In electronics and communications, the periodic signal is represented in the form of DC component and some sinusoidal harmonics. It is necessary to analyze the harmonics present in the signal. So, wave analyzers are used to measure the amplitude of the harmonics in the domain of frequency with the help of tuned filters and voltmeters. The wave analyzer can be tuned to analyze the frequency of the harmonic component of the signal whose amplitude is to be measured. Here is a complete description … [Read more...]

Electricity, communication, entertainment, utility resources (gas), etc. everything is required to be transmitted from one point to another. For transmitting these, there are different type of technologies and transmitting techniques. Electrical power generated at one place is transmitted to consumer point using transmission lines along with required substations. For transmitting power from one point to another point, amplifiers are used to increase the power of signal and are called as … [Read more...]