Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Synchronizing
Reexamination Certificate
2006-11-07
2006-11-07
Callahan, Timothy P. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Synchronizing
C327S147000
Reexamination Certificate
active
07132864
ABSTRACT:
A method is provided to configure a multiple-output phase-locked loop frequency synthesizer based upon a desired set of output frequencies. The method includes an act of selecting a candidate output frequency(s) for the synthesizer's VCO and corresponding configurations for the output dividers. Based upon the candidate output frequency(s) and corresponding output divider configurations, the method provides another act of selecting a suitable feedback signal and input and feedback divider configurations. The resulting various potential configurations for the frequency synthesizer are tested based upon predetermined suitable criteria to provide a selected frequency synthesizer configuration.
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patent: 6608530 (2003-08-01), Green et al.
patent: 2002/0190764 (2002-12-01), Nichols
“Software Download: RoboConfig 1.0”, Cypress Semiconductor Corporation, copyright 1995-2003.
“High-Speed Multi-Phase PLL Clock Buffer”, Cypress Semiconductor Corporation, Jul. 25, 2003.
Callahan Timothy P.
Cox Cassandra
Lattice Semiconductor Corporation
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