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An electronic circuit board with lambda(t) = 0.00021 h^-1 is replaced on failure. What is the probability that the third failure will occur by 10000h? ( hint: if there were 4 0r more failures by 10000h, that also means there were 3 failures by 10000h!)
To understand dierent signal models To be able to model a discrete-time system and design simple signal processing algorithms.
A pn-junction is uniformly doped and has dopant concentration of NA = 4 x10^16 cm-3 in the p-region at 300K. AT zero bias, 20% of the total space charge region (W) is extended in the p-region. Calculate Vbi, ND, W, xn and xp.
1. Write an algorithm to carry out subtraction of two binary numbers (the skeleton was given in the class). Include all the conditions for the given numbers. 2. Write an algorithm to carry out multiplication of two binary numbers using r..
When using current mirrors as current amplifiers, a dc current source is often included on both the input side and the output side of the current mirror. What is the purpose of these dc current sources
A jet engine is modeled as a serial combination of a compressor, an adiabatic constant pressure combustor, and a turbine. Air (considered to have a variable specific heat) is compressed through a compression pressure ratio of 8.25:1
A. Determine the transfer function H(z) for this system. B. Determine the z transform Ys(z) of the step response for this discrete time LTI system using complex domain (not time domain) analysis techniques.
consider a 5 bit binary sequence. A one or zero is equally likely for each bit. Also each bit is statistically independent of the others. Let X be a random variable denoting the number of one in the sequence. Find the density and distribution of X
At a point f in the system, there is an open-circuit fault on phase-a with a voltage across the open-circuit as Vfa , whereas Vfb =Vfc =0. Similar to the calculations of the short-circuit currents by making use of the sequence networks
The amount of three phase power to be delivered in ‘kW' is equal to the total number of letters in your name (first name +last name) and the single phase power is 10% of three phase power. Assume same power factor for both types of loads.
The sampling frequency in a DSP system is fs=8 kHz. Anti-aliasing filter used in the system is the second-order Butterworth filter with cutoff frequency of fc=3.4 kHz. What is the percentage of aliasing level at the frequency f=2.5 kHz
The photoelectric threshold wavelength for Tungsten is 2300 Å. Find the energy in eV of the emitted electrons from the surface by ultraviolet light of wavelength 1800 Å.
What are the essential features of an ideal op amp? Identify the terminals of an op amp. Draw its equivalent circuit. Define virtual ground and what is difference amplifier? Draw its circuit. Define C.M.R.R.
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