Phase splitters

Details Phase splitters Phase splitters

2007-03-30

2009-08-04

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

C327S256000, C327S291000

Reexamination Certificate

active

07570095

ABSTRACT:
A phase splitter that receives an external clock signal and that generates first and second internal clock signals having a phase difference of 180° between the first and second internal clock signals, the phase splitter including: a first buffer that buffers the external clock signal and outputs a first signal; an inverting unit that inverts the external clock signal and outputs a second signal; a second buffer that buffers the second signal and outputs a third signal; a first interpolating signal generator that inverts the external clock signal and outputs a fourth signal; and a second interpolating signal generator that inverts the second signal and outputs a fifth signal. The first signal and the fifth signal are interpolated to generate the first internal clock signal. The third signal and the fourth signal are interpolated to generate the second internal clock signal.

REFERENCES:
patent: 4782253 (1988-11-01), Shoji
patent: 6583656 (2003-06-01), Liu
patent: 7119602 (2006-10-01), Davis
patent: 05-100763 (1993-04-01), None
patent: 10-2005-0006885 (2005-01-01), None

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