Sampling pulse generation

Details Sampling pulse generation Sampling pulse generation

2002-12-23

2004-06-08

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Frequency or repetition rate conversion or control

C327S296000, C327S202000

Reexamination Certificate

active

06747490

ABSTRACT:

BACKGROUND
Data signals are commonly transmitted and received in conjunction with associated clock signals. A clock signal allows a receiver to extract data from a data signal by defining the bit-cell boundaries of the data signal. Clock signals are controlled by clocking circuits that are associated with data-carrying communication links.
A clocking circuit that is associated with a communication link is ideally capable of supporting any data rate that can be supported by the communication link and its associated transmitter and receiver. However, the speed and performance of a communication link are often limited by its clocking circuit. More specifically, a communication link may be prevented from carrying data at a particular rate because an associated clocking circuit is unable to generate clocking signals that define bit-cell lengths required by the data rate. Consequently, circuit designers desire clocking systems that support data rates that are greater than those supported by current clocking systems.


REFERENCES:
patent: 4686677 (1987-08-01), Flora
patent: 5561423 (1996-10-01), Morisaki
patent: 5740410 (1998-04-01), McDermott
patent: 6242958 (2001-06-01), Fletcher

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