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Determine the Fourier series coefficients for the followingdiscrete-time periodic signal. Plot the magnitude and phasefor each set of coefficients ak
x[n] = sin(2πn/3)*cos(πn/2)
A 35-year old female worker receives an x-ray exposure of 5.2 rad (whole-body) while carrying out emergency procedures in a nuclear accident. Discuss the health risks assumed by this worker as a result of the radiation exposure.
In order to eliminate the cost of calling cards, the company in the above problem is considering a new policy that requires blocked callers to redial over and over until they get a trunk.
Design a digital circuit that can be attached to a school bill which can work automatically from 7:00 AM to 12:45 PM, and it has the following features: 1- Rings for 5 seconds. 2- Start ringing 7:00 AM to announce for the field gathering. 3- Rings 7:..
A full wave rectifier has 50 Hz input signal, a peak voltage output VM of 12 V, and an output load resistance of R=10 kOhm. If ripple voltage is to be limited to Vr=0.2 V , determine the required capacitance value.
You are to specifically find the normalized voltage magnitude values at the load plane and the voltage maxima and minima points on the line and 9 additional points which are spaced at intervals of 0.05 ohm from the load plane, i.e., at a total of ..
A 1.8-kW electric heater takes 15 min to boil a quantity of water. If this is done once a day and power costs 10 cents/kWh, what is the cost of its operation for 30 days
The voltage across an element is 12e to the power of -2t . The current entering the positive terminal of the element is 2e to thepower of -2t . Find the energy absorbed by the element in 1.5 s starting from t=0
Use nodal analysis to find VO in the network given below. Identify and label each node otherwise you will lose your marks. Write each step of the calculation to get maximum marks and also mention the units of each derived value.
Design a serial 2's complementer with a shift register and aflip-flop. the binary number is shifted out from one side and its2's complement shifted into the other side of the shift register.
A signal source produces a 4 volt peak-to-peak sinusoid and has a source resistance of 100 ohms. We wish to drive a grounded 10 ohm load to at least 2 volts peak-to-peak with this source. The load cannot tolerate DC. Your amplifier should not burn..
Design a 3-bit synchronous counter that counts the sequence 7, 4, 2, 1, 6, 5, 7, ect. Use "don't-cares" for the "next states" of the unwanted states. Use a D flip flop for the most significant bit, a T flip flop for the middle bit, and a JK flip f..
What is the highest frequency of a triangle wave of 20V peak-to-peak amplitude that can be reproduced by an op amp whose slew rate is 10v/s. For a sine wave of the same frequency.
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