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Posts tagged circuit-theory

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Anything about circuit theory, the branch of electrical engineering concerned with the mathematical methods for representing (modeling) and analyzing lumped circuits in abstract fashion.

Although circuit theory deals with lumped-parameters circuits, some of its methods can be applied to devices or systems that cannot be analyzed properly using only a lumped-parameter model. For example S-parameters applied to microwave circuits.

As examples, some common and less common topics covered by circuit theory follow.

  • Kirchhoff's laws.
  • Series/parallel transformations.
  • Voltage/current divider formulas.
  • Nodal analysis methods.
  • Mesh analysis methods.
  • Star/delta transformations
  • Electrical networks theorems (superimposition, Thévenin's/Norton's, Miller's, etc.)
  • 2-port networks modeling: h-parameters, z-parameters, etc.
  • Transfer functions theory.
  • Non-linear devices modeling.
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Q&A Complex frequency of a pole

If we have the transfer function of a LC high pass filter: $H(s) = \frac{sL}{sL+\frac{1}{sC}}$ If we want to find the pole of that filter in the end we get: $s = \frac{j}{\sqrt{LC}}$ and for a ...

3 answers  ·  posted 2y ago by MissMulan‭  ·  edited 9mo ago by Lorenzo Donati‭

Question filter transfer-function resonance circuit-theory
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