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The message signal on the input to an ADC is a sinusoid of 25 V peak to peak. Compute the signal-to quantizing-noise power ratio as a function of the word length of the ADC. State any assumptions you make.
Where (in the sequence of subsystems within a communication system) does the line encoder used? Draw a block diagram. Write a sentence or two on what is in the other boxes. What are the two broad parameters associated with an efficient line encoder..
Design a Logic Probe that indicates the logic state of a node of any TTL circuit using two LEDs (a red one, and a green one). The probe must work with the same power of the circuit that you want to analyze: same Vcc and same GND.
Compute the map produced by the SOM algorithm, permitting the neighborhood function around the winning neuron to decay much faster than that normally used. You may have to repeat the experiment several times in order to see a failure of the orderi..
An enhancement type nmos transistor with Vt = .7 V conducts iD= 100 micro A .. when V GS = V DS = 1.2 V . Find the value of i D for V GS = 1.5 V and V DS = 3V . caculate the value of the daain source resistance r DS for small V DS and V GS = 3.2 V
Compute the R, L, G, and C parameters of this line at 1 GHz, and use these results to find the characteristic impedance and attenuation of the line at 1 GHz. Compare your results to the manufacturer's specifications of 50 and 0.43 dB/m, and discus..
A 10-hp, 230 V, 60 Hz, three phase Y- connected, synchronous motor delivers full load at a power factor of 0.707 leading. The synchronous reactance of the motor is j5 Ω per phase. The rotationnal loss is 230W and the field winding loss is 70W.
a beam of polarized light of intesity I0 passes through a sheet of ideal polarizing material. The polarization axis of the beam and the transmission axis of the sheet differ by 30 degrees. What is the intensity of emerging light
Calculate current flow and describe its probable path. Will the breaker likely be tripped? Is there a risk of electrocution? If so what factors contribute to the risk?
Develop a low-pass RC filter to attenuate 0.5 MHz noise by 97%. Specify the critical frequency, values of R and C, and the attenuation of a 400-Hz input signal.
A positron (same mass as electron) moving at .8c collides head on with a stationary electron producing two photons with EQUAL ANGLES relative to the incoming positron. Find the photon energies, wavelengths and angle
For a 32 bit CMOS 5 volt microprocessor that has a 32 bit address bus and a separate 32 bit data bus, and the processor has a 1 nS rise time and 0.5 nH of ground inductance on a board made from glass epoxy material.
Design a second-order banpass filter with center frequency f=10. The gain should be zero at t=0 and t= 8. Select poles at -a ±j10. Explain the influence of a on the frequency response.
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