YU47487B - Razlomački-n-frekventni sintetizator - Google Patents

Razlomački-n-frekventni sintetizator

Info

Publication number
YU47487B
YU47487B YU112489A YU112489A YU47487B YU 47487 B YU47487 B YU 47487B YU 112489 A YU112489 A YU 112489A YU 112489 A YU112489 A YU 112489A YU 47487 B YU47487 B YU 47487B
Authority
YU
Yugoslavia
Prior art keywords
output
battery
frequency
divider
values
Prior art date
Application number
YU112489A
Other languages
English (en)
Other versions
YU112489A (sh
Inventor
F.L. Martin
Original Assignee
Motorola Inc.
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 Motorola Inc. filed Critical Motorola Inc.
Publication of YU112489A publication Critical patent/YU112489A/sh
Publication of YU47487B publication Critical patent/YU47487B/sh

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
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
    • H03L7/1976—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

RAZLOMAČKI-N-FREKVENTNI SINTETIZATOR, za dobijanje sintetizovane izlazne učestanosti fo, naznačen time, što sintetizatorska petlja obuhvata programabilni delitelj (16), kontrolu delitelja (17) koja obezbedjuje vrednosti deljenja za programabilni delitelj (16), kontrolu delitelja (17) koja obezbedjuje promenljive vrednosti razlomačkog deljenja za programabilni delitelj (16) da bi se proizvela željena izlazna učestanost fo, i obuhvata prvi i drugi akumulator (24, 25), pri čemu prvi akumulator (24) poseduje ulaz za prijem podataka, prvi izlaz za promenu vrednosti deljenja, i drugi izlaz za obezbedjivanje podataka za drugi akumulator (25), a drugi akumulator (25) poseduje ulaz povezan sa drugim izlazom prvog akumulatora (24) i izlazom za promenu vrednosti deljenja, a karakterisan je sa sredstvima (19) za obezbedjivanje vrednosti ofseta za bar jedan od prvog i drugog akumulatora (24, 25). Prijava sadrži još 4 zavisna zahteva.
YU112489A 1988-06-03 1989-06-01 Razlomački-n-frekventni sintetizator YU47487B (sh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/202,065 US4816774A (en) 1988-06-03 1988-06-03 Frequency synthesizer with spur compensation

Publications (2)

Publication Number Publication Date
YU112489A YU112489A (sh) 1993-05-28
YU47487B true YU47487B (sh) 1995-10-03

Family

ID=22748377

Family Applications (1)

Application Number Title Priority Date Filing Date
YU112489A YU47487B (sh) 1988-06-03 1989-06-01 Razlomački-n-frekventni sintetizator

Country Status (28)

Country Link
US (1) US4816774A (sh)
EP (1) EP0344509B1 (sh)
JP (1) JP2645525B2 (sh)
KR (1) KR0164592B1 (sh)
CN (1) CN1016660B (sh)
AR (1) AR246138A1 (sh)
AT (1) ATE104815T1 (sh)
AU (1) AU620110B2 (sh)
BR (1) BR8907360A (sh)
CA (1) CA1315363C (sh)
DD (1) DD283880A5 (sh)
DE (1) DE68914717T2 (sh)
DK (1) DK281690A (sh)
EG (1) EG19069A (sh)
ES (1) ES2051321T3 (sh)
FI (1) FI905875A0 (sh)
HK (1) HK72097A (sh)
HU (1) HU217392B (sh)
IE (1) IE65955B1 (sh)
IL (1) IL89833A (sh)
MX (1) MX164871B (sh)
MY (1) MY103991A (sh)
PH (1) PH26602A (sh)
PT (1) PT90641B (sh)
RU (1) RU2085031C1 (sh)
TR (1) TR24163A (sh)
WO (1) WO1989012362A1 (sh)
YU (1) YU47487B (sh)

