HORN ANTENNA

The antenna which has the shape of horn is called as ‘Horn Antenna’. Its shape is as because of a waveguide has one end of which is flared out. A waveguide is a hollow metallic tube and in this metallic tube EM waves travels. When the waveguide is excited at one end and open at …

LVDT

LVDT stands for “Linear Variable Differential Transducer“. LVDT is a passive differential inductive transducer. This is a variable inductance displacement transducer. Construction of LVDT It consists of a primary winding and two identical secondary windings. These windings are axially spaced and bound on a cylindrical coil former. A rod-shaped magnetic core is positioned centrally inside …

Operational Amplifier

The popular name of operational amplifier is op-amp. The operational amplifier is an active device used to design circuits that perform useful operations. The main operation of operational amplifier is to generating sine waves or square waves amplifying, combining, integrating, differentiating and removing noise; and transforming alternating current into direct current and vice-versa. Description of …

Transistor

A semiconductor device consisting of two P-N junctions formed by sandwiching, either p-type or n-type semiconductor between a pair of opposite type is known as a transistor. It is a device which transfers a week signal from low resistance circuit to high resistance circuit and is named as transistor. “Trans” means transfer property and “istor” …

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