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21st IEEE International Symposium on Defect and Fault-Tolerance in VLSI Systems (DFT'06)
Employing On-Chip Jitter Test Circuit for Phase Locked Loop Self-Calibration
Arlington, Virginia, USA
October 04-October 06
ISBN: 0-7695-2706-X
Tian Xia, University of Vermont, USA
Stephen Wyatt, IBM Microelectronics Division, USA
Rupert Ho, IBM Microelectronics Division, USA
In this paper, a new adaptive PLL is implemented. This PLL employs a simple yet effective jitter test circuit to monitor the PLL jitter performance. Additionally, it uses a digital control unit to dynamically adjust the switched loop filter to suppress the jitter. By using this structure, the trade-off between the PLL locking speed and jitter performance can be balanced.
Citation:
Tian Xia, Stephen Wyatt, Rupert Ho, "Employing On-Chip Jitter Test Circuit for Phase Locked Loop Self-Calibration," dft, pp.12-19, 21st IEEE International Symposium on Defect and Fault-Tolerance in VLSI Systems (DFT'06), 2006
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