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A signal has a period of 1 ms and is sampled at a rate of 128 kHz. If 128 samples are collected, what is the frequency resolution of the resulting FFT? If the number of samples collected increases to 8192 samples, what is the frequency resolution of the resulting FFT?
In a test of a printed circuit board using a random test pattern, an array of 10 bits is equally likely to be 0 or 1. Assume the bits are independent. (a) What is the probability that all bits are 1s (b) What is the probability that all bits are 0s
a. Evaluate X(s) and specify its region of convergence. b. Determine the values of the finite numbers A and t0 such that the Laplace transform G(s) of g(t) = Ae^âˆ'5tu(âˆ't âˆ' t0)
Connect a voltage divider to an output of a DC power supply. Design it to give an output that is 1/3 of the supply voltage. Furthermore, neither the power ratings of the resistors nor the current rating of the supply are to be exceeded.
An insurance company has made you the following retirement offer. If you pay them $100,000 now, you will receive payments of $8000 a year for 10 years. After this they will pay you $9000 a year in perpetuity (for ever).
If the current density on the infinite plane current sheet of Figure 4.2 were directed in the positive y-direction, what would be the directions of the magnetic field adjacent to the current sheet and on either side of it?
Determine the mode words for each 8255 configuration: (a) Mode 0, Ain, Bout, Cin (b) Mode 1, Aout, Bin
Write a program to determine how many from your data set called MYDATA, which is a set of unsigned single-byte numbers, are odd numbers. Save the result in TOTODD at address 0x10 in the data memory.
A sinusoidal modulating waveform of amplitude 4V and frequency 1 kHz is applied to an FM exciter that has a modulator gain of 50 Hz/V. What is the peak frequency deviation. What is the modulation index
It is desired to construct a 64K × 16 RAM from an available RAM chip specified as 16K × 8. Determine the number of RAM chips required for the same.
A rectangular chip has a top surface of 0.5 cm by 2 cm cooled by air at 20 oC with h = 150 W/m2.K. There are also 16 connector pins, 1 mm wide, 0.5 mm thick, 6 mm long and k = 60 W/m.K attached to a circuit board at 30 oC.
Redesign the feedback circuit in given Figure using MOSFETs to provide a voltage gain of Av f = 8 and such that vo = 0 when vi = 0.
Write a program that will find the complete solution for the network of given figure. - That is, given all the parameters of the network, calculate the current, voltage, and power to each element.
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