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Discuss these possible reasons, indicating which are the most important: The field is so young; such different needs; there are so many types of systems; and people with widely different backgrounds
given a sequence x(n), where x(0) = 4, x(1) =3, x(2) = 2, and x(3) =1 with the last two data zero-padded as x(4) =0, and x(5) = 0, evaluate its DFT x(k)
1) What is the difference between a continuous spectrum and a line spectrum 2) What is the fundamental difference between a continuous signal and a discrete signal 3) Why are linear time invariant (LT
Consider the best possible heat engine working in air at 25°C. The engine continuously converts heat from a source at 300°C to work, and heat is continuously transferred into the engine at a
Determine the transfer function and difference equation of the designed FIR system, and compute and plot the magnitude frequency response for Omega=0, Pi/4, Pi/2, 3 Pi/4, and Pi radians.
Two transistors, fabricated with the same technology but having different junction areas, when operated at a base-emitter voltage of 0.72 V, have collector currents of 0.2 mA and 12 mA. Find Is for
An npn transistor of a type whose P is specified to range from 60 to 300 is connected in a circuit with emitter grounded, collector at +9 V, and a current of 50 pA injected into the base.
A modulating signal is amplified by a 80% efficiency amplifier before being combined with a 20 kW carrier to generate an AM signal. what would be The required DC input power to the amplifier, for th
The transfer function (TF) of a system is given below. Find its impulse response inn domain. Hint: First multiply the TF by the z-transform of input-or x(z)-or the z-transform of unit impulse. Facto
In a PCM system, the number of quantization levels is 16 and the maximum lsignal frequency is 4 kHz.;what is the bit transmission rate.
Analog data having highest harmonic at 30 kHz generated by a sensor has been digitized using 6 level PCM. What will be the rate of digital signal generated
Four voice signals. each limited to 4 kHz and sampled at Nyquist rate are converted into binary PCM signal using 256 quantization levels. what will be The bit transmission rate for the time-division
In a CD player, the sampling rate is 44.1 kHz and the samples are quantized using a 16-bit/sample quantizer. what is The resulting number of bits for a piece of music with a duration of 50 minutes.
A TDM link has 20 signal channels and each channel is sampled 8000 times/sec. Each sample is represented by seven binary bits and contains an additional bit for synchronization. what is The total bi
for the polynomal function P(x) = x^2 / 3 + x^2 - 8x + 1 find all relative extrema, the inflection point, the interval on which P is concave down
Is it possible to interface an IC with a different technology such as TTL to HCS12 ports What are the conditions in terms of electrical parameters that need to be satisfied for this purpose
Describe how an ideal inductor reacts to steady state DC and why. State the equation for finding the instanteneous current in an inductor during the transient period. Explain each part
For the function G(x) = x + 32 / x^2 A) Determine the relative minimum of G B) Describe the concavity for all values of x except zero
what is the force to the nearest tenth of a mN on a charge q=0.71micro coulums at the point p a distance of r=0.22 meters and what is the magnitude of the electric field to the nearest tenth of a N/
The electric motors unmanned drones use transformers to produce sufficient current to move the flight surfaces. Due to the weight restrictions of the vehicle, the transformers use a ceramic rather t
A single-phase half-wave rectifier is fed with a triangular signal with period 2 . The maximum positive and negative amplitudes are ± 12 V rms. determine: a) The value of the DC output voltag
y[n]=x[n]+0.8x[n-5000]+0.6x[n-8000] a) Find the delay in seconds for each echo if the sampling rate is Fs=10000 Samp/sec. Td1 and Td2 a) Find the unit sample response for the filter written as
The transfer function of a discrete time system is given by H H(z) = z/(z-0.5) The system has a sampling rate of 100 Hz. Calculate the frequency response of the system at 25 Hz input frequency as
The transfer function of a system is given below. Find its impulse response in n-domain. Hint: First expand using partial fraction expansion and then perform its inversion using z-transform tables H
C=1000 pF R=10 kohms a. Determine A = Vo/Vi at f = fc for the high-pass filter. b. Determine A = Vo/Vi at two octaves above fc. Is the rise in Vo significant from the f = fc level