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le01 - 1 E E 2315 Circuits I Lecture 1 ‐ Introduction to...

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Unformatted text preview: 1 E E 2315 Circuits I Lecture 1 ‐ Introduction to Electric Circuits Overview of Electrical Engineering • The electrical engineer combines the physicist’s models of natural phenomena with the mathematician’s tools for manipulating those models to produce systems that meet practical needs. • Electrical systems can be divided into five major classifications. 5 Linked Classifications of Electrical Systems • Communications Systems • Computer Systems • Control Systems • Power Systems • Signal Processing Systems 2 Communications Systems • Telephony – Analog and Digital – Switched Channels R di • Radio – Broadcast AM, FM, & SW – Two ‐ Way • Television Computer Systems • Programmable Microcircuits • High ‐ speed switching of logic circuits • Used for – Computation – Control Control Systems • Automated • Adaptable • Faster Operation than Manual • More Reliable than Manual • Modern high ‐ performance aircraft rely on automated control systems 3 Power Systems • Large networks connected by low frequency a ‐ c transmission lines • Small networks in aircraft and spacecraft • Electromechanical Energy Conversion • Power Electronics – High frequency switching converters – High efficiency, high power density...
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le01 - 1 E E 2315 Circuits I Lecture 1 ‐ Introduction to...

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