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Digital_Clocks_for_Synchronization_and_Communications
【文件名】:071119@52RD_Digital_Clocks_for_Synchronization_and_Communications.pdf
【格 式】:pdf
【大 小】:2384K
【简 介】:
【目 录】:
Introduction to Clocks
1.1 Clocks in Digital Systems
Clocks mean different things to different people. The authors of this book
consider a clock to be a digital signal that consists of periodic pulses, or an
electronic device or circuit used to create such signals. It is not, however,
merely a question of a separate signal or an isolated piece of equipment.
From a communication systems point of view, a clock carries a vital nutrient
characteristic called timing. This clock timing is used to control digital telecommunications,
further relying on subsystems that realize various logical
operations. In addition, the functions of different digital subsystems can only
be coordinated with each other if they share the same clock. Information can
be processed reliably in the form of digital data when the associated clock
performance and timing transfer are adequate. For us the clock is an indispensable
element in digital communication systems [1].
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