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Determine about the Wireless technology
Wireless technology (WiFi) enables connection of a computer to Internet without the need for connecting cables. A router (comprising a modem and external aerial) is connected to a telephone line and it's then possible for any computer within range to communicate with router and allow Internet access -link between router and computer is completely wireless. Main advantage of doing this is clearly portability (which means can go anywhere within range as no wires are needed).
Q. Illustrates typical thermal noise waveform? In general, any physical resistor or lossy device can be modeled by a noise source in series with a noiseless resistor, as shown
Q. Show that any amplifier represented by the model of Figure of the text can also be represented by themore general hybridmodel of Figure. Evaluate the four parameters of the hybr
why we plot graph to find bandwidth is drawn b/w av/avmax v/s frequency not av v/s frequency?
Q. Use (a) mesh analysis and (b) nodal analysis to determine the voltage ¯V at the terminals A-B of Figure.
Consider the following signals, sketch each one of them and comment on the periodic nature: (a) x(t) = A cos(2πf 0 t + θ), where A, f 0 , and θ are the amplitude, frequency, and
Thermal noise This is the most significant noise in an ampli?er. It is produced by random movements of electrons in the resistors. This is caused by the ?uctuations in the volt
What is the difference between the unit step function u(n+4) and the time-scaled function u(2n+8)
Designated Consumers - Features of Energy Conservation The Act gives the list of designated consumers, which involves the energy intensive industries, Railways, Port Trust, Tr
Q. Design the low-pass filter shown in Figure (by determining L) to have a half-power frequency of 10 kHz.
which ckt. Or components using for irregular ac sine wave change into pure sine wave.......
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