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consider a simple telephone network consisting of two end offices and one intermediate switch with 1MHZ full duplex trunk between each end office and the intermediate switch. the average telephone is used to make four calls per 8hour workday with a mean call duration of 6 min. Ten percent of the calls are long distance. what is the maximum number of telephones an end office can support?
The short-circuit current of silicon p+-N solar cell at room temperature is Isc ≈Iph = 100mA. The technological parameters of the cell are Area A = 4 cm2, ND=5*1016cm-3, μp=380cm2/V.s, Lp=10μm, and ideality factor n≈1.
the transformer is to be connected as an auto transformer to supply a load at 120 V from a 210 V source. What kVA load can be supplied without exceeding the current rating of the windings (assume an ideal transformer for this part)
Reduce the two functions given below and implement them using fewest 8x2 ROM's. Draw a neat labeled diagram showing interconnection between the ROM's address and data lines, and content of each ROM.
Using MATLAB, plot the pole zero map and the Bode plot of the two transfer functions and paste the graphs below. Identify and briefly discuss the differences between the Bode plot of the two transfer functions.
In telecommunication systems, Time-Division Multiplexing and Frequency -Division Multiplexing are used. Give detailed explanations for both systems and give succinct examples for each of them.
Consider a Schottky diode at T=300 K that is formed with Pt qφM=5.3ev 'work function' on n-type silicon.knowing that qX for silicon =4.05ev (a) find the barrier height. (b) Calculate the saturation current.
Needs to oscillate 5 times per second. Amplitude envelope increases 25% every second. Amplitude is 1 at t =0. The derivative at t = 0 is 54.6371. the sinusoid has to be a cos(2*pi*5*t) for the exponential exp(at).
Consider a SISO link with received signal α = hs + n, where h is a zero-mean complex Gaussian random varaible with unit variance, where the power of the data signal s is mathbbE (IsI2) = P, and where n is a zero-mean AWGN scalar with unit variance..
Indicate the magnitude and direction of the shear streses on the bottom of the block and the plate. If the force is removed suddenly and the block begins to slow, sketch the resulting speed versus time curve for the block.
In the presentation, "IT and Smart Grid" the presenter, Dr. Peter Will, provided several definitions of "smart-grid". Provide your definition of smart-grid the way you understand it. What are some of the benefits of "smart grid" application
a 10 pole 25 cycle alternator directly coupled to, and is driven by a 60 cycle synchronous motor. how many poles are there in the latter
Determining the o/p level from an attenuator of know i/p, An attenuator has an attenuation of 10 dB over the frequency range 10 MHz to 1.0 GHz
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