Precision phase generator and method for phase generation

Details Precision phase generator and method for phase generation Precision phase generator and method for phase generation

2011-07-12

2011-07-12

Luu, An T (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Phase shift by less than period of input

C327S232000, C327S236000

Reexamination Certificate

active

07977992

ABSTRACT:
A phase generator includes a delay element configured to receive an input signal and delay the input signal by a predetermined amount to develop a delayed version of the input signal, a logic element configured to receive the input signal and the delayed version of the input signal, the logic element configured to produce a signal dependent on a phase difference between the input signal and the delayed version of the input signal, a circuit configured to generate a reference signal, and a comparator configured to receive an output of the logic element and the reference signal. The comparator is configured to generate a control signal that is dependent on the difference between the output of the logic element and the reference signal, where the control signal is applied to the delay element to determine the delay applied to the input signal.

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patent: 2005/0184781 (2005-08-01), Nagasue

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