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A TDM link has 20 signal channels and each channel is sampled 8000 times/sec. Each sample is represented by seven binary bits and contains an additional bit for synchronization. what is The total bi
for the polynomal function P(x) = x^2 / 3 + x^2 - 8x + 1 find all relative extrema, the inflection point, the interval on which P is concave down
Is it possible to interface an IC with a different technology such as TTL to HCS12 ports What are the conditions in terms of electrical parameters that need to be satisfied for this purpose
Describe how an ideal inductor reacts to steady state DC and why. State the equation for finding the instanteneous current in an inductor during the transient period. Explain each part
For the function G(x) = x + 32 / x^2 A) Determine the relative minimum of G B) Describe the concavity for all values of x except zero
what is the force to the nearest tenth of a mN on a charge q=0.71micro coulums at the point p a distance of r=0.22 meters and what is the magnitude of the electric field to the nearest tenth of a N/
The electric motors unmanned drones use transformers to produce sufficient current to move the flight surfaces. Due to the weight restrictions of the vehicle, the transformers use a ceramic rather t
A single-phase half-wave rectifier is fed with a triangular signal with period 2 . The maximum positive and negative amplitudes are ± 12 V rms. determine: a) The value of the DC output voltag
y[n]=x[n]+0.8x[n-5000]+0.6x[n-8000] a) Find the delay in seconds for each echo if the sampling rate is Fs=10000 Samp/sec. Td1 and Td2 a) Find the unit sample response for the filter written as
The transfer function of a discrete time system is given by H H(z) = z/(z-0.5) The system has a sampling rate of 100 Hz. Calculate the frequency response of the system at 25 Hz input frequency as
The transfer function of a system is given below. Find its impulse response in n-domain. Hint: First expand using partial fraction expansion and then perform its inversion using z-transform tables H
C=1000 pF R=10 kohms a. Determine A = Vo/Vi at f = fc for the high-pass filter. b. Determine A = Vo/Vi at two octaves above fc. Is the rise in Vo significant from the f = fc level
The scale current Is is proportional to the junction area of a diode. A diode D1 with a rating of 3mA is connected in series with another Diode D2 with a junction area 27 times that of D1. 1) What w
A communications channel has a bandwidth of 2,000 Hz and a signal-to noise-ratio (SNR) of 20 dB. What is the maximum possible data rate
For a 64-PSK modulator with an input data rate(fb) equal to 36 Mbps and a carrier frequency of 100 MHz. A. Determine the minimum double-sided Nyquist bandwidth(fN) and the baud. B. Sketch the output s
A signal consists of only two sinusoids, one of 45 Hz and one of 25 Hz. This signal is sampled at a rate of 160 Hz. Find the first six positive frequencies that will be present in the replicated spe
A system samples a sinusoid of frequency 850 Hz at a rate of 250 Hz and writes the sampled signal to its output without further modification. Determine the frequency that the sampling system will g
What is the minimum number of pins required for a socalled dual-op-amp IC package, one containing two op amps What is the number of pins required for a so-called quad-opamppackage, one containing four
a ladder 61 ft. long is leaning against the side of a house. the base of the ladder is sliding away from the house at a rate of 6 ft/sec. At what rate is the top of the ladder sliding down the house
Find the system transfer function of a causal LSI system whose impulse response is given byh[n] = (-0.5)^n-1 sin[0.5(n-2)]u[n-2] and express the result in positive powers of z. Hint: The transfer f
Find the inverse z-transform, x(n), of the following functions by bringing them into a form such that you can look up the inverse z-transform from the tables. This will require some algebraic and /o
A successive approximation A/D converter with range of 0 to 5 volts and a resolution of 0.05 volts is specified. It will be clocked at 500 KHz. a. Determine the number of bits that must be spe
A parallel A/D is clocked at 1 MHz. It has a range of 0 to 10V and is an 8-bit device. a. Determine the time required to convert an input voltage of 10 volts
a. Express the transfer function in descending powers of s with the coefficients of the highest power of s unity in both the numerator and denominator. b. Determine where the poles and ze
The transfer function of a circuit is given by H(s)= 2s+4/4s^2+2s+2 a. Express the transfer function in a form in which the coefficients of the highest power of s are unity in both numerator