Electronic power supply
Dillman, Norman G. Department of Electrical and Computer Engineering, Kansas State University, Manhattan, Kansas.
- Linear versus switching supplies
- Other power supplies
- Related Primary Literature
- Additional Reading
A source of electric power (voltage and current) to operate electronic circuits. Active electronic circuits contain such devices as transistors or vacuum tubes and require external power to amplify, filter, modify, or create electrical signals. The most common source of energy for electronic circuits is obtained by converting the electrical energy available in the conventional alternating-current (ac) electric power mains to an appropriate voltage or current. These converters, or electronic power supplies, can be implemented with a wide variety of circuits. Other power sources include batteries, mechanically driven generators, photovoltaic (solar) cells, and fuel cells. See also: Alternating current; Converter
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