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About RF Cafe
Copyright: 1996 - 2024 Web BSEE - KB3UON RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling
2 MB. Its primary purpose was to provide me with ready access to commonly needed
formulas and reference material while performing my work as an RF system and circuit
design engineer. The World Wide Web (Internet) was largely an unknown entity at
the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps
while tying up your telephone line, and a nice lady's voice announced "You've Got
Mail" when a new message arrived... All trademarks, copyrights, patents, and other rights of ownership to images
and text used on the RF Cafe website are hereby acknowl My Hobby Website: |
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Norton Equivalent Circuit Theorem |
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Norton's theorem for electrical networks states that any collection of voltage sources, current sources, and
resistors with two terminals is electrically equivalent to an ideal current source, I, in parallel with a single
resistor, R. For single-frequency AC systems the theorem can also be applied to general impedances, not just
resistors. The Norton equivalent is used to represent any network of linear sources and impedances, at a given
frequency. The circuit consists of an ideal current source in parallel with an ideal impedance (or resistor for
non-reactive circuits).
- Wikipedia The Norton Equivalent of a circuit consists of a Norton current source in parallel with a Norton resistor and is valid for any load. In AC circuits a Norton equivalent circuit is valid for a single frequency. The Norton current is the short-circuit current at the output - the same as what is calculated for the Thévénin short-circuit current (see Thévénin Equivalent page). The Norton resistance is the same as the Thévénin resistance.
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