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Pulse Modulation

Pulse Modulation: Pulse modulation may be used to transmit analog information, such as continuous speech or data. It is a system in which continuous waveforms are sampled at regular intervals.…

Data Logger Summary

Data Logger Summary: In general, a data logger is a comprehensive and highly advanced Data Logger Summary. It is made versatile and flexible, to render it suitable for widely varying…

Radio Frequency Modulation: Radio Frequency Modulation - The simplest method of measuring frequency deviation utilises an FM receiver with a BFO as the measuring instrument. The only coupling used is…

Vector Impedance Meter (Direct Reading)

Vector Impedance Meter (Direct Reading): If some knowledge of the reactive and resistive factors is needed, in addition to obtaining a direct reading of the magnitude of the impedance (Z),…

Color Bar Generator

Color Bar Generator: The composite video signal at the output of a video detector consists of luminance Y signals, the chrominance signal, the color burst, sync pulses and blanking pulses.…

Vertical Amplifier

Vertical Amplifier: The sensitivity (gain) and frequency bandwidth (B.W.) response characteristics of the oscilloscope are mainly determined by the vertical amplifier. Since the gain B.W. product is constant, to obtain…

Voltage Stability Analysis

Voltage Stability Analysis: The voltage stability analysis for a given system state involves examining following two aspects. Proximity to voltage instability: Distance to instability may be measured in terms of…

Types of Facts Controllers in Power System

Types of Facts Controllers in Power System: The development of FACTS controllers has followed two different approaches. The first approach employs reactive impedances or a tap changing transformer with thyristor…