Tuesday, March 5, 2019

Lecture Notes on Department of Electrical Engineering digital Circuits and Design

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Digital circuit: A digital circuit is a circuit where the signal must be one of two discrete levels. Each level is interpreted as one of two different states (for example, on/off, 0/1, true/false). Digital circuits use transistors to create logic gates in order to perform Boolean logic. This logic is the foundation of digital electronics and computer processing. Digital circuits are less susceptible to noise or degradation in quality than analog circuits. It is also easier to perform error detection and correction with digital signals. To automate the process of designing digital circuits, engineers use electronic design automation (EDA) tools, a type of software that optimizes the logic in a digital circuit.

1. Number system& codes: Binary Number base conversion, Octal &hexadecimal
numbers, complements, signed binary numbers, binary codes-BCD codes, gray codes, ASCII
Character Code, Codes for serial data transmission &storage.
2. Boolean Algebra & Logic gates: Axiomatic definition of boolean Algebra .Property of Boolean
Algebra, boolean functions, Canonical & standard form; min terms & max terms, standard forms; Digital Logic Gates, Multiple inputs.

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