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Q. What is Digital system components?
The reason that digital systems are so inexpensive and yet so powerful is that they consist of very large numbers of just a few building blocks, repeated in simple ways. In this section we shall deal with some common digital system components, such as decoders, encoders, multiplexers, registers, counters, digital-to-analog (D/A) and analog-to-digital (A/D) converters, memory, and display devices.
Q. A 300-kVA transformer has a core loss of 1.5 kW and a full-load copper loss of 4.5 kW. (a) Calculate its efficiency corresponding to 25, 50, 75, 100, and 125% loads at unity
If a second current carrying conductor is placed near to the first and the corresponding magnetic fields drawn, we can begin to visualise why a force is created between them. If
What are the fundamentals of solid states?
Explain the Limiting the Spectrum This low-pass filter is known an anti-aliasing filter. These filters are originated at the input to most applications. Since they are required
For a helical antenna, the half-power beamwidth and directive gain are given by where C = πD, N = L/S, and S = C tan α,in which α is called the pitch angle, and The
Buffer A buffer is a logic circuit that amplifies the current or power. Basically it is used change the driving capability of a logical circuit. Therefore it is someti
Diffusion Current : The carrier currents are also due to concentration gradients in the doped material which lead to diffusion of carriers from high concentration region to l
what is inductor
It is needed to use a half-wave rectifier for a dc power supply that gives an average dc output voltage of 15 V and a maximum ±1V ripple is permitted. The rectifier feeds a load of
Schottky diodes The schottky diodes have very fast recovery time and low forward drop. The current ratings of these diodes vary from 1A to 300 a and maximum allowable
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