Let's consider series and parallel RLC circuits with lumped parameters. They can be used for modelling resonators. RLC series resonant circuit. Here Zin=R+jwL-jwC. Input…

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## Series RLC resonant circuit

Series RLC resonant circuit is used to model a resonator at frequencies close to resonance. Resonator is a system, demonstrating resonance behaviour. Resonance in…

## Parallel RLC resonant circuit

Parallel RLC resonant circuit is also used to model a resonator in the resonance mode. Resonator is a system, that is experiencing the resonance…

## Short-circuited half wavelength line resonator

This post tells about short-circuited half wavelength line resonator. Half wavelength line resonator is depicted below, it is short circuited at one end. This…

## Short-circuited quarter wave transmission line

This post tells about short-circuited quarter wave transmission line. Quarter wave line resonator is depicted below, it is short-circuited at one end and opened…

## Induction motor

An induction motor is a type of electric machine. Here the stator coils produce a magnetic field, and this magnetic field induces a current,…

## Transient processes in linear circuits

Transient processes in electrical circuits are the processes of transition from one work regime to another, that differ with parameters. Transient processes are caused…

## Non-linear DC electric circuits

Non-linear electric circuits contain non-linear components. Non-linear electric components are characterised with non-linear volt-ampere characteristics, as depicted on the figure below. Non-linear components can…

## Magnetic circuits

Magnetic circuit is a set of components, combined in one circuit, that create a magnetic field loop. In calculating magnetic circuits we must remember…

## Non-linear AC circuits

Non-linear AC circuits are AC circuits containing non-linear components. Nonlinear components can be resistive, capacitive, and inductive. Non-linear resistors can be inertial, and non-inertial.…