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Q. What do you eman by Digital Circuits?
The use of nonlinear devices (BJT and FET) in constructing linear amplifiers. Although these devices are inherently nonlinear, their operation was confined to the linear portions of their characteristics in order to produce linear amplification of a signal. When these devices are operated in the nonlinear regions of their characteristics, the primary use lies in electronic switches for use in computers and other digital systems. Digital electronic circuits are becoming of increasing importance. Revolutionary advances in integrated-circuit (IC) technology have made it possible to place a large number of switches (gates) on a chip of very small size. Besides the advantage of utilizing less space, another significant advantage of digital systems over analog systems is their inherent immunity to noise and interference.
Digital building blocks (made up of transistor circuits) and computer systems have been presented in Chapter 6. Digital circuits are almost always purchased as ready-made IC building blocks. However, users of digital hardware must decide which technology is best suited for each case because competing technologies known as logic families are available. Digital circuit design is of course of great interest to engineers in the IC industry for designing and building digital blocks. The users of digital technology will certainly benefit from knowing what is inside the blocks they use.
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
Personal safety Power supplies can be very dangerous. This is specifically true of high voltage circuits, but anything over 12 V must be treated as lethal potentially. A po
Charging of the capacitor: Considering the below diagram, with slight approximation the ripple voltage can be supposed as triangular. To the cut-out point from the cut-in poin
For a discrete time unit step input x(kT), the output y(kT) of a system is shown below, Part (a) Obtain the Z-transform of the output signal y(kT). Part (b) F
The manufacturers of the tank described in Problem would like to design another model, with twice the capacity of the one described in figure. The ratio of height to diameter must
If a current of 20A flows for five minutes, find the quantity of electricity transferred. Quantity of electricity, Q = It = 20 x 5 x 60 = 6000C
What is Permeability? Permeability: This is defined as the ability of the material to conduct flux. This is defined as the ratio of magnetic flux 'B' in a medium to the magneti
explain about signal
Q. What is permeability of magnetic material? For magnetic material media, the magnetic flux density B, expressed in tesla (T) or Wb/m 2 , and the field intensity H, expressed
Q The electric ?eld intensity due to a point charge in free space is given to be (-¯ ax -¯ ay +¯ az)/√ 12V/mat (0,0,1) and 6 ¯ az at (2,2,0) Determine the location and the value
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