Method, apparatus and program storage device for modeling an...

Details Method, apparatus and program storage device for modeling an... Method, apparatus and program storage device for modeling an...

2007-10-09

2007-10-09

Kinkead, Arnold (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Afc with logic elements

C331S016000, C331S034000, C716S030000, C716S030000, C716S030000

Reexamination Certificate

active

11021864

ABSTRACT:
A method, apparatus and program storage device for modeling an analog PLL for use in a digital simulator are disclosed. A model of a phase locked loop to be simulated in a digital simulator includes a behavioral model for simulating a phase locked loop as a set of behavioral blocks based upon a high level description language and a loop filter model, used by the behavioral model, the loop filter model being implemented as a series of integrators based on a transfer function for creating a loop voltage for generating phase adjustments. The PLL behavior is based on actual circuit parameters and produces accurate behavior in a fraction of the time required using an analog simulator.

REFERENCES:
patent: 6704908 (2004-03-01), Horan et al.
patent: 7065734 (2006-06-01), Dalton

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