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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
A small house has three windows and two doors. Each window and door has a switch attached such that the contacts close when a door or window opens. Draw a ladder logic diagram that will turn on a li
a- for this modulator a 1-v signal produces a deviation of 20Khz determine the amplitude and phase spectra of s(t) for the modulating signal m(t) = 1.5 cos(2*pi*6*10^4*t) when fc>>fm b- find t
For a modulating signal) x(t)= (t/T) a) Write an expression for the PM modulated signal. b) Write an expression for the FM modulated signal. c) What is the maximum phase deviation of the PM signal
With conditions remaining the same as in part (a), we would like to reduce the relative deadline for T3 to improve the quality of service. What is the shortest deadline that we can choose for task T
Design channel coding performance simulator that compares two channel coding technique X and Y . You can provide pseudocode or block diagram of the simulator.
1) 70 lbs/hr of steam at 300 psia, 500oF passes through a turbine which expands it to a pressure of 30 psia. If the turbine operates with an efficiency of 70%: a) What is the temperature of the ste
what is the difference between the words "rated as 3mA" , and "biased at 5mA" , when talking about a diode what is teh difference between saying " the diode is rated as a 3mA device", and " The di
Determine the eigenvalues of the system: y1'=8y1-y2 y'2=y1+10y2 What is the stability of the critical point lambda(base)1=2+i2, lambda=2-i2, Stable and attractive
Determine the coefficients p, q, and the determinant (delta) of the system: y1'=y1 + 10y2 Y'2=7y1 - 8y2 Based on these values, what is the type and stability of the critical point
You are to specifically find the normalized voltage magnitude values at the load plane and the voltage maxima and minima points on the line and 9 additional points which are spaced at intervals of 0
the length of a short-circuited stub of characteristic impedance Z (OS) =100 ohmns which, upon placement in shunt with the line at the 1 + jbn admittance point, produces impedance matching on the li