KR20040039715A - 프리스케일러를 포함하는 위상 제어 루프 회로 - Google Patents
프리스케일러를 포함하는 위상 제어 루프 회로 Download PDFInfo
- Publication number
- KR20040039715A KR20040039715A KR1020020067861A KR20020067861A KR20040039715A KR 20040039715 A KR20040039715 A KR 20040039715A KR 1020020067861 A KR1020020067861 A KR 1020020067861A KR 20020067861 A KR20020067861 A KR 20020067861A KR 20040039715 A KR20040039715 A KR 20040039715A
- Authority
- KR
- South Korea
- Prior art keywords
- prescaler
- frequency
- counter
- output
- voltage controlled
- Prior art date
Links
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 12
- 238000012937 correction Methods 0.000 abstract description 3
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- 229920000729 poly(L-lysine) polymer Polymers 0.000 description 21
- 238000010586 diagram Methods 0.000 description 10
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- 101100508840 Daucus carota INV3 gene Proteins 0.000 description 5
- HCUOEKSZWPGJIM-YBRHCDHNSA-N (e,2e)-2-hydroxyimino-6-methoxy-4-methyl-5-nitrohex-3-enamide Chemical compound COCC([N+]([O-])=O)\C(C)=C\C(=N/O)\C(N)=O HCUOEKSZWPGJIM-YBRHCDHNSA-N 0.000 description 4
- 101001109689 Homo sapiens Nuclear receptor subfamily 4 group A member 3 Proteins 0.000 description 4
- 101000598778 Homo sapiens Protein OSCP1 Proteins 0.000 description 4
- 101001067395 Mus musculus Phospholipid scramblase 1 Proteins 0.000 description 4
- 102100022673 Nuclear receptor subfamily 4 group A member 3 Human genes 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- MZAGXDHQGXUDDX-JSRXJHBZSA-N (e,2z)-4-ethyl-2-hydroxyimino-5-nitrohex-3-enamide Chemical compound [O-][N+](=O)C(C)C(/CC)=C/C(=N/O)/C(N)=O MZAGXDHQGXUDDX-JSRXJHBZSA-N 0.000 description 3
- 101150110971 CIN7 gene Proteins 0.000 description 3
- 101100286980 Daucus carota INV2 gene Proteins 0.000 description 3
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- KIWSYRHAAPLJFJ-DNZSEPECSA-N n-[(e,2z)-4-ethyl-2-hydroxyimino-5-nitrohex-3-enyl]pyridine-3-carboxamide Chemical compound [O-][N+](=O)C(C)C(/CC)=C/C(=N/O)/CNC(=O)C1=CC=CN=C1 KIWSYRHAAPLJFJ-DNZSEPECSA-N 0.000 description 2
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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
- H03L7/08—Details of the phase-locked 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
- H03L7/183—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
- H03L7/187—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 using means for coarse tuning the voltage controlled oscillator of 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
- H03L7/183—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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Standards | Fref | Ntotal | A | N | A(bin) | N(bin) | 제어 비트(CB) |
GSM | 13 | 88 | 0 | 11 | 0000 | 01011 | 00110 |
89 | 1 | 11 | 0001 | 01011 | 00101 | ||
90 | 2 | 11 | 0010 | 01011 | 00100 | ||
91 | 3 | 11 | 0011 | 01011 | 00011 | ||
92 | 4 | 11 | 0100 | 01011 | 00010 | ||
93 | 5 | 11 | 0101 | 01011 | 00001 | ||
94 | 6 | 11 | 0110 | 01011 | 00000 | ||
AMPS/IS-95A/C | 9.84 | 96 | 0 | 12 | 0000 | 01100 | 11001 |
97 | 1 | 12 | 0001 | 01100 | 11000 | ||
98 | 2 | 12 | 0010 | 01100 | 10000 | ||
99 | 3 | 12 | 0011 | 01100 | 01000 |
Claims (4)
- 외부 클럭 신호의 기준 주파수와 비교 클럭 신호의 비교 주파수를 비교하는 위상 비교 수단;상기 위상 비교 수단의 출력을 필터링하는 여파기;상기 여파기의 직류 신호에 비례하는 주파수의 클럭신호를 발생하는 전압제어발진기;상기 전압제어발진기의 출력 클럭신호를 적어도 두 개이상의 분주비로 선택적으로 분주하는 프리스케일러;상기 프리스케일러의 출력을 소정의 분주비로 분주하여 상기 비교 주파수를 갖는 상기 비교 클럭 신호를 출력하는 프로그램 카운터;상기 프리스케일러의 분주비를 제어하는 스왈로 카운터; 및상기 프리스케일러의 설정값, 스왈로 카운터의 설정값 및 상기 프로그램 카운터의 설정값을 이용하여 상기 전압제어발진기의 주파수 구분을 제어하는 제어 비트를 출력하는 제어수단을 포함하는 것을 특징으로 하는 프리스케일러를 포함하는 위상 제어 루프 회로.
- 제 1 항에 있어서,상기 스왈로 카운터가 동작 중에는 상기 프리스케일러의 분주비가 상기 두 개 이상의 분주비 중에서 큰 분주비로 분주되도록 세트되는 것을 특징으로 하는 프리스케일러를 포함하는 위상 제어 루프 회로.
- 제 2 항에 있어서,상기 스왈로 카운터가 설정값만큼의 펄스를 카운트하면 상기 프리스케일러의 분주비는 상기 두 개 이상의 분주비 중에서 작은 분주비로 분주되도록 세트되는 것을 특징으로 하는 프리스케일러를 포함하는 위상 제어 루프 회로.
- 제 2 항에 있어서,상기 제어수단은,상기 프리스케일러의 설정값이 설정된 상태에서, 상기 전압제어발진기의 전압 이득을 결정하여, 출력 비트 수를 결정하고, 그 해당하는 주파수의 전체 카운터 설정값을 결정하고, 그 전체 카운터 설정값에 해당하는 상기 스왈로 카운터의 설정값 및 상기 프로그램 카운터의 설정값을 결정하여, 상기 결정된 출력 비트 수, 전체 카운터 설정값, 상기 스왈로 카운터의 설정값 및 상기 프로그램 카운터의 설정값을 이용하여 설계되는 디코더인 것을 특징으로 하는 프리스케일러를 포함하는 위상 제어 루프 회로.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0067861A KR100492690B1 (ko) | 2002-11-04 | 2002-11-04 | 프리스케일러를 포함하는 위상 제어 루프 회로 |
US10/603,383 US6956440B2 (en) | 2002-11-04 | 2003-06-25 | PLL having a controller for dividing values of a VCO |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0067861A KR100492690B1 (ko) | 2002-11-04 | 2002-11-04 | 프리스케일러를 포함하는 위상 제어 루프 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040039715A true KR20040039715A (ko) | 2004-05-12 |
KR100492690B1 KR100492690B1 (ko) | 2005-06-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2002-0067861A KR100492690B1 (ko) | 2002-11-04 | 2002-11-04 | 프리스케일러를 포함하는 위상 제어 루프 회로 |
Country Status (2)
Country | Link |
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US (1) | US6956440B2 (ko) |
KR (1) | KR100492690B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100810501B1 (ko) * | 2005-12-08 | 2008-03-07 | 한국전자통신연구원 | 광대역 다중모드 주파수 합성기 및 가변 분주기 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US7155176B2 (en) * | 2004-04-08 | 2006-12-26 | Skyworks Solutions, Inc. | System for synchronizing a portable transceiver to a network |
US7336755B1 (en) * | 2004-06-08 | 2008-02-26 | Xilinx, Inc. | PLL with low phase noise non-integer divider |
KR100666475B1 (ko) * | 2004-07-22 | 2007-01-09 | 삼성전자주식회사 | 고속 듀얼 모듈러스 프리스케일러를 구비한 분주기 및분주 방법 |
KR100930402B1 (ko) * | 2007-10-09 | 2009-12-08 | 주식회사 하이닉스반도체 | 데이터 중계 장치 및 이를 포함하는 반도체 집적 회로 |
EP2187524A1 (en) * | 2008-11-14 | 2010-05-19 | Fujitsu Microelectronics Limited | Phase detector circuitry |
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JP2892709B2 (ja) | 1989-10-19 | 1999-05-17 | 日本無線株式会社 | スリップ位相制御pll |
US5045813A (en) * | 1989-10-19 | 1991-09-03 | Nihon Musen Kabushiki Kaisha | Slip phase control PLL |
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US5701598A (en) | 1990-09-14 | 1997-12-23 | Atkinson; Noel D. | Scanning receiver with direct digital frequency synthesis and digital signal processing |
JPH06104750A (ja) | 1992-09-21 | 1994-04-15 | Hitachi Ltd | ビット数低減回路及びそれを用いた周波数シンセサイザー |
KR0123408B1 (ko) | 1994-09-15 | 1997-11-11 | 차기철 | 생체전기 임피던스법을 이용한 인체 성분 분석 장치 및 그 분석 방법 |
US6094100A (en) * | 1996-05-20 | 2000-07-25 | Sony Corporation | PLL synthesizer apparatus |
JP4015232B2 (ja) * | 1997-07-25 | 2007-11-28 | 富士通株式会社 | プリスケーラ、分周器及びpll回路 |
US6137372A (en) | 1998-05-29 | 2000-10-24 | Silicon Laboratories Inc. | Method and apparatus for providing coarse and fine tuning control for synthesizing high-frequency signals for wireless communications |
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US6304146B1 (en) | 1998-05-29 | 2001-10-16 | Silicon Laboratories, Inc. | Method and apparatus for synthesizing dual band high-frequency signals for wireless communications |
US6424192B1 (en) | 1998-07-24 | 2002-07-23 | Gct Semiconductor, Inc. | Phase lock loop (PLL) apparatus and method |
JP2000357966A (ja) | 1999-06-14 | 2000-12-26 | Toshiba Corp | 周波数シンセサイザ |
KR100346839B1 (ko) * | 2000-10-10 | 2002-08-03 | 삼성전자 주식회사 | 시그마-델타 변조기를 이용한 분수-n 주파수 합성 장치및 그 방법 |
-
2002
- 2002-11-04 KR KR10-2002-0067861A patent/KR100492690B1/ko active IP Right Grant
-
2003
- 2003-06-25 US US10/603,383 patent/US6956440B2/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100810501B1 (ko) * | 2005-12-08 | 2008-03-07 | 한국전자통신연구원 | 광대역 다중모드 주파수 합성기 및 가변 분주기 |
US7511581B2 (en) | 2005-12-08 | 2009-03-31 | Electronics And Telecommunications Research Institute | Wide-band multimode frequency synthesizer and variable frequency divider |
Also Published As
Publication number | Publication date |
---|---|
US20040085139A1 (en) | 2004-05-06 |
US6956440B2 (en) | 2005-10-18 |
KR100492690B1 (ko) | 2005-06-07 |
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