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Self-tracking charge pump for fast-locking PLL
Chen Y.2; Mak P.-I.1; Zhou Y.2
2010-05-27
Source PublicationElectronics Letters
ISSN00135194
Volume46Issue:11Pages:755-757
Abstract

Presented is a self-tracking charge pump (ST-CP) that can deliver a non-constant current over the output voltage range for a fast-locking phase-locked loop (PLL). It features a simple self-bias self-tracking architecture that can reduce, simultaneously, the PLL locking time and the current mismatch in charge and discharge phases. Experimentally verified in a 0.18μm CMOS process, the proposed ST-CP achieves 72 reduction of PLL locking time compared with the conventional one. The core occupies 30×60μm and draws 10μA at 1.8V. © 2010 The Institution of Engineering and Technology.

DOI10.1049/el.2010.3562
URLView the original
Indexed BySCI
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000279091200015
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Cited Times [WOS]:5   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF MICROELECTRONICS
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Universidade de Macau
2.Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chen Y.,Mak P.-I.,Zhou Y.. Self-tracking charge pump for fast-locking PLL[J]. Electronics Letters,2010,46(11):755-757.
APA Chen Y.,Mak P.-I.,&Zhou Y..(2010).Self-tracking charge pump for fast-locking PLL.Electronics Letters,46(11),755-757.
MLA Chen Y.,et al."Self-tracking charge pump for fast-locking PLL".Electronics Letters 46.11(2010):755-757.
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