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A 32 channel TDM system samples messages at 8000 samples per second, uses 2 bits for frame synchronization and 8 bits per sample.
1. What must be the highest frequency in the message spectrum to guarantee perfect recovery of the original signal?
2. What is the sampling period?
3. What is the bit time?
4. What is the bit rate of that system?
5. What is the time allotted to each channel?
An AC signal has a peak value of 100 V and a frequency of 60 Hz. If the voltage crosses zero in a rising direction at t=0 seconds, what is the instantaneous voltage at t = 0.004167
discuss to describe as best as possible an automatic garage door opener system. You should either use one you are familiar with as an example, or recall the details from one or more that you imagine could be available
Consider cold windy breeze parallel to your face, with an average facial dimension along the flow of 5 cm. The air velocity is 1 m/s (corresponding to 2.2 miles per hour). Assume laminar flow. 1) Calculate the thickness of the velocity boundary la..
trace how the electrons and holes move through the device under the two different biasing conditions. Explain how these three devices work in terms of holes and electrons.
Describe in you own words how a modem works and what steps the data goes through to be sent from one terminal to another via modem.
Design four by four combinational binary multiplier using hierarchical design method, use switches as inputs, use LEDs as outputs, download design on FPGA and show your demo. You must design this part in VHDL.
a- for this modulator a 1-v signal produces a deviation of 20Khz determine the amplitude and phase spectra of s(t) for the modulating signal m(t) = 1.5 cos(2*pi*6*10^4*t) when fc>>fm b- find the bandwidth of the modulated signal using carson's rule..
Design a counter to count even numbers between 0 and 15. Therefore states will be 0 -> 2 -> 4 -> 6 -> 8 -> 10 -> 12 -> 14 -> 0. If any unused state is encountered bewteen 0 and 7, then the counter should go back to initial state 0.
A circuit is required in order to control a network of switches. The circuit has four inputs: three of the switches are normal on/off switches while the fourth switch is an enable switch for the entire circuit. The circuit should have the followin..
Consider the circuit in Figure P16.73. (a) Determine the value of Y for I†=2.5V and (i) A=B=0; (ii) A=0, B=2.5V; (iii) A=2.5V, B=0;and(iv) A=B=2.5V.(b)Repeatpart(a)forφ=0.(c)Whatis the logic function implemented by the circuit
open a savings account to save retirement. Every month you put $100 into a savings account which pays 8% interest compounded monthly. At the end of each year you receive a $500 bonus which you place directly into your retirement fund
A 100 Hz electromagnetic wave is propagating down into the sea water with an electric feld intensity of |E| = 1 V /m just beneath the sea surface. a. What is |E| at a depth of 100 m b. What is the time-average Poynting power density just beneath t..
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