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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.
The LM358 op amp can be a single or dual supply op-amp. This mean that it can operate with just a single supply i.e. + 5 volt or with dual supplies i.e. (+ and -) 5 volt supplies. With a inverting configuration with dual supplies (+5v and -5v) bei..
A Two resistor voltage divider consists of a 10k ohm and a 15k ohm resistor, with the 10k ohm resistor connected to the voltage source and the 15k ohm resistor connected to ground. if the output voltage is 2.5V
a. design a half-subtractor circuit with inputs x and y and outputs Diff and B out. the circuit subracts the bits x - y and places thedifference in Diff and the borrow in B out. b. design a full- subtractor circuit with three inputs x,y,B in andtwo..
An absolute optical rotary encoder has five tracks. How many bits is the output, and what is the resolution in degrees per state (that is, degrees per LSB)
C program: counting numbers between 0-9, Write a C program that generates one hundred random integers between 0 and 9 and displays the count for each number.
A network has an input impedance of 120+100j ohm. what is the capacitance that should be placed in parallel with the network to provide an input impadance with a magnitude of 100O at w=1000 rad/s
A portion of the wave will reflect from the load and propagate back down the line to arrive at the input once again. Find the power that returns to the input and express this as a loss in decibels when compared to the original 10W input.
Construct a ladder schematic of a series cirucit with a DC source, overload protection, ground, and a SPST control operating a lamp.
Suppose we have a secret message that is 105 BINARY digits long. What is the smallest power of 2 needed to generate a binary codeword long enough for this message What is the maximum number of binary digits that can be generated with this choice o..
At time zero the system is excited with 0.1Hz cosine wave ofamplitude 2. What is the output amplitude in steady state. How long does the system require toreach the steady state. h(t)=100e -100t +100e -50tsin(50√(3)*t)/√(3) -100e -50tcos(50√(3)*t)
Two small plastic spheres are given positive electrical charges. When they are a distance of 15.6{\rm cm} apart, the repulsive force between them has a magnitude of 0.235{\rm N} .What is the charge on each sphere if the two charges are equal
A 60O lossless line is connected to a source with Vg=10
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