KR20020090753A - 위상 동기 루프에서의 위상 및 주파수 검출 회로 - Google Patents
위상 동기 루프에서의 위상 및 주파수 검출 회로 Download PDFInfo
- Publication number
- KR20020090753A KR20020090753A KR1020010029766A KR20010029766A KR20020090753A KR 20020090753 A KR20020090753 A KR 20020090753A KR 1020010029766 A KR1020010029766 A KR 1020010029766A KR 20010029766 A KR20010029766 A KR 20010029766A KR 20020090753 A KR20020090753 A KR 20020090753A
- Authority
- KR
- South Korea
- Prior art keywords
- phase
- gate
- detection circuit
- exclusive
- frequency detection
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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
- H03L7/08—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
- H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
- H03K19/21—EXCLUSIVE-OR circuits, i.e. giving output if input signal exists at only one input; COINCIDENCE circuits, i.e. giving output only if all input signals are identical
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (2)
- 위상 및 주파수 검출 회로가 구비된 위상 동기 루프에 있어서,상기 위상 및 주파수 검출 회로는 기준신호 입력단과 피드백 신호 입력단이 각각 일단에 연결되고, 타단에 리셋신호를 발생하는 제5 앤드 게이트의 출력단이 연결되는 제1 및 제2 익스클루시브 오어 게이트와,각각 업, 다운 출력단자에 연결되는 상기 제1 및 제2 익스클루시브 오어 게이트의 출력단이 입력단에 연결되고, 그의 출력단이 상기 제1 및 제2 익스클루시브 오어 게이트의 타측 입력단에 연결되는 제5 앤드 게이트로 구성됨을 특징으로 하는 위상 동기 루프에서의 위상 및 주파수 검출 회로.
- 제1항에 있어서,상기 제1 익스클루시브 오어 게이트는 제1, 제2 앤드게이트 및 제11 오어 게이트로 구성되고, 제2 익스클루시브 오어 게이트는 제3, 제4 앤드게이트 및 제12 오어 게이트로 구성됨을 특징으로 하는 위상 동기 루프에서의 위상 및 주파수 검출 회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010029766A KR20020090753A (ko) | 2001-05-29 | 2001-05-29 | 위상 동기 루프에서의 위상 및 주파수 검출 회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010029766A KR20020090753A (ko) | 2001-05-29 | 2001-05-29 | 위상 동기 루프에서의 위상 및 주파수 검출 회로 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20020090753A true KR20020090753A (ko) | 2002-12-05 |
Family
ID=27706935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010029766A Ceased KR20020090753A (ko) | 2001-05-29 | 2001-05-29 | 위상 동기 루프에서의 위상 및 주파수 검출 회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20020090753A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100806131B1 (ko) * | 2006-05-23 | 2008-02-22 | 삼성전자주식회사 | 패스트 락킹 위상 고정 루프 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR900011158A (ko) * | 1988-12-22 | 1990-07-11 | 재단법인 한국전자통신 연구소 | Nrz비트 동기방식의 주파수 및 위상검출회로 |
US5053649A (en) * | 1988-12-21 | 1991-10-01 | Ultra Network Technologies | Method and apparatus for high speed phase detection |
JP2000151396A (ja) * | 1998-11-06 | 2000-05-30 | Motorola Inc | 周波数ステアリングを伴う位相検出器 |
-
2001
- 2001-05-29 KR KR1020010029766A patent/KR20020090753A/ko not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5053649A (en) * | 1988-12-21 | 1991-10-01 | Ultra Network Technologies | Method and apparatus for high speed phase detection |
KR900011158A (ko) * | 1988-12-22 | 1990-07-11 | 재단법인 한국전자통신 연구소 | Nrz비트 동기방식의 주파수 및 위상검출회로 |
JP2000151396A (ja) * | 1998-11-06 | 2000-05-30 | Motorola Inc | 周波数ステアリングを伴う位相検出器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100806131B1 (ko) * | 2006-05-23 | 2008-02-22 | 삼성전자주식회사 | 패스트 락킹 위상 고정 루프 |
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Legal Events
Date | Code | Title | Description |
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20010529 |
|
N231 | Notification of change of applicant | ||
PN2301 | Change of applicant |
Patent event date: 20020823 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
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A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20060529 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20010529 Comment text: Patent Application |
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E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20070726 Patent event code: PE09021S01D |
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E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20071017 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20070726 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |