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A cellular base station is to be connected to its Mobile Telephone Switching Office located 5 km away. Two possibilities are to be evaluated:
(1) a radio link operating at 28 GHz, with Gt = Gr = 25 dB, and
(2) a wired link using coaxial line having an attenuation of 0.05 dB/m, with four 30 dB repeater amplifiers along the line. If the minimum required received power level for both cases is the same, which option will require the smallest transmit power?
Can you write a part of project which is about developing a schedule of power substation on primavera (P6), focusing on the Changes that will happen based on the following:
A 3-element uniform linear array with inter-element spacing of λ/2 is operated as a broadside array ,find the directions of null radiation , find the direction and the relative level of the side lobe .
Use appropriate parameter passing and return mechanisms. Use appropriate datatypes. For example, with inputs of 4 quarts and 4 pints, the result would be 1.5 gallons. Use proper code formatting techniques. Do not write a main routine. Your functio..
After t = 0, the current entering the positive terminal of a flashlight bulb is given by: i(t) = 2(1 - e^ -10t) A and voltage given by: v(t) = 12e^-10t V Determine the maximum power delivered to the flashlight.
A series connected DC motor has R_F + R_A = 11.5 ohm and draws 1 A of current from a DC voltage source with V_T = 18 V while running at 1000 rpm. What is the speed and developed torque when drawing 0.75 A of current
How many moving parts a transformer has. From which material Transformer cores are made. What is the working principle of a transformer. What are the properties of an ideal transformer. When is the transformer at load. What are the losses in Transfor..
a)solve Laplace's equation in the dielectric region between the inner and outer conductors to find the potential V(r) in the region a
The junction capacitance of a silicon pn junction is 1.83 pF at T = 300 K when the anode and cathode are held at the same voltage. The concentration of donor atoms in the n-region of the junction is 1016 cm ^-3
AnNMOS operating in triode region with Vds=0.1V conducts 60μA forVgs=2V. The device conducts 160μA for Vgs=4V. Calculate Vt. IfKn'=25μA/V2 , what is the device W/L What current would flow for Vgs=3V and Vds=0.15V
1 Determine the inductive reactance (in ohms) of a 2 mH coil for: a-DC b-60Hz c-4Khz d-1.2MHz 2 Determine the frequency at which a 1mh inductance has the following inductive reactances: a-10-ohm b-4k-ohm c-12k-ohm
Realize each of the following functions as a minimum two-level NAND-gate circuit and as a minimum two-level NOR-gate circuit. (a) F(A,B,C,D) = BD′ + B′CD + A′BC + A′BC′D + B′D′
The strength of longitudinal joint in Fig. 1-17 is 33 kips/ft, whereas for the girth is 16 kips/ft. Calculate the maximum diameter of the cylinder tank if the internal pressure is 150 psi.
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