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Q. Explain the basic principle of linear sweep voltage generator
A linear time base generator or sweep generator is one that provides an output waveform, a portion of which exhibits a linear variation of voltage or current with time. The voltage - time base circuit finds a major application in CRO. Among several methods to achieve sweep linearity, the Miller circuit and Bootstrap circuit are commonly used. In the Miller circuit, an operational integrator is used to convert a step into a ramp waveform. In the Bootstrap circuit, a constant current is approximated by maintaining nearly constant voltage across a fixed resistor in series with a capacitor.
What is the effect of overheating on the life of an electric insulator? An insulator is designed to withstand amount of heat. However, when an insulator is overheated so dielec
Define Series VAr Compensation? For very long transmission lines, the inductive reactance of the line becomes so high that not much power can be transmitted through the line, s
P N P
Control Strategies Equation shows that output voltage V0 can be controlled through α and this duty cycle α can be varied by various strategies which are as follows.
CONCLUSION IN BRIEF OF SUPERPOSITION IN ASSIGNMENT
Q. Input offset current of operational amplifier? The adverse effect of the input bias current mentioned would be nulli?ed if both inputs were connected to equal resistances (o
In an electron microscope, a beam of electrons is produced by a device called an electron gun. In the electron gun, electrons are 'boiled off' from a heated filament (which is the
A 3 phase 400 volt(line to line) wye connected synchronous motor has Xs= 1 ohm per phase and a negligible armature resistance. The field current is so adjusted that the internal(in
Q. The inductance per unit length in H/m for parallel-plate infinitely long conductors in air is given by L = µ 0 d/w = 4π×10 -7 d/w, where d and w are inmeters. Compute L (per un
Q. Single-axis autopilot control system of an aircraft? Figure (a) shows the block diagram of a simplified single-axis (pitch, yaw, or roll) autopilot control systemwith digita
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