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Construct a random signal by adding 20 sinusoids each having a random amplitude equally likely to take on a value between 0 and 1, a random phase equally likely to take on a value between 0 and , and frequency equally likely to take on a value between and . Sample this signal at the rate higher than the Nyquist Sampling rate. Use the samples of the signal to modulate the amplitude of narrow width rectangular pulses. Obtain the spectrum of this signal and show that a low pass filter can recovers the original signal. Use bandpass filter to extract the component of the sampled signal centered at 3 times the sampling frequency. Show the output in the time domain. (It should look like a DSB SC AM signal.) Additionally, using the random signal generated, create a pulse width modulated signal. Large message positive amplitudes should translate into wider pulses and very negative message amplitudes should translate into narrow pulse widths. Clearly a zero message amplitude should translate to a 50% duty cycle pulse.
Discuss the differences between series and parallel circuits. What are some advantages and disadvantages of each type Discuss why the total power equals the sum of the individual values of power, whether a series circuit or a parallel circuit is u..
The car lead-acid battery has generally 12 V output voltage, and its internal resistance is so small that can be neglected. When starting the engine, the current of 462 A is flowing from the battery to supply the "car starter"
Design an EKG amplifier interface to a 6811/6812. The biopotential is a ±5-mV signal measured between the left and right arms using silver-silver chloride electrodes. A third electrode is placed in the right leg and is used as a reference.
Suppose we had connected at the input to channel 0 a circuit of the type that attenuates all frequencies above 50 Hz at a rate of 6 dB/octave. What will we then see in the output when we apply 4960 Hz at the input
Design a garage door controller using PLC Ladder Diagram (RSLOGIX 500 PLC SIMULATOR). The behavior of the garage door controller is as follows there is a single button in the garage, and a single button remote control.
Suppose atT0 an 8-bit serial in / parallel out right shiftregister is set to value 11011010, and we want to shift in the data11101101. Show the contents of the register for each clock pulse upto next five clock pulses.
A chip design company comes up with a new 4-stage pipelined design to execute instructions such that stage s1 takes 30 ns, s2 takes 30 ns, s3 takes 50 ns and s4 takes 30 ns of processing time.
An urn contains 4 red balls and 2 black balls. Two balls are chosen at random and without replacement. What is the probability of obtaining one red ball and one black ball in any order Verify your results by enumerating all possibilities using a c..
a) What are the key observations of nerve growth in an electric field and what are the conditions (field strength, duration, treatment protocols) for electric fields that promote nerve growth
At this bias current, what are the maximum and minimum currents that the MOSFET will be conducting (at the positive and negative peaks of the output sine wave). What must the peak amplitude of vsig be.
An output pulse of 5μs duration is to be generated by a 74LS122 one-shot. Using a capacitor of 10,000 pF, determine the value of external resistance required.
how many different values may any base 9 digit have What is the highest value allowedf for any base 9 digit
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