introduction - Introduction ECE412

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Adaptive Integrated Microsystems Introduction ECE 412 Introduction to mixed-signal circuits (Fall 2007) Class website: http://www.egr.msu.edu/classes/ece412/shantanu Shantanu Chakrabartty
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Adaptive Integrated Microsystems Classification of circuits DIGITAL ANALOG MIXED QUANTUM
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Adaptive Integrated Microsystems What is the difference ? DIGITAL Glass is either ¼, ½ , ¾ or completely full. I  will represent these levels by symbols 00,  01, 10, 11. ANALOG I think, the amount of water in the glass is x  gallons. MIXED The glass is ½ full with an error of y  gallons. QUANTUM Since I cannot see the glass, the glass is both  empty and full.
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Adaptive Integrated Microsystems Realm of Industrial analog circuits Biomedical applications, audio applications etc. - Naturally occurring signals are predominantly analog. Image/Acoustics/sensory  signal Digital representation
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Adaptive Integrated Microsystems Importance of analog ? Take a look at this picture  taken using a digital camera  (8 bits). Can you locate a person in the  picture ? Once the picture is quantized  (digitized) information can  not be retrieved.  Analog processing is  important for recognizing the  face in the picture.
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Communication and storage systems Whenever a signal interacts with noise and physical  environment analog processing play an important role. High-speed communication 
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This note was uploaded on 03/01/2010 for the course ECE 412 taught by Professor - during the Fall '08 term at Michigan State University.

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introduction - Introduction ECE412

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