CN1156083C - 电荷激励电路及锁相环路频率合成器 - Google Patents
电荷激励电路及锁相环路频率合成器 Download PDFInfo
- Publication number
- CN1156083C CN1156083C CNB981173462A CN98117346A CN1156083C CN 1156083 C CN1156083 C CN 1156083C CN B981173462 A CNB981173462 A CN B981173462A CN 98117346 A CN98117346 A CN 98117346A CN 1156083 C CN1156083 C CN 1156083C
- Authority
- CN
- China
- Prior art keywords
- mos transistor
- current
- electric current
- constant
- signal
- 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.)
- Expired - Fee Related
Links
- 238000005086 pumping Methods 0.000 title abstract 2
- 238000007600 charging Methods 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 230000000630 rising effect Effects 0.000 claims description 20
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Images
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
- H03L7/0891—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 the up-down pulses controlling source and sink current generators, e.g. a charge pump
- H03L7/0895—Details of the current generators
-
- 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
- H03L7/0891—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 the up-down pulses controlling source and sink current generators, e.g. a charge pump
-
- 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
- H03L7/0992—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 a counter or a 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
- H03L7/16—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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP223850/1997 | 1997-08-20 | ||
JP223850/97 | 1997-08-20 | ||
JP9223850A JPH1168560A (ja) | 1997-08-20 | 1997-08-20 | Pll周波数シンセサイザおよびチャージポンプ回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1208996A CN1208996A (zh) | 1999-02-24 |
CN1156083C true CN1156083C (zh) | 2004-06-30 |
Family
ID=16804703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB981173462A Expired - Fee Related CN1156083C (zh) | 1997-08-20 | 1998-08-19 | 电荷激励电路及锁相环路频率合成器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6111469A (zh) |
JP (1) | JPH1168560A (zh) |
KR (1) | KR100293769B1 (zh) |
CN (1) | CN1156083C (zh) |
TW (1) | TW425768B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3250540B2 (ja) * | 1999-03-15 | 2002-01-28 | 日本電気株式会社 | Pll回路 |
JP2000295098A (ja) * | 1999-04-06 | 2000-10-20 | Oki Electric Ind Co Ltd | フェーズロックループ回路 |
GB2356751B (en) * | 1999-11-23 | 2004-04-21 | Sony Uk Ltd | Charge pump |
US6472914B2 (en) | 2000-01-21 | 2002-10-29 | Texas Instruments Incorporated | Process independent ultralow charge pump |
KR100374631B1 (ko) | 2000-06-09 | 2003-03-04 | 삼성전자주식회사 | 전하펌프 회로 |
JP3493575B2 (ja) * | 2000-07-28 | 2004-02-03 | Necエレクトロニクス株式会社 | 半導体装置、チャージポンプ回路およびpll回路 |
US6466069B1 (en) * | 2000-11-21 | 2002-10-15 | Conexant Systems, Inc. | Fast settling charge pump |
US7082178B2 (en) * | 2001-12-14 | 2006-07-25 | Seiko Epson Corporation | Lock detector circuit for dejitter phase lock loop (PLL) |
US6750685B1 (en) * | 2002-05-23 | 2004-06-15 | National Semiconductor Corporation | Apparatus and method for a bi-directional charge driver circuit |
US6798260B1 (en) * | 2003-03-04 | 2004-09-28 | Intersil Americas Inc. | Margining pin interface and control circuit |
US6963232B2 (en) * | 2003-08-11 | 2005-11-08 | Rambus, Inc. | Compensator for leakage through loop filter capacitors in phase-locked loops |
US7038552B2 (en) * | 2003-10-07 | 2006-05-02 | Analog Devices, Inc. | Voltage controlled oscillator having improved phase noise |
US7053684B1 (en) * | 2004-04-28 | 2006-05-30 | Cirrus Logic, Inc. | Reduced jitter charge pumps and circuits and systems utilizing the same |
JP4327144B2 (ja) | 2005-09-30 | 2009-09-09 | 富士通マイクロエレクトロニクス株式会社 | Pll回路におけるアクティブフィルタ。 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5510238A (en) * | 1978-07-07 | 1980-01-24 | Citizen Watch Co Ltd | Rll circuit |
US4792705A (en) * | 1986-03-14 | 1988-12-20 | Western Digital Corporation | Fast switching charge pump |
JPH01128620A (ja) * | 1987-11-13 | 1989-05-22 | Fujitsu Ltd | チャージポンプ回路 |
JPH0529847A (ja) * | 1991-07-10 | 1993-02-05 | Fujitsu Ltd | 能動負荷回路及びそれを用いた差動増幅器 |
JPH0613896A (ja) * | 1991-09-12 | 1994-01-21 | Hitachi Ltd | 位相同期回路 |
JP3425235B2 (ja) * | 1994-09-13 | 2003-07-14 | 株式会社東芝 | 可変減衰器 |
JPH08204549A (ja) * | 1995-01-20 | 1996-08-09 | Mitsubishi Electric Corp | チャージポンプ回路 |
JPH09298462A (ja) * | 1996-04-30 | 1997-11-18 | Sony Corp | Pll回路 |
GB2324423B (en) * | 1997-04-16 | 1999-07-21 | Lsi Logic Corp | Charge pump |
JPH11146138A (ja) * | 1997-11-06 | 1999-05-28 | Asahi Optical Co Ltd | 移送機構 |
-
1997
- 1997-08-20 JP JP9223850A patent/JPH1168560A/ja active Pending
-
1998
- 1998-08-12 TW TW087113296A patent/TW425768B/zh not_active IP Right Cessation
- 1998-08-17 KR KR1019980033257A patent/KR100293769B1/ko not_active IP Right Cessation
- 1998-08-19 CN CNB981173462A patent/CN1156083C/zh not_active Expired - Fee Related
- 1998-08-20 US US09/137,144 patent/US6111469A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR100293769B1 (ko) | 2001-07-12 |
TW425768B (en) | 2001-03-11 |
US6111469A (en) | 2000-08-29 |
JPH1168560A (ja) | 1999-03-09 |
CN1208996A (zh) | 1999-02-24 |
KR19990023644A (ko) | 1999-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: NEC ELECTRONICS TAIWAN LTD. Free format text: FORMER OWNER: NIPPON ELECTRIC CO., LTD. Effective date: 20030521 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20030521 Address after: Kanagawa, Japan Applicant after: NEC Corp. Address before: Tokyo, Japan Applicant before: NEC Corp. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040630 Termination date: 20090921 |