JP2005236976A - 全差動出力チャージポンプを有するpll位相/周波数検出器 - Google Patents
全差動出力チャージポンプを有するpll位相/周波数検出器 Download PDFInfo
- Publication number
- JP2005236976A JP2005236976A JP2005015902A JP2005015902A JP2005236976A JP 2005236976 A JP2005236976 A JP 2005236976A JP 2005015902 A JP2005015902 A JP 2005015902A JP 2005015902 A JP2005015902 A JP 2005015902A JP 2005236976 A JP2005236976 A JP 2005236976A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- loop
- filter
- locked loop
- feedback
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000000872 buffer Substances 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 2
- 230000036962 time dependent Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001629 suppression Effects 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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
【解決手段】フェイズロックループのチャージポンプにおけるチャージ電流を、全差動フェイズロックループフィルタのコモンモード電圧から生成されるフィードバック信号を用いて直流電流源の1つを制御することにより等化する。フィードバック信号は、全差動フェイズロックループフィルタのコモンモード電圧を検出し、差動信号成分を除去するためにコモンモード電圧をローパスフィルタする検出器・フィルタによって生成される。
【選択図】図3
Description
図1〜図5において、同一の構成要素には、同一の符号を付している。
図3は、PLLチャージポンプの正負チャージ電流を等化する本発明の方法の好ましい実施形態を示す。
a)コモンモード電圧vcm=(vcp+vcn)/2を検出すること。
b)差動信号周波数成分を除去するために前記コモンモード電圧をローパスフィルタすること。
19 非オーバーラップ・スイッチ制御回路(非オーバーラップ制御回路)
22 コモンモード電圧検出器・フィルタ
26 電流リミッタ
27 バッファ
28,29,30,31,32,33 スイッチ
34 全差動ループフィルタ(全差動フェイズロックループフィルタ)
Claims (22)
- フェイズロックループの一対の直流電流源を含むチャージポンプにおけるチャージ電流を等化する方法であって、
全差動フェイズロックループフィルタを用意することと、
前記全差動フェイズロックループフィルタのコモンモード電圧から生成されるフィードバック信号を用いて前記直流電流源の1つを制御することと
を備える等化方法。 - 前記フィードバック信号は、前記全差動フェイズロックループフィルタのコモンモード電圧を検出し、差動信号成分を除去するために前記コモンモード電圧をローパスフィルタする検出器・フィルタによって生成される請求項1に記載の等化方法。
- 前記検出器・フィルタは、前記チャージポンプの出力信号を入力信号として受ける容量負荷フィルタである請求項2に記載の等化方法。
- 前記直流電流源は、スイッチを備え、前記スイッチの制御信号は非オーバーラップ制御回路によって生成される請求項1に記載の等化方法。
- 前記制御信号は、位相検出器のアップ出力とダウン出力から生成される請求項4に記載の等化方法。
- 前記フィードバック信号は、前記コモンモード電圧と基準電圧とから生成される請求項1に記載の等化方法。
- 前記フィードバック信号は、前記フィルタされたコモンモード電圧が前記基準電圧と等しくなるように、前記1つの直流電流源の値を制御する請求項6に記載の等化方法。
- 前記フィルタされたコモンモード電圧を前記基準電圧から減算する請求項7に記載の等化方法。
- 前記基準電圧は抵抗分割器によって供給される請求項7に記載の等化方法。
- フィードバックループがサンプルド・ループである、請求項1に記載の等化方法。
- 前記サンプルド・ループの帯域は、基準周波数信号の周波数によって規定されるサンプリング周波数より低い請求項10に記載の等化方法。
- 位相検出器と、
全差動ループフィルタと、
電荷を前記全差動ループフィルタに注入するための一対の直流電流源を有するチャージポンプと、
前記全差動ループフィルタのコモンモード電圧から生成されるフィードバック信号を用いて前記直流電流源の1つを制御するためのフィードバックループと
を備えるフェイズロックループ。 - 電圧基準源を更に備え、
前記フィードバック信号は、前記コモンモード電圧が前記基準電圧に等しくなるように前記1つの直流電流源を制御する請求項12に記載のフェイズロックループ。 - 前記フィードバックループは、前記直流電流源からの入力を受けるフィードバックフィルタを含む請求項13に記載のフェイズロックループ。
- 前記フィードバックフィルタは、完全容量性である請求項14に記載のフェイズロックループ。
- 前記完全容量性フィードバックフィルタは、抵抗と容量との回路網を備える請求項15に記載のフェイズロックループ。
- 前記フィードバックフィルタは、前記全差動ループフィルタを抵抗と容量との前記回路網から分離する高インピーダンス入力バッファを備える請求項16に記載のフェイズロックループ。
- 前記電圧基準源は抵抗電圧分割器である請求項13に記載のフェイズロックループ。
- 前記フィードバックループは、電流リミッタを更に含む請求項18に記載のフェイズロックループ。
- 前記電流リミッタは、電流源とMOS素子との回路網を含む請求項19に記載のフェイズロックループ。
- 前記抵抗電圧分割器からの基準電圧を受ける相互コンダクタンスアンプを含む請求項20に記載のフェイズロックループ。
- 前記フィードバックループは、前記全差動ループフィルタの時間依存の充電をなくすよう前記直流電流源が常にオンとなるようにするためのバッファを含む請求項12に記載のフェイズロックループ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0401536A GB2410387B (en) | 2004-01-23 | 2004-01-23 | PLL phase/frequency detector with fully differential output charge pump |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005236976A true JP2005236976A (ja) | 2005-09-02 |
JP4128571B2 JP4128571B2 (ja) | 2008-07-30 |
Family
ID=31971373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005015902A Active JP4128571B2 (ja) | 2004-01-23 | 2005-01-24 | 全差動出力チャージポンプを有するpll位相/周波数検出器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7187242B2 (ja) |
JP (1) | JP4128571B2 (ja) |
DE (1) | DE102005003155B4 (ja) |
FR (1) | FR2865586B1 (ja) |
GB (1) | GB2410387B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010035097A (ja) * | 2008-07-31 | 2010-02-12 | Sony Corp | 位相同期回路並びに記録再生装置および電子機器 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090146751A1 (en) * | 2007-12-05 | 2009-06-11 | Mobius Microsystems, Inc. | Clock, Frequency Reference, and Other Reference Signal Generator |
