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A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the voltage level of signals in volts vertically and frequency horizontally. The spectrum of the unknown signal creates the following display:
A vertical line at a frequency of 50 kHz with a magnitude of 1.80 V
A vertical line at a frequency of 100 kHz with a magnitude of 1.272 V
A vertical line at a frequency of 150 kHz with a magnitude of 0.60 Vand additional vertical lines at 200 kHz and 250 kHz with power levels below that at 150 kHz.
a. What is the magnitude and type of the input waveform?
b. Is the input signal periodic or non-periodic?
c. What is the frequency of the input signal?
Saturated and unsaturated synchronous reactance, The following readings are taken from the results of an open- and a short-circuit test on a 9375-kVA three-phase Y-connected
The schematic of the traffic light controller
A certain cache has an access time of 2 nanoseconds and a hit percentage of 95%. If the main memory access time is 8 nanoseconds, what is the average access time for a read operation?
Compute and plot the correlation sequences r s1s2 (l), r s0s0 (l), r s1s0 (l) and r s2s0 (l) . Compute and plot the cross-correlation sequences and of the received signal with the template signals and s 2 (n).
Magnitude bode plot for any given transfer function Can some one teach me an easy way to make a bode plot for any given transfer function magnitude only (not phase).
Write down the expression for the frequency-dependent open-loop gain of an operational amplifier. Sketch the magnitude of the open-loop gain of an operational amplifier as a function of frequency. Explain what is meant by a `single-lag' response o..
What RF bandwidth must the radio link provide if the modulation is binary phase shift keying (BPSK)?
Assuming that ideal filters are available, what is the lowest frequency at which the signal can be sampled and subsequently recovered in its analog form without distortion using a low pass filter?
Draw the logic diagram for the 4-bit circuit, using full adders and multiplexers. Determine the arithmetic operation performed for each of the four combinations of S and Cin: 00, 01, 10, and 11.
Important information about Examination of a digital radio link A. A digital radio link operates at a frequency of 75 MHz and uses ideal RRC filters with nroll off factor r = 0.2 in the transmitter
Use the Z-transform of u[n] and properties of the Z-transform to find X(z). Verify that the expressions obtained above for X(z) are identical.
What is the problem you are investigating and explain the issue, its history, the impact it makes locally
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