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Attenuation of received power with change in transmission frequency and distance between the antennas
How much would be the attenuation of the power received, if transmission frequency is tripled or if the distance between transmitting antenna and receiving antenna is tripled?
a) 24 dBb) 20 dBc) 10 dBd) 16 dB
Optimum length of the antenna to receive the FM station, An FM radio station transmits at a frequency of 99.9 MHz. A radio receiver has an antenna that is a quarter wavelength monopole consisting of a telescoping rod
A unit for a telecommunications system is to be designed so as to have a minimum availability of 0.9994. The MTTR (mean time to repair) for the unit is estimated to be 24 hours.
Resisitive load, A 4:1 step down transformer uses a 60Vac source on the primary windings.
In a typical mobile communications base station (or cell site), a radio frequency (RF) signal is amplified in the base station and then sent (over cable) to the antennas at the top of the tower.
Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
A microwave system requires a +4-dBm audio level to provide 100% modulation. Determine the voltage level required if this is a 600 ohm audio system.
Interpret manufacturer's data sheet to select appropriate combinational logic devices for specific purposes
Explain the function of the HMI in a SCADA system.
Analysis of link budget DTH QPSK Satellite link, A direct-to-home satellite television system uses a geostationary satellite in orbit above the equator at a longitude of 109 degrees west.
If you have an M/M/Infinity system with arrival rate lambda and service rate mu(µ), how would you show that the expected number of packets in the queue is equal
Write an assembly code segment that calls the subroutine New Function if bits 5 and 6 of PORTD equal 1. Write the same code segment in part (a) using structured assembly constructs.
In this project we will consider the control of a synchronous generator supplying electricity to the grid.
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