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The probe band limited signal with fmax= 1Mhz was transmitted during the time T0=2 minutes.a) Find the maximum number of samples (N) that can be sent through the channel during T0 without losing of information.b) Find the sample rate (samples/s)c) If PCM is used to transmit the probe signal in digital format (with μ = 255), how much bits (K) should be sent through the channel during T0 if the S/N ratio required is 20 dB.d) if PCM is used to transmit the probe signal in digital format (with μ = 255), find the bit rate (bits/s) for S/N ratio 20 dB.
The signal transmitted by a Base Station has a power of 1 mW at a distance of 1 m from the transmitter. Measurements have shown that the propagation exponent for the path loss is n=3 up to a distance of 1 km and n=4 beyond that.
The Ic was measured for different values of a load resistance. It was noticed that Ic was pretty much constant for the first 1900 ohms values, but then it suddenly decreased. Why did that happen
A 5 horsepower dc mahine is supplied with 120 V dc and delivers rated power at 1000 rpm. The machine has an efficiency of 80 %. What is the developed torque at the output
Interface TTL logic to 120 VAC lamp. In this part of the lab, you will interface lowpower solid state electronics to the "outside world" by switching the 120 VAC lamp on and off using the AND gate from the previous experiment.
A 1(lambda) wavelength long line has parameter R=0.2 Ohm/m, G=0.002 mho/m, L=15 muH/m and C=2.31pF/m. The line is operated at a frequency f=2.5 GHz. It is terminated with a load impedance of 100 Ohms.
Complete the following table of flip-flop excitation values required to produce the indicated flip-flop state changes, where y indicates the present state and Y the desired next state of the flip-flop.
AC Circit analysis and max power transfer, If the output impedance of a certain driving circuit is 50 Ohm - j10 Ohm, what value of load impedance will result in the maximum power to the load?
Consider the signal x(t)=e^-at where a is a positive number. Determine the Fourier Transform of and plot both the magnitude and the phase angle as a function of the frequency.
A Widlar Current Source is designed to limit the load current to the reference current by using a resistor at the emitter end by:I(load)*R(Emitter)=Vt ln (I(ref)/I(load))=VBE(Ref)-VBE(Load)
Vo(t) = RC (dVi(t)/dt). Suppose you have a triangle waveform as input to the differentiator with 100pF capacitance and 100 Ohms. The peak to peak voltage of the triangle waveform is 10Vpp and its frequency is 100k Hz.
Tones Input In To An Amplifier, Suppose two tones are input in to an amplifier. The tones are pure sinusoids with one at frequencies 8GHz and the other at frequency 8.03GHz,(delta f =0.03GHz).
The data inputs I0 through I7 are wired as follows: I0 = I1 = 0, I2 = I6 = , I3 = I5 = I7 = 1; and I4 = D. (a) Determine the Boolean function that the MUX implements. (b) Implement the function using a 4×1 MUX with minimum extra logic gates.
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