US7439783B2 (en) * | 2006-01-19 | 2008-10-21 | Lattice Semiconductor Corporation | Phase-locked loop systems and methods |
WO2007109744A2 (en) * | 2006-03-21 | 2007-09-27 | Multigig Inc. | Dual pll loop for phase noise filtering |
US7403054B1 (en) | 2007-12-05 | 2008-07-22 | International Business Machines Corporation | Sub-picosecond multiphase clock generator |
US20090146750A1 (en) * | 2007-12-05 | 2009-06-11 | Mobius Microsystems, Inc. | Common Mode Controller for a Clock, Frequency Reference, and Other Reference Signal Generator |
US8022710B2 (en) * | 2008-01-18 | 2011-09-20 | GM Global Technology Operations LLC | Methods for common mode voltage-based AC fault detection, verification and/or identification |
KR20120063864A (ko) | 2010-12-08 | 2012-06-18 | 한국전자통신연구원 | 차동 제어 위상 고정 루프 회로 |
US8749285B1 (en) * | 2013-03-15 | 2014-06-10 | Pericom Semiconductor Corp. | Differential voltage-mode buffer with current injection |
US8760203B1 (en) | 2013-05-01 | 2014-06-24 | Cypress Semiconductor Corporation | OTA based fast lock PLL |
US9923565B2 (en) | 2014-11-19 | 2018-03-20 | International Business Machines Incorporated | Differential phase-frequency detector |
CN108092661B (zh) * | 2018-01-15 | 2021-05-28 | 深圳骏通微集成电路设计有限公司 | 鉴相器和锁相环电路 |
CN110475045B (zh) * | 2019-09-11 | 2023-08-15 | 吉林省广播电视研究所(吉林省广播电视局科技信息中心) | 比例锁相同步电子装置 |
CN111585569A (zh) * | 2020-06-11 | 2020-08-25 | 西安电子科技大学 | 一种用于锁相环的新型电荷泵结构 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2608108B2 (ja) | 1988-06-30 | 1997-05-07 | 株式会社日立製作所 | 位相同期回路 |
EP0718978A1 (en) | 1994-12-23 | 1996-06-26 | STMicroelectronics S.r.l. | Differential charge pump |
DE19617635A1 (de) | 1996-05-02 | 1997-11-13 | Siemens Ag | Phasenregelkreis |
FR2754959B1 (fr) | 1996-10-22 | 1998-12-24 | Sgs Thomson Microelectronics | Comparateur de phase a tres faible offset |
EP0957584B1 (en) * | 1998-05-15 | 2004-01-07 | STMicroelectronics S.r.l. | Phase locked loop circuit and control method thereof |
US6118346A (en) * | 1998-05-20 | 2000-09-12 | National Semiconductor Corp. | Dynamic matching of up and down currents in charge pumps to reduce spurious tones |
KR100555471B1 (ko) * | 1998-07-29 | 2006-03-03 | 삼성전자주식회사 | 적응적으로 전류 옵셋을 제어하는 전하 펌프 |
US6526111B1 (en) * | 1998-11-23 | 2003-02-25 | Sigmatel, Inc. | Method and apparatus for phase locked loop having reduced jitter and/or frequency biasing |
US6265946B1 (en) * | 1998-12-31 | 2001-07-24 | Lsi Logic Corporation | Differential mode charge pump and loop filter with common mode feedback |
US6184732B1 (en) * | 1999-08-06 | 2001-02-06 | Intel Corporation | Setting the common mode level of a differential charge pump output |
EP1279230A1 (en) * | 2000-04-27 | 2003-01-29 | Koninklijke Philips Electronics N.V. | Differential phase-locked-loop circuit |
DE10050294B4 (de) * | 2000-10-10 | 2006-08-24 | Atmel Germany Gmbh | PLL-Schaltung |
FR2819123B1 (fr) * | 2000-12-29 | 2003-04-11 | St Microelectronics Sa | Pompe de charge a faible bruit pour boucle a verrouillage de phase |
US6847251B2 (en) * | 2001-01-11 | 2005-01-25 | Media Tek, Inc. | Differential charge pump circuit |
TWI245493B (en) * | 2001-10-24 | 2005-12-11 | Media Tek Inc | Apparatus for calibrating a charge pump and method therefor |
TW531965B (en) * | 2001-12-07 | 2003-05-11 | Mediatek Inc | Differential charge pump |
US6429734B1 (en) * | 2001-12-19 | 2002-08-06 | Neoaxiom Corporation | Differential active loop filter for phase locked loop circuits |
US7009432B2 (en) * | 2001-12-20 | 2006-03-07 | Analog Devices, Inc. | Self-calibrating phase locked loop charge pump system and method |
DE10163536B4 (de) | 2001-12-21 | 2005-05-04 | Infineon Technologies Ag | Ladungspumpenschaltung |
US6664829B1 (en) * | 2002-09-04 | 2003-12-16 | National Semiconductor Corporation | Charge pump using dynamic charge balance compensation circuit and method of operation |
