Phase interpolation circuit

Details Phase interpolation circuit Phase interpolation circuit

2004-12-02

2008-12-16

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Phase shift by less than period of input

C327S231000

Reexamination Certificate

active

07466179

ABSTRACT:
The invention relates to a phase-interpolation circuit and a phase-interpolation signal generating circuit applying the phase-interpolation circuit. The phase-interpolation circuit can avoid short-circuit current effectively. In addition, an inter-phase signal can be interpolated between the rising edge and the falling edge of the clock pulse. The phase-interpolation signal generating device can generate multiphase clock signals which not only have linearly distributed phases but also maintain good 50% duty cycle of the multiphase clock signals.

REFERENCES:
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patent: 2002/0030525 (2002-03-01), Saeki
patent: 2002-14743 (2002-01-01), None
Hervé Marie and Philippe Belin, R, G, B Acquisition Interface with Line-Locked Clock Generator for Flat Panel Display, IEEE Journal of Solid-State Circuits, Jul. 1998, pp. 1009-1013, vol. 33, No. 7, Philips Semiconductors, Caen, France.

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