en.unionpedia.org

Dielectric resonator, the Glossary

Index Dielectric resonator

A dielectric resonator is a piece of dielectric (nonconductive but polarizable) material, usually ceramic, that is designed to function as a resonator for radio waves, generally in the microwave and millimeter wave bands.[1]

Table of Contents

  1. 35 relations: Antenna (radio), Band-pass filter, Band-stop filter, Boundary value problem, Cavity perturbation theory, Ceramic, Dielectric, Dielectric resonator antenna, Diode, Dissipation factor, Electrical conductor, Electrical resistivity and conductivity, Electronic oscillator, Extremely high frequency, Filter (signal processing), Frequency, Hertz, John William Strutt, 3rd Baron Rayleigh, Limiter, Microwave, Microwave cavity, Oscillation, Permittivity, Polarizability, Q factor, Radio wave, Relative permittivity, Resonance, Resonator, Robert D. Richtmyer, Standing wave, Transverse mode, Waveguide filter, World War II, YIG sphere.

  2. Wireless tuning and filtering

Antenna (radio)

In radio engineering, an antenna (American English) or aerial (British English) is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver. Dielectric resonator and antenna (radio) are antennas (radio).

See Dielectric resonator and Antenna (radio)

Band-pass filter

A band-pass filter or bandpass filter (BPF) is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range.

See Dielectric resonator and Band-pass filter

Band-stop filter

In signal processing, a band-stop filter or band-rejection filter is a filter that passes most frequencies unaltered, but attenuates those in a specific range to very low levels.

See Dielectric resonator and Band-stop filter

Boundary value problem

In the study of differential equations, a boundary-value problem is a differential equation subjected to constraints called boundary conditions.

See Dielectric resonator and Boundary value problem

Cavity perturbation theory

In mathematics and electronics, cavity perturbation theory describes methods for derivation of perturbation formulae for performance changes of a cavity resonator.

See Dielectric resonator and Cavity perturbation theory

Ceramic

A ceramic is any of the various hard, brittle, heat-resistant, and corrosion-resistant materials made by shaping and then firing an inorganic, nonmetallic material, such as clay, at a high temperature.

See Dielectric resonator and Ceramic

Dielectric

In electromagnetism, a dielectric (or dielectric medium) is an electrical insulator that can be polarised by an applied electric field.

See Dielectric resonator and Dielectric

Dielectric resonator antenna

A dielectric resonator antenna (DRA) is a radio antenna mostly used at microwave frequencies and higher, that consists of a block of ceramic material of various shapes, the dielectric resonator, mounted on a metal surface, a ground plane. Dielectric resonator and dielectric resonator antenna are antennas (radio) and radio frequency antenna types.

See Dielectric resonator and Dielectric resonator antenna

Diode

A diode is a two-terminal electronic component that conducts current primarily in one direction (asymmetric conductance).

See Dielectric resonator and Diode

Dissipation factor

In physics, the dissipation factor (DF) is a measure of loss-rate of energy of a mode of oscillation (mechanical, electrical, or electromechanical) in a dissipative system.

See Dielectric resonator and Dissipation factor

Electrical conductor

In physics and electrical engineering, a conductor is an object or type of material that allows the flow of charge (electric current) in one or more directions.

See Dielectric resonator and Electrical conductor

Electrical resistivity and conductivity

Electrical resistivity (also called volume resistivity or specific electrical resistance) is a fundamental specific property of a material that measures its electrical resistance or how strongly it resists electric current.

See Dielectric resonator and Electrical resistivity and conductivity

Electronic oscillator

An electronic oscillator is an electronic circuit that produces a periodic, oscillating or alternating current (AC) signal, usually a sine wave, square wave or a triangle wave, powered by a direct current (DC) source.

See Dielectric resonator and Electronic oscillator

Extremely high frequency

Extremely high frequency is the International Telecommunication Union designation for the band of radio frequencies in the electromagnetic spectrum from 30 to 300 gigahertz (GHz).

See Dielectric resonator and Extremely high frequency

Filter (signal processing)

In signal processing, a filter is a device or process that removes some unwanted components or features from a signal.