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US5038117A (en) * 1990-01-23 1991-08-06 Hewlett-Packard Company Multiple-modulator fractional-N divider
US5065408A (en) * 1990-04-26 1991-11-12 Motorola, Inc. Fractional-division synthesizer for a voice/data communications systems
US5055800A (en) * 1990-04-30 1991-10-08 Motorola, Inc. Fractional n/m synthesis
US5055802A (en) * 1990-04-30 1991-10-08 Motorola, Inc. Multiaccumulator sigma-delta fractional-n synthesis
US5021754A (en) * 1990-07-16 1991-06-04 Motorola, Inc. Fractional-N synthesizer having modulation spur compensation
FR2748872B1 (fr) * 1990-08-21 1998-11-27 Thomson Trt Defense Synthetiseur de frequence a boucle a verrouillage de phase a division fractionnaire multiple
US5070310A (en) * 1990-08-31 1991-12-03 Motorola, Inc. Multiple latched accumulator fractional N synthesis
US5093632A (en) * 1990-08-31 1992-03-03 Motorola, Inc. Latched accumulator fractional n synthesis with residual error reduction
DE4028565A1 (de) * 1990-09-08 1992-03-12 Philips Patentverwaltung Oszillator mit phasenregelkreis
US5257294A (en) * 1990-11-13 1993-10-26 National Semiconductor Corporation Phase-locked loop circuit and method
US5111162A (en) * 1991-05-03 1992-05-05 Motorola, Inc. Digital frequency synthesizer having AFC and modulation applied to frequency divider
US5224132A (en) * 1992-01-17 1993-06-29 Sciteq Electronics, Inc. Programmable fractional-n frequency synthesizer
US5166642A (en) * 1992-02-18 1992-11-24 Motorola, Inc. Multiple accumulator fractional N synthesis with series recombination
US5469479A (en) * 1992-02-27 1995-11-21 Texas Instruments Incorporated Digital chirp synthesizer
US5307071A (en) * 1992-04-17 1994-04-26 Hughes Aircraft Company Low noise frequency synthesizer using half integer dividers and analog gain compensation
JPH06132816A (ja) * 1992-06-08 1994-05-13 Sony Tektronix Corp 位相ロックループ回路
US5371765A (en) * 1992-07-10 1994-12-06 Hewlett-Packard Company Binary phase accumulator for decimal frequency synthesis
FI923464A (fi) * 1992-07-31 1994-02-01 Nokia Mobile Phones Ltd Foerfarande och system foer alstring av frekvenser i en radiotelefon
US5331293A (en) * 1992-09-02 1994-07-19 Motorola, Inc. Compensated digital frequency synthesizer
US5305362A (en) * 1992-12-10 1994-04-19 Hewlett-Packard Company Spur reduction for multiple modulator based synthesis
US5337024A (en) * 1993-06-22 1994-08-09 Rockwell International Corporation Phase locked loop frequency modulator using fractional division
US5848355A (en) * 1993-07-07 1998-12-08 Motorola, Inc. Frequency synthesizer correction using a temperature responsive divisor control
US5495206A (en) * 1993-10-29 1996-02-27 Motorola, Inc. Fractional N frequency synthesis with residual error correction and method thereof
DE19534462C2 (de) * 1995-09-16 1999-08-26 Temic Semiconductor Gmbh Übertragungsverfahren
US5926515A (en) * 1995-12-26 1999-07-20 Samsung Electronics Co., Ltd. Phase locked loop for improving a phase locking time
US5684795A (en) * 1996-01-30 1997-11-04 Motorola, Inc. Method and apparatus for controlling a fractional-N synthesizer in a time division multiple access system
US5889436A (en) * 1996-11-01 1999-03-30 National Semiconductor Corporation Phase locked loop fractional pulse swallowing frequency synthesizer
US5777521A (en) * 1997-08-12 1998-07-07 Motorola Inc. Parallel accumulator fractional-n frequency synthesizer
US6141394A (en) * 1997-12-22 2000-10-31 Philips Electronics North America Corporation Fractional-N frequency synthesizer with jitter compensation
US6219397B1 (en) * 1998-03-20 2001-04-17 Samsung Electronics Co., Ltd. Low phase noise CMOS fractional-N frequency synthesizer for wireless communications
US6321074B1 (en) * 1999-02-18 2001-11-20 Itron, Inc. Apparatus and method for reducing oscillator frequency pulling during AM modulation
JP2000341165A (ja) * 1999-05-25 2000-12-08 Matsushita Electric Ind Co Ltd 通信装置、通信方法および記録媒体
FR2796792B1 (fr) * 1999-07-22 2001-10-12 Cit Alcatel Dispositif d'emission radioelectrique
US6278333B1 (en) 2000-02-29 2001-08-21 Motorola, Inc. Phase lock loop with dual state charge pump and method of operating the same
JP2001298363A (ja) * 2000-04-17 2001-10-26 Matsushita Electric Ind Co Ltd 周波数シンセサイザ装置とそれを用いた移動無線機
GB0021800D0 (en) * 2000-09-05 2000-10-18 Nokia Networks Oy Fractional-n Frequency Synthesiser
US7027397B1 (en) * 2001-02-15 2006-04-11 Cisco Technology, Inc. Method and apparatus for accumulating and distributing traffic and flow control information in a packet switching system
US8385476B2 (en) 2001-04-25 2013-02-26 Texas Instruments Incorporated Digital phase locked loop
EP1397772B1 (en) * 2001-06-15 2006-11-02 Analog Devices, Incorporated A variable modulus interpolator, and a variable frequency synthesiser incorporating the variable modulus interpolator
US20030139169A1 (en) * 2002-01-18 2003-07-24 Gregory Arreazola Combination insulated container and entertainment center
JP2004104228A (ja) 2002-09-05 2004-04-02 Matsushita Electric Ind Co Ltd 信号処理装置および信号処理方法、デルタ・シグマ変調型分数分周ｐｌｌ周波数シンセサイザ、無線通信機器、デルタ・シグマ変調型ｄ／ａ変換器
US7071787B2 (en) * 2002-11-22 2006-07-04 Tektronix, Inc. Method and apparatus for the reduction of phase noise
CN1988426B (zh) * 2005-12-23 2010-09-01 中兴通讯股份有限公司 一种用于光转发板上的参考时钟发送电路及方法
US7929929B2 (en) * 2007-09-25 2011-04-19 Motorola Solutions, Inc. Method and apparatus for spur reduction in a frequency synthesizer
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DE102011053121B4 (de) 2011-08-30 2016-02-04 Imst Gmbh Erweiterte Delta-Sigma-Tau-Modulatorschaltung für eine Fraktional-N-PLL-Frequenzsynthesizer-Schaltung
DE102011120769B4 (de) 2011-12-10 2018-09-20 Imst Gmbh Synchron modulierte voll-digitale Delta-Sigma-Modulatorschaltung
DE202011108969U1 (de) 2011-12-10 2012-02-02 Imst Gmbh Synchron modulierte volldigitale Delta-Sigma-Modulatorschaltung
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RU2701050C1 (ru) * 2019-05-30 2019-09-24 Федеральное государственное бюджетное образовательное учреждение высшего образования "Поволжский государственный технологический университет" Цифровой синтезатор фазоманипулированных сигналов

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Also Published As

Publication number Publication date
CN1016660B (zh) 1992-05-13
IE891752L (en) 1989-12-03
PH26602A (en) 1992-08-19
RU2085031C1 (ru) 1997-07-20
DE68914717D1 (de) 1994-05-26
WO1989012362A1 (en) 1989-12-14
AU3741089A (en) 1990-01-05
FI905875A0 (fi) 1990-11-28
EP0344509B1 (en) 1994-04-20
EP0344509A3 (en) 1990-07-18
DE68914717T2 (de) 1994-10-20
IL89833A (en) 1992-07-15
US4816774A (en) 1989-03-28
HU893407D0 (en) 1991-09-30
CA1315363C (en) 1993-03-30
KR900702661A (ko) 1990-12-08
MY103991A (en) 1993-10-30
EP0344509A2 (en) 1989-12-06
EG19069A (en) 1994-07-30
DD283880A5 (de) 1990-10-24
TR24163A (tr) 1991-04-26
HUT57494A (en) 1991-11-28
PT90641B (pt) 1994-02-28
BR8907360A (pt) 1991-03-26
DK281690D0 (da) 1990-11-27
ES2051321T3 (es) 1994-06-16
IL89833A0 (en) 1989-12-15
HK72097A (en) 1997-06-06
JPH03504790A (ja) 1991-10-17
MX164871B (es) 1992-09-29
CN1040119A (zh) 1990-02-28
AR246138A1 (es) 1994-03-30
JP2645525B2 (ja) 1997-08-25
IE65955B1 (en) 1995-11-29
PT90641A (pt) 1989-12-29
ATE104815T1 (de) 1994-05-15
AU620110B2 (en) 1992-02-13
KR0164592B1 (ko) 1999-03-20
DK281690A (da) 1990-11-27
YU112489A (sh) 1993-05-28
HU217392B (hu) 2000-01-28

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