-
2004
- 2004-01-23 GB GB0401536A patent/GB2410387B/en not_active Expired - Lifetime
-
2005
- 2005-01-19 US US11/038,353 patent/US7187242B2/en active Active
- 2005-01-21 DE DE102005003155A patent/DE102005003155B4/de active Active
- 2005-01-21 FR FR0500636A patent/FR2865586B1/fr active Active
- 2005-01-24 JP JP2005015902A patent/JP4128571B2/ja active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010035097A (ja) * | 2008-07-31 | 2010-02-12 | Sony Corp | 位相同期回路並びに記録再生装置および電子機器 |
JP4683088B2 (ja) * | 2008-07-31 | 2011-05-11 | ソニー株式会社 | 位相同期回路並びに記録再生装置および電子機器 |
US8022774B2 (en) | 2008-07-31 | 2011-09-20 | Sony Corporation | Phase-locked loop circuit, recording-and-reproducing apparatus, and electronic apparatus |
Also Published As
Publication number | Publication date |
---|---|
US7187242B2 (en) | 2007-03-06 |
US20050168291A1 (en) | 2005-08-04 |
DE102005003155B4 (de) | 2012-11-08 |
FR2865586A1 (fr) | 2005-07-29 |
JP4128571B2 (ja) | 2008-07-30 |
DE102005003155A1 (de) | 2005-08-18 |
GB2410387A (en) | 2005-07-27 |
FR2865586B1 (fr) | 2007-04-13 |
GB2410387B (en) | 2006-06-21 |
GB0401536D0 (en) | 2004-02-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4128571B2 (ja) | 全差動出力チャージポンプを有するpll位相/周波数検出器 | |
US6680632B1 (en) | Method/architecture for a low gain PLL with wide frequency range | |
KR101141029B1 (ko) | Pll들 등의 루프 필터 커패시터들의 누설 전류들의 보상 | |
TWI394376B (zh) | 鎖相迴路電路、鎖相方法及電容性電路 | |
JP6273216B2 (ja) | Pllループフィルタキャパシタのためのキャパシタ漏れ補償 | |
US8508265B2 (en) | Differential controlled phase locked loop circuit | |
US8779812B1 (en) | Hybrid PLL/FLL circuit to provide a clock | |
US8063678B2 (en) | Charge pump for phase locked loop | |
US6815988B2 (en) | Differential charge pump | |
KR100652356B1 (ko) | 광대역 채널 클럭 복원 시 안정된 클럭 재생을 위한 위상동기 루프 및 그의 동작 방법 | |
US20050237092A1 (en) | Charge pump circuit reducing noise and charge error and PLL circuit using the same | |
JPH10501671A (ja) | 位相固定ループのループフィルタ | |
CN209982465U (zh) | 锁相环以及用于锁相环的控制电路 | |
US8760201B1 (en) | Digitally programmed capacitance multiplication with one charge pump | |
CN107306125A (zh) | 信号生成电路以及信号生成方法 | |
US7106238B2 (en) | Input data slicer | |
US6975175B2 (en) | Charge pump | |
US7161435B2 (en) | Feedback control circuit | |
US20040257162A1 (en) | Charge pump for eliminating dc mismatches at common drian nodes | |
KR20100001696A (ko) | 개선된 루프 필터를 포함하는 위상 동기 루프 | |
US20110254633A1 (en) | Method and apparatus for alleviating charge leakage of vco for phase lock loop | |
CN114826166A (zh) | 高速精密斩波放大器的快速稳定纹波减少环路 | |
JP2006067565A (ja) | Pll特性切り換え方法およびpll回路 | |
TW201929400A (zh) | 電荷泵和鎖相環 | |
JP4323384B2 (ja) | フィードバック制御回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070417 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20070712 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20070718 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20070816 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20070821 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20070914 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20070920 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071016 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20071225 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080318 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20080415 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20080514 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110523 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4128571 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110523 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120523 Year of fee payment: 4 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130523 Year of fee payment: 5 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130523 Year of fee payment: 5 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |