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When carrying out an FFT of a cosine wave whose frequency is 0.1Hz and whose amplitude is unity , explain why the peak amplitude measurement obtained in the range 0.09Hz to 0.11Hz should be 0.5
discuss the flat and segmented memory models and provide an example of how each are used to specify a memory
Are these signals periodic, find their fundamental period T and their fundamental frequency, otherwise prove that they are non-periodic 1) x(t)= 4 cos(12 t+40) + sin(16 t) 2) x(t)=cos4t +3e-j12t
The NF (dB) is defined as 10log(SNRin/SNRout) - in the unit of dB. If we are given the values of SNRin and SNRout in dB unit, how do we calculate NF (dB) in terms of dB, and how do we calculate NF in term of a pure ratio
A 20-m3 tank contains nitrogen at 23 C and 600 kPa. Some nitrogen is allowed to escape until the pressure drops to 400 kPa and the temperature to 20 C. Determine the amount of nitrogen gas that has escaped in kg. How much in this in Kmoles
If the self-imaging planes are 1 cm apart, what is the transverse periodicity of the object. Assume the wavelength of illumination as 1 micron. find the locations of the planes where one can observe contrast reversal.
The output voltage of a voltage amplifier has been found to decrease by 20% when a load resistance of 1 k ohm is connected. What is the value of the amplifier output resistance
at an operating frequency of 300 mhz it is desired to use a section of a loss less 50-omega transmission line
Design and model a car battery charger using PSpice. Suppose that the source is a commercial circuit of 240V AC at 60Hz. The battery to recharge is 12V DC.
Consider a plane wave normally incident on a half-space of copper. If f=1GHz, compute the propagation constant, intrinsic impedance, and skin depth for the conductor. Also compute the reflection and transmission coefficients
We have a 100 volt signal connected through a 300-O resistor to a 300- O transmission line terminated with an open circuit. Find the reflection coefficients at each end and find the evolution of the voltage of the signal on the transmission line
Determine the settings Z1, Z2 & Z3 for the relay at B12.
First as the output stage use a Zener shunt regulator and then replace the Zener shunt regulator with an appropriate IC voltage regulator. Do the SPICE simulation of the whole circuit, which has the Zener shunt regulator as the last stage.
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