Transcription of Lecture Notes for Digital Electronics
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Lecture Notes for Digital Electronics
Lecture Notes for Digital ElectronicsRaymond E. FreyPhysics DepartmentUniversity of OregonEugene, OR 97403, 20001 Basic Digital ConceptsBy converting continuous analog signals into a nite number of discrete states, a processcalleddigitization, then to the extent that the states are su ciently well separated so thatnoise does create errors, the resulting Digital signals allow the following (slightly idealized): storage over arbitrary periods of time flawless retrieval and reproduction of the stored information flawless transmission of the informationSome information is intrinsically Digital , so it is natural to process and manipulate itusing purely Digital techniques.
2.2 Boolean Algebra and DeMorgan’s Theorems Boolean algebra can be used to formalize the combinations of binary logic states. The fundamental relations are given in Table 8.3 of the text. In these relations, A and B are binary quantities, that is, they can be either logical true (T or 1) or logical false (F or 0). Most of these relations are ...
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