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1. A transfer function of a low pass filter may be divided into which three response ranges? Actual response, ideal response, and straight-line response Gain, ripple, and roll-off Pass band, roll-off, and stop band Attenuation, gain, and roll-off
2. What is an alternative to using a higher order anti-aliasing filter in a sampled system?
Oversampling Under sampling Baseband sampling Baseband copying
3. How does the roll-off rate of a low pass filter relate to the order of the filter?
4. What is the purpose of an anti-aliasing filter?
Compute the power levels of the 2nd, 3rd, and 4th harmonics relative to the fundamental output signal for the Class C amplifier. compute the Fourier coefficients for the harmonics of the clipped sinusoid that results from the partial conduction an..
Derive the expression for TRANSFER FUNCTION and write the expression for magnitude and phase of H(f).
Find the noise temperature for a Cal-Amp C-Band 140105-1 low noise block down converters (LNB) for satellite TV. What is their equivalent series input resistance, and what implications does this have for the circuit design
(a) Determine free electron and hole concentration.(b) Calculate the effective density of states at valence band, Nv. Given that ni = 1x1010 cm3 and kT = 0.026.
stochastic message signal, m(t), is transmitted down a (noiseless) cable channel by PCM, using an 8-bit code. If the ambient signal is equally likely to lie anywhere between its two extremes, (+/- mp), calculate the ration of the mean squared sign..
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What is the time response
A battery is charged. The relationship between the charging current, i amperes and the time, t hours passed, is given by the formula:
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What is the BER at the output of the receiver in clear air conditions, and the average time between errors? Give your answer in years, days, or hours as appropriate. Assume an implementation margin of 0.5 dB.
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MOSFET Amplier Sketch the 4-resistor bias network for an amplier with an n-channel enhancement-mode MOSFET, with R1 = 1Mohm ; R2 = 1:5Mohm ; RD = 75kohm ; Rs = 39kohm ; K = 25microA/V2 ; VDD = 10V and Vto = 1V.
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