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The T-1 telephone system multiplexes together 24 voice channels. Each voice channel is 4 kHz in bandwidth and is sampled every 1/8000 of a second, or every 125 µs. If the 24 channels are to share the system by time-division multiplexing,
(a) what is the minimum system bandwidth if the voice signal is sampled for PAM?
(b) what is the minimum system bandwidth if the voice signal is sampled for 8-bit binary PCM?
Develop a description of any three types of IC temperature sensors that are commercially available and description of sensors.
a dsp system is given with the following specifications: design requirements: sampling rate 20,000 Hz Maximum allowable gain variation from 0 to 4,000 Hz = 2dB 40dB rejection at the frequency of 16000 Hz
A µ-law compression encoder has: Vi(max) = 8 V, vi(max) = 1V, µ = 255 Determine the output voltage for an input voltage of 2 V.
Design a high pass AC filter that meets the amplitude response of the bode plot in the given image. Use reasonable values for the components. Draw the circuit schematic showing all component values. Draw the bode plot phase response for the design..
In a magnetic storage device, three attempts are made to read data before an error recovery procedure that repostions the magnetic head is used. The error recovery procedure attempts three repositions before an "abort" message is sent to the opera..
Find the coefficients of the natural response using the initial condition from Part 1: vc(0+) = 0 V, ic(0+) = -0.300 A and vL(0+) = 0 V.-Find the coefficients A and A2 using the value of vc(0+) .
For a randomly chosen day, find the unconditional probability that exactly two defectives are observed in the sample.
The output is to be 1 if the input is a valid BCD code. If any other input combination occurs, the output should be 0. Implement the circuit using: a. Any gates available in the lab.
A measurement signal has a frequency less than 1 kHz, but there is unwanted noise at about 1 MHz. Design a low-pass filter that attenuates the noise to 1%. What is the effect on the measurement signal at its maximum of 1 kHz
Draw all force vectors on charge 2 due to every other charge. Label each vector accordingly with two subscripts. Draw the vectors so that the tail of each vector originates on the charge.
Machine A was purchased three years ago for $10,000 and had an estimated market value of $1,700 at the end of its 10-year life. Annual operating costs are $1,350. The machine will perform satisfactorily for the next seven years.
Let the predetection SNR be sufficiently high to en sure that the PLL does not lose lock. Using MATLAB and the histogram routine, plot the estimate of the pdf at the VCO output. Comment on the results.
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