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Set_1 - Analog Versus Digital Analog Process time varying...

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Analog Versus Digital Analog systems. Process time varying signals that can take any value across a continuous range of voltages, current or other metric . Digital systems. Process time varying signals that can take on any value quantized from a continuous range of voltages, current or other metric.
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Systems “Gone Digital” Still pictures Video recordings Audio recordings Telephone system Traffic lights Internal combustion engines Movie effects
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Why Digital Is Chosen Over Analog Reproducibility of results Ease of design Flexibility and functionality Programmability Speed Economy
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Digital Signals Modeled as two discrete values: 0 and 1. LOW and HIGH. False and true. Digital abstraction. Allows analog behavior to be ignored in most cases. Allows circuits to be modeled as if they really did process 0 and 1s.
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Digital Abstraction
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Digital Hardware Moore’s Law Number of transistors on a chip double every
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This note was uploaded on 10/02/2011 for the course EE 2720 taught by Professor Desouza during the Fall '08 term at LSU.

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Set_1 - Analog Versus Digital Analog Process time varying...

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