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Realize the function f(a,b,c,d,e) = Σm(6,7,9,11,12,13,16,17,18,20,21,23,25,28) using a 16-to-1 MUX with control inputs b,c,d, and e. Each data input should be 0,1,a, or a'. Hint: Start with a minterm expansion of F and combine minterms to eliminate a and a' where possible.
What sort of waveform does the input signal have? Is the input signal periodic or non-periodic? If the input waveform is non-periodic, what is its pulse width?
a) What is the total resistance corresponding to 1k-ohm, 4k-ohm , 10k-ohm , 4.7k-ohm resistors connected in series b) What is the total resistance corresponding to 10-ohm , 100-ohm , 1k-ohm , 10k-ohm resistors connected in parallel
1. Calculate the sample values for one period. 2. What is the Nyquist sampling rate for this waveform 3. If the samples are converted to 8 bits, find bits for each sample values. 4. What is the quantization step value and quantization error
A silicon wafer is uniformly doped with 5.5 X 10^16 phosphorus atoms/cm^3 and 4.5 X 10^16 boron atoms/cm^3. a) Find the electron and hole concentrations, the electrons andhole mobilities, and the resistivity of this silicon material at300K.
Design a combinational circuit with four inputs, x,y,w, and z, and four outputs: A, B, C, and D. When the binary input value in decimal is 3,5,6,9,10 or 12, the binary output value is one less than the input value, otherwise it is one greater than..
A p-n junction solar cell has Voc = .5 V and Jsc = 20 mA/cm2. A second cell of same area has Voc = .6V and Jsc = 16 mA/cm2. Assuming both cells obey ideal diode equation find the values of Voc and Jsc when connected in parallel and series
A silica fiber has an outer diameter of 125 micro meter. What is the total volume of silica for a 1-km length? This fiber is wound on a spool whose unloaded diameter is 20 em. The spool height is 10 em. Compute the diameter of the fully loaded spo..
By direct integration find the Laplace transforms and the region of convergence of the following functions
1. design a simple power factor meter to operate from 230v mains. current range=1 to 10 amps. power factor range : 0.4 to 1 2. what is meant by normal mode rejection an A/D converter has 20ms integration time.
An engineering statistician wants to conduct a test to determine if there is a difference in the compression strength of two different manufactures of reinforced concrete columns.
a. build a k-map and obtain a simplified sum-of-products expressionfor F. It is not necessary to derive or show the truth table for F.b. Implement the function using exaclty four 2-input NOr gates. Donot use complemented inputs
Design a low cost white LED based emergency light that turns on when the main supply fails, and turns off when the main supply resumes. The circuit must have its own battery charger. When the battery is fully charged, charging stops automatically.
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