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Determine the minimum number of bits required in a PCM code for a dynamic range of 80 dB. What is the coding efficiency?
How a transformer works and apply those rules to a transformer where the primary core cross-sectional area is twice.
Explain Capacitance of parallel plates capacitor, Relative permitivity is 500, The area is one square meter, The distance between the plates is 0.001 meters
A substance expands from V1 = 1 ft3 to V2 = 6 ft3 in a constant-pressure process at 100 lbf/in2. The initial and final internal energies are U1 = 40 Btu and U2 = 20 Btu, respectively.
Write a C program for the 68HCS12 microcontroller to send the pattern 0x55 to byte-sized Memory Location "OUT1" and then call a delay function. The delay function should generate a delay of two milliseconds.
For the LCD configured in 8-bit mode, describe the signal conditions for CSB, E, RS, R/W~, and the data bits (D7 thru D0) needed to write the letter character ‘A' from the microcontroller into the LCD module.
calculate the convolution (x1[x]*x2[k]) for the following pairs of sequences: a-) x1[k]=u[k+3]-u[k-2] and x2[k]=u[k+5]-u[k-4] b-) x1[k]=0.5^k u[k] and x2[k]=cos Pi*k u[-k]
A DC motor is rated at 230V, 27.5A at normal full load. It turns at 1750rpm under rated conditions. It has total armature resistance of 0803 ohms, and it is desired to hold its maximum starting current to 150% of normal full-load current.
A certain cache has an access time of 2 nanoseconds and a hit percentage of 95%. If the main memory access time is 8 nanoseconds, what is the average access time for a read operation?
The waveform output by the signal generator in part (b) is changed so that the rectangular pulses have the same width but no longer are periodic. They occur at random intervals of time. Explain in words how the display on the spectrum screen would..
What effect do internal capacitances in the transistor model have on practical performance of a real system? How would you use these model values to predict system performance?
Suppose you want to build a simple RS flip-flop that is set and reset by negativegoing pulses. All you have are two 2-input AND's and two 2-input NOR's. Show how you would build this odd circuit from the available material.
Determine the periods and find exponential fourier series coeffecients of functions. A.) f(t) = 2(cost)(cos2t) B.) g(t) = 3 + 2e^-j2t + 2e^j2t + 2cos4t C.) h(t) = 4
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