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An analogue signal is to be sampled from a transducer with an output voltage range of 0 to 10 volts and operating on a 12-volt power supply.
A waveform v(t) has a Fourier transform which extends over the range -F to +F in the frequency domain.
Given a 16-to-1 Multiplexer, how many of the following are required:Convert the following numbers as indicated.
The tones are pure sinusoids with one at frequencies 8GHz and the other at frequency 8.03GHz,(delta f =0.03GHz).
A company needs to provide sufficient private trunks between two switches to accommodate 90% of call attempts among employees.
Compute a K of the form [ 1 k2] so that (A - BK, C) is unobservable. (I.e., the closed loop system is unobservable).
What bit pattern (after you remove the beginning and ending flags and any stuffed bits) will the receiver pass on for higher level processing?
Let Ki = 10. Use the Routh-Hurwitz criterion to find the range of Kd, and Kp in terms of Kd, so that closed loop stability is achieved.
For the circuit, determine the required values of Rd, R1 and R2 so that the transistor operates in the saturation region with Id=0.5mA.
A PCM system with uniform quantization is used to transmit a speech signal. The bandwidth of the signal is equal to 6 KHz.
You want to produce a report of your movie collection. Which fields would you use, and which would be the data types of each of those fields?
For an urban environment, at 1900MHz, what is the path loss between a base station at 40m height and a mobile at 1.6m height separated by a distance of 5 km?
The band-pass filter has a center frequency fi=|fc - ft| (also known as the intermediate frequency, IF).
Assume feeder lengths = tower heights, and a mobile height of 2m. For the purpose of this exercise, cell with a radius of less than 1 km are acceptable.
A feedback element with a transfer function, H(s), is to be chosen so that the system steady-state error to a unit step input is equal to 0.07.
For the following circuit, find the phasor current Ix.
Suppose you have a 64 gray-level 512x512 image.What is the compression ratio achieved by the BTC with 8x8 sub-blocks?
Compute the Fourier series coefficient of the periodic function shown in the figure and defined as.
Determine the mesh currents ia and ib in the circuit shown.
A resistor, R, was connected to a circuit box as shown. The voltage, v, was measured. The resistor was changed, and the voltage was measured again.
Design a series controller (a PD, PI or PID) so that the following performance specifications are satisfied.
If the unity feedback closes around this G(s) and an input is a unit step r(t) = 1u(t), what is the stead-state error, e_ss, as a function of alpha and K?
An RC series circuit has a voltage source of 10Vac, a resistor of 10ohms, and a capacitor with an impedance of -j10 ohms.
A saturated npn transistor has a base to emitter applied voltage of 0.6V. The collector to emitter voltage is 0.2V. The collector current is 12mA.
Given 100 processors for a computation with 5% of the code that cannot be paralleled, compute the speedup and efficiency.