Priority to JP2000599137A priority patent/JP2002537670A/ja
Priority to EP99973597A priority patent/EP1142121B1/en
Priority to US09/831,563 priority patent/US6597247B1/en
Publication of ITMI982553A1 publication Critical patent/ITMI982553A1/it
Application granted granted Critical
Publication of IT1303868B1 publication Critical patent/IT1303868B1/it
Priority to NO20012530A priority patent/NO332660B1/no

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
IT1998MI002553A 1998-11-25 1998-11-25 Metodo e circuito per trasferire la modulazione angolare di un segnalea frequenza intermedia ad una portante a microonde utilizzando un pll IT1303868B1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT1998MI002553A IT1303868B1 (it) 1998-11-25 1998-11-25 Metodo e circuito per trasferire la modulazione angolare di un segnalea frequenza intermedia ad una portante a microonde utilizzando un pll
DE69906137T DE69906137T2 (de) 1998-11-25 1999-11-23 Schaltung zur frequenzmultiplikation eines winkel-modulierten signals unter verwendung einer phasenregelschleife und verfahren
PCT/EP1999/009160 WO2000048318A1 (en) 1998-11-25 1999-11-23 Circuit for the frequency multiplication of an angle modulated signal using a pll and method
JP2000599137A JP2002537670A (ja) 1998-11-25 1999-11-23 Ｐｌｌを用いて角度変調した信号を周波数多重する回路及び方法
EP99973597A EP1142121B1 (en) 1998-11-25 1999-11-23 Circuit for the frequency multiplication of an angle modulated signal using a pll and method
US09/831,563 US6597247B1 (en) 1998-11-25 1999-11-23 Circuit for the frequency multiplication of an angle modulated signal using a PLL and method
NO20012530A NO332660B1 (no) 1998-11-25 2001-05-23 Krets for frekvensmultiplikasjon av et vinkelmodulert signal ved bruk av en PLL og fremgangsmate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998MI002553A IT1303868B1 (it) 1998-11-25 1998-11-25 Metodo e circuito per trasferire la modulazione angolare di un segnalea frequenza intermedia ad una portante a microonde utilizzando un pll

Publications (2)

Publication Number Publication Date
ITMI982553A1 ITMI982553A1 (it) 2000-05-25
IT1303868B1 true IT1303868B1 (it) 2001-03-01

Family

ID=11381131

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998MI002553A IT1303868B1 (it) 1998-11-25 1998-11-25 Metodo e circuito per trasferire la modulazione angolare di un segnalea frequenza intermedia ad una portante a microonde utilizzando un pll

Country Status (7)

Country Link
US (1) US6597247B1 (it)
EP (1) EP1142121B1 (it)
JP (1) JP2002537670A (it)
DE (1) DE69906137T2 (it)
IT (1) IT1303868B1 (it)
NO (1) NO332660B1 (it)
WO (1) WO2000048318A1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050194960A1 (en) * 2004-03-04 2005-09-08 Reza Tayrani Broadband subharmonic sampling phase detector
US8081042B2 (en) * 2009-05-19 2011-12-20 Nokia Corporation Apparatus, method and computer program
CN109795269B (zh) * 2019-03-13 2021-04-06 深圳市元征科技股份有限公司 一种低频信号调节方法及装置
CN114448761B (zh) * 2022-04-11 2022-06-21 天津讯联科技有限公司 调制指数自适应的多符号检测解调装置及其解调方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL71718A (en) * 1984-05-01 1990-01-18 Tadiran Ltd Millimeter wave frequency synthesizer
US5374903A (en) 1988-04-22 1994-12-20 Hughes Aircraft Company Generation of wideband linear frequency modulation signals
FR2680615B1 (fr) 1991-08-23 1994-03-25 Alcatel Radiotelephone Synthetiseur de frequence pourvu d'une entree de modulation.
JP2933472B2 (ja) 1993-10-04 1999-08-16 日本電気アイシーマイコンシステム株式会社 位相同期回路
US5703539A (en) 1993-12-17 1997-12-30 Motorola, Inc. Apparatus and method for controlling the loop bandwidth of a phase locked loop
US5703538A (en) 1996-09-18 1997-12-30 Hughes Electronics Radar exciter local oscillator phase lock acquisition control circuit

Also Published As

Publication number Publication date
EP1142121B1 (en) 2003-03-19
DE69906137T2 (de) 2003-11-20
US6597247B1 (en) 2003-07-22
EP1142121A1 (en) 2001-10-10
NO20012530L (no) 2001-05-23
ITMI982553A1 (it) 2000-05-25
DE69906137D1 (de) 2003-04-24
NO332660B1 (no) 2012-11-26
NO20012530D0 (no) 2001-05-23
JP2002537670A (ja) 2002-11-05
WO2000048318A1 (en) 2000-08-17

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