An improved SAR controller for DLL applications

The conventional SAR controller for DLL applications is shown in this paper to have the problem of dead lock. With this problem, the DLLs adopting the SAR controller are useless because they will go unlocked forever in face of supply voltage and temperature variations. An improved SAR controller is...

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Bibliographic Details
Main Authors: Jinn-Shyan Wang, Yi-Ming Wang, Chun-Yuan Cheng, Yu-Chai Liu
Format: Conference Proceeding
Language:English
Subjects:
Added delay
Clocks
Delay lines
Force control
Frequency conversion
Open loop systems
Robust control
Temperature control
Tuned circuits
Voltage
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Description
Summary:The conventional SAR controller for DLL applications is shown in this paper to have the problem of dead lock. With this problem, the DLLs adopting the SAR controller are useless because they will go unlocked forever in face of supply voltage and temperature variations. An improved SAR controller is proposed to overcome this problem and then to rescue the DLLs
ISSN:0271-4302
2158-1525
DOI:10.1109/ISCAS.2006.1693480