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show that if n=4, a cell can be split into four smaller cells, each with half the radius and 1/16 of the transmitter power of the original cell. If extensive measurements show that the path loss exponent is three, how should the transmitter power be changed in order to split a cell into four smaller cells? what impact will this have on the cellular geometry?
When we discussed the work of Galvani and Volta, we noted that Galvani's work was not fully appreciated until the development of instruments capable of detecting and amplifying the small biopotentials present in living organisms.
The frequency of a clocking signal is 10MHZ and it is used to sample serial data stream. If the data must be stable for 15ns before the leading clock edge and for 10ns after the leading clock edge, how much time is available to change the data bet..
Draw the ROM truth table for the seven segment
In a two-winding transformer N1 = 2000 and N2 = 500 and the supply voltage V1 = 1200 V. The transformer has winding resistances R1 = 2.0ohm and R2 = 0.125ohm , and leakage reactances X1 = 8.0 and X2 = 0.5ohm
The current density inside a long solid cylindrical wire of radius a is in the direction of central axis and varies linearly with the distance from that axis r according to J=J0 r/a.
A certain lossless transmission line is terminated in a normalized load impedance of ZL,n = 0.5 j2 ohms. Use a Smith Chart to determine the answers to the following questions. Mark the position of the load impedance on the chart and label it ZL.
The equipment works in reception mode, 24 hours a day and throughout the year. About 120 daily Call Ringtone, a median time of 3 min duration each, except Saturdays and Sundays, which are carried out almost no calls are carried out.
The transfer function of a system is given below. Find its impulse response in n-domain. Hint: First expand using partial fraction expansion and then perform its inversion using z-transform tables H(z) = 1/(z-0.5)(z0.5)
A receive earth station has a line loss of 0.1 dB, followed byan amplifier with noise temperature 100 K and gain 50 dB, and areceiver with noise figure 30 dB. What is the equivalent noisetemperature [K] of this cascade of 2-port devices
A natural gas power plant has a condenser that extracts 28,000 Btu/kg of natural gas. Compute the mechanical energy of the turbine and the overall system efficiency
Now, suppose that an initial voltage of 1V is present at the capacitor at zero time (t = 0). Will the behavior of the circuit when a step input is applied still yield an exponential rise or will the behavior be of some other type
Three amplifiers with power gains of 15, 22 and 7 ate cascaded. The input power is 120 micro-W. What is the output power of the final amplifier stage
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