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Design a BJT mixer with conversion gain of 10dB for an IF load of 1 kohm and a LO amplitude of 10 mV. The RF frequency should be 707 KHz and the IF frequency should be 455 KHz. Hint: calculate the bias components for a VCC of 9 V. Also use a parallel LC resonator tuned to the IF frequency as your emitter load.
Let the random variable X denote the annual snow fall amount at a well known Utah ski resort. X has a normal distribution with mean 500 inches and standard deviation 50 inches. (a) What is the probability that in a given year the snow fall will be ..
The surface of the sun has a temperature of 6000 K. Calculate the wavelength at which the sun emits its peak radiancy.
Solve for x1 and x2 in the system of equations given by x2 -3x1 + 1.9 = 0: x2 + x12 - 1.8 = 0 by Gauss method with an initial guess of x1 = 1 and x2 = 1
What is bit rate of the transmission on the twisted pair? If the digital outputs of three identical video cameras are combined onto a single cable using time division multiplexing, what is the bit rate on the cable?
Find the electric potential at point (0,0,z) resulting from a surface charge density ps existing on the z=0 plane from p = a to p = b. Assume V = 0 at an infinite point distance from the origin.
Consider a SISO link with received signal α = hs + n, where h is a zero-mean complex Gaussian random varaible with unit variance, where the power of the data signal s is mathbbE (IsI2) = P, and where n is a zero-mean AWGN scalar with unit variance..
We want to sample the 2-D continuous signal f(x,y)=exp{-\(pi(x^{2}+y^{2})\)} by means of a rectangular sampling scheme to obtain 1.5 samples per millimeter. Determine the PSF h(x,y) of an ideal low pass anti aliasing filter
The following functions describe the oscillations in electric circuits and the vibrations of machines and structures. Plot these functions on the same plot. Because they are similar decide how best to plot and label them to avoid confusion.
There are three different beams and they asked us to choose which beam would you use to build an object that incurs high stress. Should I choose the beam with the lowest deflection or with the highest deflection
a) If the internal resistance of a voltmeter is 100x bigger than the output impedance of a circuit, what is the loading error b) If the internal resistance of an ammeter is 10x smaller than the output impedance of a circuit
To digitally manipulate information we must encode it using binary numbers. Consider an encoding for playing cards. There are 52 cards in a deck and they are divided
DC supply=18v Motor Noload speed=9,000RPM 018V ton=40% -60% in 10ms in 5 steps a) Calculate B for each of the 5 steps b) calculate Vavrage over 10ms c)calculate no load speed d)draw a linear graph including the 5 steps over 10ms
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