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1. Two blockers of equal power level appear in the adjacent and alternate adjacent channels of an 11a receiver. If the receiver has a phase noise of -100 dBc/Hz, what is the highest blocker level that allows a signal-to-noise ratio of 30 dB? Neglect other sources of noise.
2. Repeat the above problem for only one blocker in the adjacent channel and compare the results.
Because A-B=A+(-B), the subtraction of signed numbers can be accomplished by adding the complement. Subtract each of the following pairs of 5-bit binary numbers by adding the complement of the subtrahend to the minuend.
What is the time constant associated with this circuit? - Find the corner frequency. - Sketch the Bode magnitude plot of the voltage transfer function.
A two-stage amplifier has these stage gains: Av1 = 25.8 and Av2 = 117. What is the decibel voltage gain of each stage? The total decibel voltage gain?
A three phase generator is connected to a three phase load via a step up three phase transformer, a short three phase transmission line and a step down three phase transformer.
Derive the solution (fields and cutoff frequency) for the lowest order TE mode of this structure. Assume the metal plates are infinitely wide. Can a TEM wave propagate on this structure
Choose transistor sizes to achieve least delay and estimate this delay in Y.
Originally, the voltage is zero over the entire length of the transmission line. At t = 0 the switch closes. Find the voltage waveforms at A and B
A 10-watt signal is connected to a low-pass channel with bandwidth B Hz. If the channel is corrupted by additive whiteGaussian noise (AWGN) with singel-sided power spectral density of10-7 Watts/Hz.
Estimate the equilibrium temperature rise and estimate the time constant - write an expression for the estimated curve (theta as a function of time) using the numerical results obtained in parts a and b.
a. Design a 3 bit combinational circuit 2's complimenter. (the circuit generates the 2's compliment of the input 3-bit binary number). [Show all work leading to the circuit implementation]
Two parallel connected 10 kV to 120 V 60 Hz single phase transformers supply a varying load. When the total secondary load current is 250 A at 0.85 PF lagging, determine the secondary current and operating PF of each transformer.
derive an expression for the maximum allowable amplifier noise figure F, assuming an amplifier gain G and a connecting line loss L. Evaluate this expression for
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