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A continuous-time signal x(t)=cos(2πt) is sampled every T seconds, resulting in a discrete-time signal x[n] = x(nT) . Determine whether the sampled signal is periodic and if the signal is periodi
Determine whether the discrete signals below are periodic. If the signal is periodic, determine the number of samples per period. (a) x[n]=cos(πn) (b) x[n]= -3sin(.01πn) (c) x[n]= 1+cos((πn)
Group and phase velocity in uniaxial crystals: a. Derive an expression for the group velocity of the extraordinary wave in a uniaxial crystal as a function of the polar angle of the propagation vec
Suppose a radio frequency signal is sampled at fs = 500 MHz. What frequency bands from 250 MHz to 1000 MHz will alias into the FM band, 88-108 MHz
A 2.0 C charge moves with a velocity of ( 2.0i + 4.0j + 6.0k ) m/s and experiences a magnetic force of ( 4.0i - 20j + 12k ). The x component of the magnetic field is equal to zero. Determine the y
A parallel plate capacitor of capacitance C0 has plates of area ( A ) with a separation ( d ) between them. When it is connected to a battery of voltage ( V0 ) it has charge of magnitude ( Q0 ) on i
A 3.0 μF capacitor is charged to 40 V and a 5.0 μF capacitor charged to 18 V are connected to each other, with the positive plate of each connected to the negative plate of the other. What is
Draw the logic diagram of a four-bit register with four D flip-flops and four 4 X 1 multiplexers with mode selection inputs s1 and s0. The register operates according to he following function table
Design a unity gain first order lowpass digital filter with a 3dB point at Fc=100Hz using Bilinear Transformation. The sampling rate is 1kHz. A first order analog filter is given by Ha(s)=θc/(s
A coaxial cable has an inner conductor of radiua a = 0.8 mm and an outer conductor of radius b = 2.6 mm. The conductors have σc=5.8x10^7 [S/m] uc=uo. ε=ε0 they are separated by
A power amplifier has a gain of 20 dB and an input level of 2 volts. Assuming that the input and output impedances are the same, what is the voltage level at the amplifier output
Design a system that repeatedly computes and outputs the sum of all positive numbers within a 512 word register file A consisting of 32-bit signed numbers.
The first element is located at the origin and the magnitude of the current on each element is: Element 1: i1=d1 (at z=0), Element 2: i2=d2 (at z = quarter wavelength), Element 3: i3=d3 (at z=half w
Identical 4.0-µC charges are placed on the y axis at y = ±4.0 m. Point A is on the x axis at x = +3.0 m. Determine the electric potential of point A ( Relative to zero at the origin)
Points A [at ( 3 , 6 )m] and B [at ( 8, -3 )m] are in a region where the electric field is uniform and given by E= 12i N/C. What is the electric potential difference ( Vb - Va )
A particle ( charge = 50 µC ) moves in a region where the only force on it is an electric force. As the particle moves 25 cm from point A to point B, its kinetic energy increases by 1.5 mJ. De
Your circuit has an input, controlled by a switch, that specifies which of the two names are displayed. For example, 0 displays JOsias and 1 displays KAbimb in Braille. A separate LED will be used t
Capture the following system behavior as an HLSM. The system counts the number of events on a single bit input B and always outputs that number unsigned on a 16-bit output C, which is initially0. An
(a)compute the magnitude response H(w), and phase response of the filter. (b) determine the input-output relation(difference equation) of the filter in the time domain. (c) compute the output of the s
A load consisting of a 480 ohm resistor in parallel with a (5/9) uF capacitor is connected across the terminals of a sinusoidal voltage source, vg, where vg=240cos5000t V. a) What is the peak value
what effect does the diode barrier potential have on the difference between the peak input voltage and the peak output voltage. Explain
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 dev
An IC NMOS transistor has W=100μm, L = 10μm,μnCox= 20μA/V2, VA= 100 V, γ = 1/2 V1/2, Vt0= 1V, and 2φf= 0.6V. calculate the value of Vt at VSB= 4V. Also for VGS=3V and VDS=5V, C
write a VHDL module for the parallel-in, parallel-out right-shift register of figure 12-10 (page 360), but add an active-low asynchronous clear signal ClrN. Do not use individual flip-flops in your