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1. Write a C program that displays a count of the seconds that the program has been running in the LCD display on the DE2 board or on the seven-segment displays on the DE1 board. Demonstrate the program on the DE board.
2. Expand the C program in the previous problem to display the elapsed time in hours, minutes, and seconds on the LCD (or seven-segment displays). Have one pushbutton reset the time to zero and another pushbutton start and stop the timer just like a stopwatch.
If the maximum allowable tension is 2000 kg, find the clearance between the conductor and water at a point mid-way between the towers. Weight of conductor is 1 kg/m.
An enhancement-type PMOS transistor has K'p W/L=100μA/V2 and Vt=-2V. If the gate is grounded and the source is connected to +5V, what is the highest that can be applied to the drain while the device operates in saturation
A Si pn junction diode is described by its I-V equation, I?= Is exp (V?/V?) ,where V?=25mV, Is=10-14A . It is desired to derive constant drop and PWL models for the diode assuming an operating current between 1mA and 3mA.
What is the resulting bandwidth? Use the approximate theory developed in the text, as opposed to the tables. Use CAD to plot the input SWR versus frequency.
A second order instrument is required to measure the input signals up to 100Mz with an amplitude inaccuracy of less than 1%. Calculate the natural frequency requirements, if the damping ratios are 0.3 and 0.6 respectively. Determine the phase shif..
A Spring balance is calibrated in an environment at a temperature of 200C and has the following deflection/load characteristic: Load (kg) : 0 1 2 3 Deflection (mm) : 0 20 40 60 It is then used in an environment at a temperature of 300C
Problem: Consider the signal x(t) = 1.5cos(0.15π(t + 1.4)) + 3 cos(0.25π(t - 3)). (a) Sketch the two-sided spectrum for x(t).
Assume that the switch shown in the figure is closed, and calculate the current I, the power factor, and the real, reactive, and apparent power being supplied by the source.
consider a 3λ/4 linear wire antenna which is fed at the center,find : i- the current distribution on the wire. ii- for the input current of .7 Amp, find the loop current (I0) , and the maximum radiated E at r = 1000 m
Develop a table showing the speed of magnetic field rotation in ac machines of 2, 4, 6, 8, 10, 12, and 14 poles operating at 25 Hz. What was the fastest rotational speed available to these early motors?
plot the magnitude and phase (bode plots) of the following transfer function in the frequency range of 0.1 to1000rd/sec. Fs=(s+10)(s+50)/200s2
Do the popular media approve of certain types of relationships and not others? 2. How do the media "define" friendship, love, and family?
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