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…
Single-phase circuits. Sine-wave signals.
Sine-wave signals In this post we will learn about AC circuits, magnetic circuits and transient processes in these systems, and other aspects of complex…
Classification of electric materials
Materials in electronics can be classified as electrotechnical, constructional and special. Electrotechnical materials are classified by four groups: Conductors Semiconductors Isolators Magnetic materials. Electrotechnical…
Types of chemical bonding
The essential particles that construct all materials are electrons, neutrons and protons. Protons and neutrons form the atomic nucleus - electrons fill the atomic…
Crystal lattice and miller indices
This post is about structure of solid state materials, their properties and quantitative characteristics. Crystal lattice A crystal lattice is the basis of the…
Defects in solids
This post answers the question "What are defects in crystals?". There are no naturally occurring ideal crystals. Every solid compound has some deviation from…
Polymorphism
Polymorphism is the ability of solids to form more than one crystalline lattice, that is stable for different pressures and temperatures. These lattices are…