JP2007104132A5 - - Google Patents
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- Publication number
- JP2007104132A5 JP2007104132A5 JP2005289043A JP2005289043A JP2007104132A5 JP 2007104132 A5 JP2007104132 A5 JP 2007104132A5 JP 2005289043 A JP2005289043 A JP 2005289043A JP 2005289043 A JP2005289043 A JP 2005289043A JP 2007104132 A5 JP2007104132 A5 JP 2007104132A5
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- active filter
- charge pump
- voltage
- circuit element
- 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
- 239000003990 capacitor Substances 0.000 claims 4
- 239000004065 semiconductor Substances 0.000 claims 1
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005289043A JP4327144B2 (ja) | 2005-09-30 | 2005-09-30 | Pll回路におけるアクティブフィルタ。 |
| US11/318,608 US7782144B2 (en) | 2005-09-30 | 2005-12-28 | Active filter in PLL circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005289043A JP4327144B2 (ja) | 2005-09-30 | 2005-09-30 | Pll回路におけるアクティブフィルタ。 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007104132A JP2007104132A (ja) | 2007-04-19 |
| JP2007104132A5 true JP2007104132A5 (https=) | 2007-07-12 |
| JP4327144B2 JP4327144B2 (ja) | 2009-09-09 |
Family
ID=37901323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005289043A Expired - Fee Related JP4327144B2 (ja) | 2005-09-30 | 2005-09-30 | Pll回路におけるアクティブフィルタ。 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7782144B2 (https=) |
| JP (1) | JP4327144B2 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010252094A (ja) * | 2009-04-16 | 2010-11-04 | Renesas Electronics Corp | Pll回路 |
| US10014867B1 (en) * | 2016-12-28 | 2018-07-03 | AUCMOS Technologies USA, Inc. | Low-jitter phase-locked loop circuit |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03136522A (ja) | 1989-10-23 | 1991-06-11 | Mitsubishi Electric Corp | 位相同期回路 |
| US5297231A (en) * | 1992-03-31 | 1994-03-22 | Compaq Computer Corporation | Digital signal processor interface for computer system |
| JP2778421B2 (ja) | 1993-09-07 | 1998-07-23 | 日本電気株式会社 | チャージポンプ型位相同期ループ |
| JP2919321B2 (ja) | 1995-10-27 | 1999-07-12 | 埼玉日本電気株式会社 | Pllシンセサイザ |
| JPH1168560A (ja) | 1997-08-20 | 1999-03-09 | Nec Corp | Pll周波数シンセサイザおよびチャージポンプ回路 |
| US6040742A (en) * | 1997-09-02 | 2000-03-21 | Lucent Technologies Inc. | Charge-pump phase-locked loop with DC current source |
| US6611160B1 (en) * | 2000-11-21 | 2003-08-26 | Skyworks Solutions, Inc. | Charge pump having reduced switching noise |
| WO2003098807A1 (en) | 2002-05-22 | 2003-11-27 | Matsushita Electric Industrial Co.,Ltd. | Low-pass filter for a pll, phase-locked loop and semiconductor integrated circuit |
| US6963232B2 (en) * | 2003-08-11 | 2005-11-08 | Rambus, Inc. | Compensator for leakage through loop filter capacitors in phase-locked loops |
| JP2005094427A (ja) | 2003-09-18 | 2005-04-07 | Renesas Technology Corp | 通信用半導体集積回路 |
| JP2005167536A (ja) | 2003-12-02 | 2005-06-23 | Renesas Technology Corp | 通信用半導体集積回路および無線通信システム |
| US7015735B2 (en) | 2003-12-19 | 2006-03-21 | Renesas Technology Corp. | Semiconductor integrated circuit having built-in PLL circuit |
| TWI233265B (en) * | 2004-06-18 | 2005-05-21 | Via Tech Inc | Phase locked loop circuit |
| US7427900B2 (en) * | 2004-12-30 | 2008-09-23 | Silicon Laboratories Inc. | Integrated PLL loop filter and charge pump |
-
2005
- 2005-09-30 JP JP2005289043A patent/JP4327144B2/ja not_active Expired - Fee Related
- 2005-12-28 US US11/318,608 patent/US7782144B2/en not_active Expired - Fee Related
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