KR100302892B1 - 자기교정식분수지연요소를갖는지연선루프를지니는분수-엔위상동기루프 - Google Patents
자기교정식분수지연요소를갖는지연선루프를지니는분수-엔위상동기루프 Download PDFInfo
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- KR100302892B1 KR100302892B1 KR1019980033935A KR19980033935A KR100302892B1 KR 100302892 B1 KR100302892 B1 KR 100302892B1 KR 1019980033935 A KR1019980033935 A KR 1019980033935A KR 19980033935 A KR19980033935 A KR 19980033935A KR 100302892 B1 KR100302892 B1 KR 100302892B1
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- dll
- delay
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- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000012935 Averaging Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229920000729 poly(L-lysine) polymer Polymers 0.000 description 2
- 101100067427 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FUS3 gene Proteins 0.000 description 1
- 101100015484 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GPA1 gene Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000737 periodic effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- 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
-
- 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
-
- 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
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
-
- 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
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector 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
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
- H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
- H03L7/0994—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising an accumulator
-
- 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
- H03L7/183—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 fixed numbers or the frequency divider dividing by a fixed number
- H03L7/193—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 fixed numbers or the frequency divider dividing by a fixed number the frequency divider/counter comprising a commutable pre-divider, e.g. a two modulus divider
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S331/00—Oscillators
- Y10S331/02—Phase locked loop having lock indicating or detecting means
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (5)
- (정정) 자기 교정식 분수 지연 요소를 갖는 지연선 루프(delay line loop; DLL)를 지니는 분수-N 위상 동기 루프(PLL)를 포함하는 장치에 있어서, PLL 피드백신호 위상을 갖는 PLL 피드백신호를 수신 및 이를 PLL 기준신호위상과 주파수를 갖는 PLL 기준신호와 비교하고, 이에 따라서 상기 PLL 피드백신호위상과 기준신호 위상간의 차를 나타내는 PLL 제어 신호를 제공하도록 구성된 PLL위상 비교 회로; 상기 PLL 제어 신호를 수신하고 이에 따라서 상기 PLL 기준신호 주파수의 M배인 PLL 출력 신호 주파수를 갖는 PLL 출력 신호를 제공하도록 구성된, 상기 PLL 위상 비교 회로에 연결된 발진기 회로; 및 상기 PLL 출력 신호를 수신 및 이를 N+F(N은 정수, F는 0과 1사이의 분수임)의 인자로 주파수 분할하고 이에 따라서 상기 PLL 피드백신호를 제공하도록 구성된, 상기 발진기 회로와 상기 PLL 위상 비교 회로 사이에 연결된 DLL 피드백 회로를 포함하며, 상기 DLL 피드백 회로는, 주파수 분할 제어 신호를 수신하고 이에 따라서 상기 PLL 출력 신호를 수신 및 이를 상기 N+F의 인자로 주파수 분할하고 이에 따라서 주파수 분할된 신호를 제공하도록 구성된, 상기 발진기 회로에 연졀된 DLL 주파수 분할 회로, 지연 제어 신호 및 상기 주파수 분할된 신호를 수신하고 이에 따라서 상기 주파수 분할 제어 신호, 상기 PLL 피드백신호 및 DLL 제어 신호를 제공하도록 구성된, 상기 DLL 주파수 분할 회로에 연결된 DLL 지연 회로로서, 상기 PLL 피드백신호는 상기 지연 제어 신호에 따른 시간 지연을 갖는 상기 주파수 분할된 신호에 대응하는 DLL 지연 회로, 및 상기 DLL 제어 신호를 수신하고 이에 따라서 상기 PLL 기준신호 및 상기 PLL 피드백신호를 수신 및 비교하고 이에 따라서 상기 지연 제어 신호를 제공하도록 상기 DLL 지연 회로에 연결된 DLL 위상 비교 회로를 포함하는 것을 특징으로 하는 장치.
- 제 1항에 있어서, 상기 PLL 위상 비교 회로는 위상 검출기를 포함하는 장치.
- 제 1항에 있어서, 상기 발진기 회로는 전압 제어 발진기를 포함하는 장치.
- 제 1항에 있어서, 상기 DLL 주파수 분할 회로는 2중 계수 프리스케일러 회로를 포함하는 장치.
- 제 1항에 있어서, 상기 DLL 지연 회로는 DLL 기준신호 및 상기 주파수 분할된 신호를 수신하고 이에 따라서 상기 PLL 피드백신호를 제공하도록 구성된 신호 지연 회로; 및 상기 지연 제어 신호 및 상기 주파수 분할된 신호를 수신하고 이에 따라서 상기 주파수 분할 제어 신호, 상기 DLL 기준신호 및 상기 DLL 제어 신호를 제공하도록 구성된, 상기 신호 지연 회로에 연결된 지연 제어 회로를 포함하는 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/977,308 | 1997-11-24 | ||
US08/977,308 US5907253A (en) | 1997-11-24 | 1997-11-24 | Fractional-N phase-lock loop with delay line loop having self-calibrating fractional delay element |
US8/977,308 | 1997-11-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990044799A KR19990044799A (ko) | 1999-06-25 |
KR100302892B1 true KR100302892B1 (ko) | 2001-11-22 |
Family
ID=25525012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980033935A Expired - Fee Related KR100302892B1 (ko) | 1997-11-24 | 1998-08-21 | 자기교정식분수지연요소를갖는지연선루프를지니는분수-엔위상동기루프 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5907253A (ko) |
KR (1) | KR100302892B1 (ko) |
DE (1) | DE19838096C2 (ko) |
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DE19714142C1 (de) * | 1997-04-05 | 1998-05-20 | Lucent Tech Network Sys Gmbh | Phasendetektor |
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KR100295052B1 (ko) | 1998-09-02 | 2001-07-12 | 윤종용 | 전압제어지연라인의단위지연기들의수를가변시킬수있는제어부를구비하는지연동기루프및이에대한제어방법 |
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JP2001076437A (ja) * | 1999-09-06 | 2001-03-23 | Victor Co Of Japan Ltd | クロック信号発生装置 |
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-
1997
- 1997-11-24 US US08/977,308 patent/US5907253A/en not_active Expired - Lifetime
-
1998
- 1998-08-21 KR KR1019980033935A patent/KR100302892B1/ko not_active Expired - Fee Related
- 1998-08-24 DE DE19838096A patent/DE19838096C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR19990044799A (ko) | 1999-06-25 |
DE19838096A1 (de) | 1999-06-02 |
DE19838096C2 (de) | 2001-02-01 |
US5907253A (en) | 1999-05-25 |
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