See Dielectric resonator and Filter (signal processing)

Frequency

Frequency (symbol f), most often measured in hertz (symbol: Hz), is the number of occurrences of a repeating event per unit of time.

See Dielectric resonator and Frequency

Hertz

The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second.

See Dielectric resonator and Hertz

John William Strutt, 3rd Baron Rayleigh

John William Strutt, 3rd Baron Rayleigh, (12 November 1842 – 30 June 1919) was a British mathematician and physicist who made extensive contributions to science.

See Dielectric resonator and John William Strutt, 3rd Baron Rayleigh

Limiter

In electronics, a limiter is a circuit that allows signals below a specified input power or level to pass unaffected while attenuating (lowering) the peaks of stronger signals that exceed this threshold.

See Dielectric resonator and Limiter

Microwave

Microwave is a form of electromagnetic radiation with wavelengths shorter than other radio waves (as originally discovered) but longer than infrared waves.

See Dielectric resonator and Microwave

Microwave cavity

A microwave cavity or radio frequency cavity (RF cavity) is a special type of resonator, consisting of a closed (or largely closed) metal structure that confines electromagnetic fields in the microwave or RF region of the spectrum.

See Dielectric resonator and Microwave cavity

Oscillation

Oscillation is the repetitive or periodic variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states.

See Dielectric resonator and Oscillation

Permittivity

In electromagnetism, the absolute permittivity, often simply called permittivity and denoted by the Greek letter (epsilon), is a measure of the electric polarizability of a dielectric material.

See Dielectric resonator and Permittivity

Polarizability

Polarizability usually refers to the tendency of matter, when subjected to an electric field, to acquire an electric dipole moment in proportion to that applied field.

See Dielectric resonator and Polarizability

Q factor

In physics and engineering, the quality factor or Q factor is a dimensionless parameter that describes how underdamped an oscillator or resonator is.

See Dielectric resonator and Q factor

Radio wave

Radio waves are a type of electromagnetic radiation with the lowest frequencies and the longest wavelengths in the electromagnetic spectrum, typically with frequencies below 300 gigahertz (GHz) and wavelengths greater than, about the diameter of a grain of rice.

See Dielectric resonator and Radio wave

Relative permittivity

The relative permittivity (in older texts, dielectric constant) is the permittivity of a material expressed as a ratio with the electric permittivity of a vacuum.

See Dielectric resonator and Relative permittivity

Resonance

In physics, resonance refers to a wide class of phenomena that arise as a result of matching temporal or spatial periods of oscillatory objects. Dielectric resonator and resonance are antennas (radio).

See Dielectric resonator and Resonance

Resonator

A resonator is a device or system that exhibits resonance or resonant behavior.

See Dielectric resonator and Resonator

Robert D. Richtmyer

Robert Davis Richtmyer (October 10, 1910 – September 24, 2003) was an American physicist, mathematician, educator, author, and musician.

See Dielectric resonator and Robert D. Richtmyer

Standing wave

In physics, a standing wave, also known as a stationary wave, is a wave that oscillates in time but whose peak amplitude profile does not move in space.

See Dielectric resonator and Standing wave

Transverse mode

A transverse mode of electromagnetic radiation is a particular electromagnetic field pattern of the radiation in the plane perpendicular (i.e., transverse) to the radiation's propagation direction.

See Dielectric resonator and Transverse mode

Waveguide filter

A waveguide filter is an electronic filter constructed with waveguide technology.

See Dielectric resonator and Waveguide filter

World War II

World War II or the Second World War (1 September 1939 – 2 September 1945) was a global conflict between two alliances: the Allies and the Axis powers.

See Dielectric resonator and World War II

YIG sphere

Yttrium iron garnet spheres (YIG spheres) serve as magnetically tunable filters and resonators for microwave frequencies. Dielectric resonator and YIG sphere are Wireless tuning and filtering.

See Dielectric resonator and YIG sphere

See also

Wireless tuning and filtering

References

[1] https://en.wikipedia.org/wiki/Dielectric_resonator

Also known as Dielectric Resonator Oscillator.