Tag Archives | Electronics

ABNORMAL GLOW DISCHARGE

Higher than normal electric discharge in the gas tube which covers the cathode with visible radiation. Voltage drop decreases with increase of current.

Continue Reading · Comments { 0 }

AC BIAS

Addition of an inaudible high-frequency signal to the audio signal. It increases the signal quality of audio recordings by achieving maximum long-wavelength output and linearity.

Continue Reading · Comments { 0 }

ACCELERATING CHAIN

Acceleration of electrons in the tube or system using the voltage.

Continue Reading · Comments { 0 }

ACCELERATING ELECTRODE

Electrode in different tubes which accelerates the velocity of the electrons by emitting high positive voltage. Also known as accelerating anode.

Continue Reading · Comments { 0 }

ACCELERATING POTENTIAL

The energy potential applied in the electron-beam tube/system to increase the energy of the electrons and accelerate their speed.

Continue Reading · Comments { 0 }

ACCELERATOR

Devices used to accelerate movement of different particles, such as Van de Graaf accelerator, linear particle accelerators, cyclotrons, betatrons...

Continue Reading · Comments { 0 }

ACCELEROMETER

A device that measures vibration, or acceleration of various structures.

Continue Reading · Comments { 0 }

ACCEPTANCE ANGLE

The largest angle at which the guided ray of light can be accepted by the fiber optic cable.

Continue Reading · Comments { 0 }

ACCEPTOR

A dopant atom or trace impurity element that alters electrical or optical properties of the substance. It forms positive hole in semiconductors.

Continue Reading · Comments { 0 }

ACTIVATED CATHODE

A thermionic cathode that consists of a tungsten filament alloyed with thorium. During heating in the absence of an electric field, thorium comes to the surface, resulting in increased thermionic emission.

Continue Reading · Comments { 0 }