KR100536937B1 - 주파수 합성기 - Google Patents
주파수 합성기 Download PDFInfo
- Publication number
- KR100536937B1 KR100536937B1 KR10-2003-0053329A KR20030053329A KR100536937B1 KR 100536937 B1 KR100536937 B1 KR 100536937B1 KR 20030053329 A KR20030053329 A KR 20030053329A KR 100536937 B1 KR100536937 B1 KR 100536937B1
- Authority
- KR
- South Korea
- Prior art keywords
- frequency
- signal
- delay
- voltage controlled
- input signal
- Prior art date
Links
- 238000004891 communication Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012827 research and development 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
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or 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
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
- H03L7/0995—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
- H03L2207/12—Indirect frequency synthesis using a mixer in the phase-locked loop
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (5)
- 삭제
- 삭제
- 삭제
- 삭제
- 입력 신호와 궤환 신호의 위상차를 검출하는 위상 검출기;상기 위상 검출기에 의해 검출된 위상차에 근거하여 제어 신호를 출력하는 루프 필터;상기 제어 신호에 따라 상기 입력 신호의 지연율을 가변시켜 상기 위상 검출기로 궤환시키는 전압 제어 지연기; 그리고,상기 루프 필터에서 출력되는 고정된 제어 신호에 따라 상기 입력 신호의 주파수를 변환시키는 전압 제어 발진기를 포함하되,상기 전압 제어 지연기는 상기 입력 신호에 직렬로 연결된 N개의 단위 지연 셀들로 구성되고,상기 전압 제어 발진기는 환형 구조로 연결된 M의 단위 셀들로 구성되어 상기 고정된 제어 신호에 의해 동작하여 상기 입력 신호의 주파수의 (N/M) 배에 해당하는 주파수를 갖는 신호를 출력하는 것을 특징으로 하는 주파수 합성기.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0053329A KR100536937B1 (ko) | 2003-08-01 | 2003-08-01 | 주파수 합성기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0053329A KR100536937B1 (ko) | 2003-08-01 | 2003-08-01 | 주파수 합성기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050014926A KR20050014926A (ko) | 2005-02-21 |
KR100536937B1 true KR100536937B1 (ko) | 2005-12-14 |
Family
ID=37225779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0053329A KR100536937B1 (ko) | 2003-08-01 | 2003-08-01 | 주파수 합성기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100536937B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100813528B1 (ko) | 2006-06-27 | 2008-03-17 | 주식회사 하이닉스반도체 | 지연 고정 루프의 딜레이 라인 및 그 딜레이 타임 제어방법 |
KR100834393B1 (ko) | 2006-10-31 | 2008-06-04 | 주식회사 하이닉스반도체 | 클럭 데이터 복원장치. |
-
2003
- 2003-08-01 KR KR10-2003-0053329A patent/KR100536937B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR20050014926A (ko) | 2005-02-21 |
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