KR100362879B1 - 고속위상 고착을 위한 위상동기루프 제어회로 - Google Patents
고속위상 고착을 위한 위상동기루프 제어회로 Download PDFInfo
- Publication number
- KR100362879B1 KR100362879B1 KR1020010007535A KR20010007535A KR100362879B1 KR 100362879 B1 KR100362879 B1 KR 100362879B1 KR 1020010007535 A KR1020010007535 A KR 1020010007535A KR 20010007535 A KR20010007535 A KR 20010007535A KR 100362879 B1 KR100362879 B1 KR 100362879B1
- Authority
- KR
- South Korea
- Prior art keywords
- phase
- signal
- frequency
- controlled oscillator
- voltage controlled
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 1
Classifications
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- 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
-
- 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
- H03L7/16—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
- H03L7/189—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 comprising a D/A converter for generating a coarse tuning voltage
-
- 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
- H03L7/1972—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 reducing the locking time interval
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (3)
- 일정한 주파수와 위상을 가지는 두 개의 신호의 인가시에 그 위상을 비교하여 위상차를 가지는 비교신호를 출력하는 위상비교부와; 상기 비교신호의 일정한 주파수 대역만을 통과시켜 증폭하는 필터부와; 상기 필터부를 통한 비교신호의 주파수와 위상차에 따른 전압을 발생시켜 일정한 주파수의 신호를 생성하는 전압제어발진부와; 상기 전압제어발진부에서 발생되는 주파수의 신호를 일정한 정수값으로 분주하여 상기 위상비교부로 인가하는 주파수분주부와; 상기 필터부에 구성되어 동작시에 상기 필터부의 신호필터링을 차단하는 스위칭부와; 상기 스위치의 동작시 필터부로 상기 전압제어발진부의 동조값을 가지는 디지털 신호를 아날로그 신호로 변환시켜 인가하는 디지털-아날로그 변환기와; 상기 스위치로 제어신호를 전송하여 스위치를 동작시키는 동시에 상기 디지털-아날로그 변환기로 상기 전압제어발진부의 동조값을 가지는 디지털 신호를 전송하는 제어부로 구성된 것을 특징으로 하는 고속위상 고착을 위한 위상동기루프 제어회로.
- 제 1 항에 있어서,상기 필터부는 신호를 필터링하는 제1 연산증폭기와, 신호를 증폭하는 제2 연산증폭기로 구성된 것을 특징으로 하는 고속위상 고착을 위한 위상동기루프 제어회로.
- 제 1 항 또는 제 2 항에 있어서,상기 디지털-아날로그 변환기는 상기 능동필터부 제2 연산증폭기의 입력단자에 연결된 것을 특징으로 하는 고속위상 고착을 위한 위상동기루프 제어회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010007535A KR100362879B1 (ko) | 2001-02-15 | 2001-02-15 | 고속위상 고착을 위한 위상동기루프 제어회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010007535A KR100362879B1 (ko) | 2001-02-15 | 2001-02-15 | 고속위상 고착을 위한 위상동기루프 제어회로 |
Publications (2)
Publication Number | Publication Date |
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KR20020067137A KR20020067137A (ko) | 2002-08-22 |
KR100362879B1 true KR100362879B1 (ko) | 2002-11-29 |
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Family Applications (1)
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KR1020010007535A KR100362879B1 (ko) | 2001-02-15 | 2001-02-15 | 고속위상 고착을 위한 위상동기루프 제어회로 |
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KR (1) | KR100362879B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100531469B1 (ko) | 2003-01-09 | 2005-11-28 | 주식회사 하이닉스반도체 | 지연고정 정보저장부를 구비한 아날로그 지연고정루프 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5334952A (en) * | 1993-03-29 | 1994-08-02 | Spectralink Corporation | Fast settling phase locked loop |
JPH0795069A (ja) * | 1993-09-20 | 1995-04-07 | Fujitsu Ltd | 高速ロックアップ制御付きpllシンセサイザ |
KR970055566A (ko) * | 1995-12-29 | 1997-07-31 | 김광호 | 위상동기시간의 개선을 위한 위상동기루프 |
KR970078025A (ko) * | 1996-05-08 | 1997-12-12 | 문정환 | 로킹속도를 개선한 피엘엘 회로 |
JPH10145229A (ja) * | 1996-11-08 | 1998-05-29 | Matsushita Electric Ind Co Ltd | Pllシンセサイザ |
-
2001
- 2001-02-15 KR KR1020010007535A patent/KR100362879B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5334952A (en) * | 1993-03-29 | 1994-08-02 | Spectralink Corporation | Fast settling phase locked loop |
JPH0795069A (ja) * | 1993-09-20 | 1995-04-07 | Fujitsu Ltd | 高速ロックアップ制御付きpllシンセサイザ |
KR970055566A (ko) * | 1995-12-29 | 1997-07-31 | 김광호 | 위상동기시간의 개선을 위한 위상동기루프 |
KR970078025A (ko) * | 1996-05-08 | 1997-12-12 | 문정환 | 로킹속도를 개선한 피엘엘 회로 |
JPH10145229A (ja) * | 1996-11-08 | 1998-05-29 | Matsushita Electric Ind Co Ltd | Pllシンセサイザ |
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KR20020067137A (ko) | 2002-08-22 |
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