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Compare the noise floor in dBm with the GSM system (BW= 200 kHz) used by the European cell standards (available today in the US thru the AT&T acquired from the Cingular systems) assuming the same noise figure (NF) of 10 dB for the same receivers.
Two bar magnets are placed in a straight line with their morth poles 5 cm apart. (a) what is the force of repulsion if M1=25.1*10^-5 Wb and M2=6.28*10^-5 Wb. (b) what is the field intensity at the M2 north pole as a result of the M1 north pole.
Consider an LTI system with impusle response h(t) = e^(-.2t)*(u(t-1)-u(tt-8)) a) plot h(t - tau) for various values, make sure you show how the parameter t influences the position of the curve in the graph. b)Find the output y when the input is x(t) ..
A circular polarized wave in air is incident on glass surface. The angle of incidence equals the Brewster angle. Refractive index of glass, n(glass) is 1.35. Find the following quantities: 1) The Brewster angle. 2) The angle of refraction 2.
A 100 mile , 300kV, 60Hz transmission line has a reactance of 0.8 ohm per mile and a distributed capacitance of 200,000 ohms per mile. Draw a equivalent circuit phase at the sender end when the receiver is open. What is the reactive power supplied..
Sitting in front of you is a box; you cannot see iside the box. The box has a power cord that is plugged into a working wall socket. There is a wire coming out of the box; the end of the wire outside the box is exposed (not insulated) and is not c..
Given transfer function of dynamic system: T(s)= (2s^2 + 2s + 3) / (s^3 + 4s^2 + 6s + 10). write down state equation and output equation in Controllable Canonical Form and in Observable Canonical Form.
Using the message signal m(t) = 1/(1+t^2) , determine and sketch the modulated signals for the following methods of modulation: (c) SSB modulation with only the upper sideband transmitted. (d) SSB modulation with only the lower sideband transmitted.
A container having a volume of 0.2 m3 contains nitrogen at a pressure of 100 kPa and a temperature of 15°C. If 0.2 kg of nitrogen is pumped into this container, calculate the final pressure after the gas has returned to its initial temperature.
Calculate the parameters RE and XE, and the maximum efficiency and power output for the transformer when a load with a 90% lagging power factor is connected to the transformer secondary winding.
Convert both numbers to 4-bit values, take the 2's complement of 9 and add them. What happens to the carry out How does that compare with what happens when you subtract 8 from 9
Two charged, parallel, flat conducting surfaces are spaced d = 2.10 cm apart and produce a potential difference ΔV = 500 V between them. An electron is projected from one surface directly toward the second.
The value of the capacitor from the high-voltage terminal to the tap point is 0.005µF. The tap point voltage is 4 kV. What is the value of the capacitor connected between the tap point and the ground terminal. What is the value of the tuning induc..
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