Question

Explain the terms (a) Transducer and (b) attenuation in the communication system.

Answer 1

Hint:Any system that transforms one form of energy into another form may be called as a transducer. Loss of signal intensity while propagating through a medium is called attenuation. With a variety of lower loss components, signal attenuation may be minimised at an increased cost rather than minimising the routing duration of the PCB. To obtain a lower dissipation factor, products with lower attenuation are accomplished by a shift in the epoxy in the glass weave.

Complete answer:
a) Transducer: The process through which a transducer transforms energy is known as transduction.The two types of most common transducers are mechanical and electrical transducers. Mechanical transducers are the one transducing physical quantities into mechanical quantities and electrical transducers are the ones transducing physical quantities into electrical quantities.

A sensor is also a part of the transducer. Determining the precise magnitude of physical forces such as temperature, friction etc is very complicated. But if the physical force is translated into an electrical signal, the meaning can be detected quite easily. Thus a transducer is used.

b) Attenuation: The strength of a signal reduces over time while passing through different mediums. This reduction in strength of the signal is known as attenuation. Attenuation may happen to both analog and digital signals. Often referred to as loss attenuation is a common result of long-distance signal propagation. Attenuation generally important for ultrasound and communication is crucial as a function of distance for determining signal power. Attenuation should be reduced to prevent loss of signal. One of the processes to reduce attenuation is amplification. Amplification is the method of raising the magnitude of a variable quantity without altering any other aspect, particularly the magnitude of voltage, power or current.

Note:Transducer is a type of device and attenuation is loss of signal. Transducer is used in ultrasound devices to absorb attenuation. Attenuation is the decrease in power of the light signal as it is emitted. Attenuation is induced by passive media elements, such as wires, cable splices, and connectors.