Burns, Stanley G. Department of Electrical Engineering and Computer Engineering, Iowa State University, Ames, Iowa.
- Additional Readings
The time-varying part of a voltage that is ideally time-invariant. Most electronic systems require a direct-current voltage for at least part of their operation. An ideal direct-current voltage is available from a battery, but batteries are impractical for many applications. To obtain a direct-current voltage from the alternating-current power mains requires using some type of power supply.
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