A repeater with additive noise of 48muw and a power gain of
A repeater with additive noise of 48μW and a power gain of 20 dB has 150μW of input signal power and 1.2μW of input noise. Calculate the input SNR, the output SNR, the noise factor, and the noise figure.
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A double convex thin glass lens has equal radii of curvature. The focal length of the lens is +63.5 cm, find The index of refraction of the glass of the plano-convex lens
Two loudspeakers, one of them generates sound 400W power the other with 100W. The sound is generated isotropically from each loudspeaker. A listener is seated 20 m from the 100 W loudspeaker and 40 m from the other loudspeaker.
the vapor pressure of mercury Hg is .00180 mmHg at 77F. if Hg vapor reached equilibrium at this temperature in an enclosed space, what would the concentration of Hg be in the space. Assume normal atmospheric pressure.
Find the total power radiated out into space by the Sun assuming it to be at a temperature of 5500 K and the emissivity is 1
How would the calculated molar mass change(increase,decrease,no change) if the following experimental problems were encountered? explain the reason for your answer. (a)the unknown was impure and only part of the unknown dissolved in the lauric aci
A thin double convex lens is to focus the image of an object onto a screen so that the image is life-sized. What is the distance d from image to screen
The equation of a transverse wave traveling along a very long string is given by y = 6.9 sin(0.025(pi)x + 4.5(pi)t), Determine the transverse displacement
How would you prepare methyl,phenyl,ketone starting with 1-bromobenzene without using a grignard reaction. please show reactants and intermediates
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