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Consider the signal x(t)=e^-at where a is a positive number. Determine the Fourier Transform of and plot both the magnitude and the phase angle as a function of the frequency.
Consider a thin annulus of charge extending from p = c to p = d and having a charge density ps. Find the electric field on the axis of the annulus. The asix of the annulus runs through its center an
Consider a discrete time LTI system with impulse response given by h[n] = u[n + 2] - 2u[n - 1] + u[n - 4]. A. Determine the transfer function H(z) for this system. B. Determine the z transform Ys(z)
consider a continuos LTI system with step response given by ys(t) = tu(t) - (t - 2)u(t - 2). A. Determine the laplace transform X(s) of the input signal x(t) = u(t). B. Determine the Laplace transfo
An RLC circuit exists, with current flowing counter clockwise through it. R= 5.661 Ohms, L=20.2 mH, and C=157.6?F. Voltage across the capacitor is positioned so that the current meets the positive t
Write an instruction sequence to configure the SCI subsystem for operation with the following parameters: 1500 baud using a 9 MHz Bus Clock, 1 start bit, 9 data bits, 1 stop bit, no loop back, no id
Design a 4 input, 1 output combinational circuit. the input represents a 4-bit number, N = X3X2X1X0, which ranges from 0 to 15. The output, PN is 1 when N represents a Prime Number, otherwise PN is
There is a 3 ohm resistor and a j4 ohm inductor in series with each other, and parallel to the input voltage. There is a 4 ohm resistor, a -j13 ohm capacitor, and a 10 ohm resistor in series, which
According to the TL081 datasheet, the input noise voltage and current of TL08 are 25 nV/ÖHz and 0.01 pA/ÖHz, respectively. Assuming the circuit operates under room temperature, please find
Design a counter that counts according to the sequence 0,5,1,4,2,3 in the ways listed. Provide a state diagram and show how unused states connect to the counting sequence. a. using T-Flip Flops b. u
Explain why a voltage follower implemented with an op-amp is a useful circuit component. Explain how the nature of KCL allows the connection to a single op-amp input of multiple voltage signals, eac
Use Routh- Hurwitz method to determine if the system is stable or unstable. If it is unstable how many poles are in the right half of the s-plane (s^2+2s-5)/(s^3+2s^2-8s+6)
Design a Phase lag controller that will have a phse margin of about 60 degrees (you will need to be within 5 degrees for your design) A. Where are the poles and zeros B. What is the approximate value
The output of the power supply should be a 5 Vdc with no more the 5 mV peak-peak ripple. 3) The output must be galvanically (transformer) isolated from the input, but NO 60 Hz transformers are to be
A wireless service provider has a bandwidth of 120 kHz available which must be allocated for either voice users, or data users, or both. To serve a voice user a channel with bandwidth of 20 kHz is r
a block (m=0.0433 kg) is sitting on a frictionless horizontal surface. The mass is connected to a spring with a spring constant of 24.5 N/m. The block is pulled back released from rest. The maximum
Two skaters are moving towards each other on an ice rink. One skater (m1=45 kg) has a speed of 8.3 m/s towards the right. The other skater (m2=73 kg) has a speed of 4.8 m/s to the left. The skaters
A knight is riding across a 12.0 m uniform drawbridge as shown in the figure. The right end of the bridge is held up by a cable and the left end is supported by a hinge. The mass of the rider and ho
1- Why do we use PWMCTL What does it mean If we have PWMCTL=0x80 What does it mean if we have PWMCTL = 0x00 2- The PWMPER register and PWMDTY registers are 8 bits. What does it mean when we say we are
A linear time-invariant continuous-time system has the impulse response below: h(t) =[cos 2t + 4 sin 2t]u(t) 1. Determine the transfer function H(s) of the system. Use the Laplace transform pairs ta
The surface concentration is fixed at N0=1.8e20/cm^2 when diffusing boron into a uniformly doped n-type substrate. The atomic diffusion constant for boron in Si at the temperature of 950 C is 3.0e-1
A 20kW, 250V, self-excited dc shunt generator is driven at its rated speed of 1200rpm and it is delivering rated power at rated terminal voltage. Its armature-circuit resistance is 0.15-ohm, and the
Two amplifiers are cascaded, one with a voltage gain of 6.02 db and the other with a voltage gain of 12. If 10 mV is measured at the input of the second amplifier, what is the voltage at the input o
A three-phase synchronous generator (Delta-connected) rated at 10KVA, 230 V, has a synchronous reactance of 1.2ohms per phase and an armature resistance of 0.5ohms per phase. (a) Draw the phasor dia
A 20-hp, 250 V shunt-DC motor has an armature circuit of 0.22 ohms and a field resistance of 170 ohms . At a low-load, the speed is 1200 rpm and the armature current is 3 A. At full-load, the curren