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what is the maximum number of carrier frequencies that would ever be needed so that any arbitrarily partitioned region would never have two adjoining cells that use the same frequency?
A 6-bit A/D converter with a full-scale voltage of 20 V is to be employed in a binary PCM system. The input analog signal is adjusted to cover the range from zero to slightly under 20V, and the converter is connected for unipolar encoding.
a.) find the fourier coefficients of the exponential form b.) find the fourier coefficients of the combined trigonometric form c.) plot both the single sided and double sided amplitude and phase spectra
A plumber is using an electric drill in a basement with a concrete floor.Assume his total body resistance from hands to feet is 1k ohm.The drill has a metal case that is connected to the ground wire in the 3-prong plug.
A 64k x 16 memory uses coincident decoding by splitting theinternal decoder into X-selection and Y-selection. (a) What is the size of each decoder, and how many AND gates arerequired for decoding the address
A 10kW, 230V, 50 Hz, three-phase induction motor has full-loadefficiency of 86%, and power factor of 88%. It is supplied by a three-core cable 100mlong, having conductors of cross sectional area 16 mm^2 andresistivity 17.2nΩ m.
Consider a transmission line with Ro=50-ohm connected to an 850 MHz, 50ohm generator and a load ZL=75 + j10 ohm. Find the input impedance at a distance of 0.2m from the load using a Smith Chart.
The bandwidth of a series resonant circuit is 400 Hz. (a) If the resonant frequency is 4000 Hz, find Q. (b) If R = 10 ohm, what is the value of XL at resonance
Discuss how can identify which resistances are in series and which ones are in parallel in a series-parallel circuit. How might this affect how you measure current and voltages in the circuit with a digital multimeter
A separately excited DC generator rated at 125V has an armature resistance of 0.75 ohms and a no load coltage of 140 VDC. What will the armature voltage will be at rated load
A truncated cone has a height of 50cm. The circular faces on the top and bottom have radii of 20 mm and 1mm, respectively. If the material from which the solid cone is constructed has a conductivity sigma of 2 x 10^6 S/m.
How will the reading of two ammeters compare if they are placed in series in a circuit Will the answer to this question be different if the resistance of the two ammeters is not the same
A person accidentally grabs conductors connected to each endof a dc voltage source, one in each hand.(a) Using the resistance values for human body provided inprevious problem, what is the minimum source voltage that canproduce electrical shock s..
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