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q a satellite radio transmitter has pin 3 w and gt 30 db the receiving antenna has a circular aperture with radius r at the ground station 30000 km
q a signal with bandwidth of 100 mhz is to be transmitted 40 km by los radio transmission taking bfc 130 and using a circular-apertureparabolic dish
q describe the following phasor equations represented in the time domaina macr e k1e-macr gammazb macr e k2e macr gammazwhere z is the space
a now consider a typical open-wire transmission line with parameters of r 14 mi l 46 mhmi c 001 microfmi and g 03times10-6smi if the line
q a source of impedance macr zs rs 100 has an open-circuit voltage vst 125 cos omegaot and drives a 75- transmission line terminated with a 75-
q the cutoff frequency of a dominant mode in an air-lled rectangular waveguide is 3 ghz what would the cutoff frequency be if the same wave - guide
q a what is the difference between a tem mode and a te modeb explain the terms cutoff wavelength and dominant mode as applied to waveguides find the
q comment briey on the followinga why are waveguides not used at low frequenciesb why are open-wire lines not generally used as guiding structures at
q a transmission line with a dielectric epsilonr 35 is 100 m long at a frequency of 10 ghz how many wavelengths long is the
q a transmission line with air dielectric is 25 m long find in wavelengths how long the line is at frequencies of 1 khz 10 mhz and 100
q it is desired to cut a lambda4 length of rg58au cable epsilonr 23 at 150mhzwhat is the physical length of this
q find the diameter of a circular waveguide that will have a lower cutoff frequency of 10 ghz and also specify its largest usable
q an rg-139u rectangular waveguide is given to have dimensions a 08636 mm and b 04318 mm compute the theoretical and practical frequency ranges of
q for an rg-290u aluminum rectangular wave - guide a 5842 cm and b 2921 cm compute the theoretical and practical frequency ranges of operation for
q if the line of problem 1513 is made of copper whose resistivity rho 172times10-8 middotm determine the maximum length that can be used if losses
q if b and a are the radii of the outer and inner conductors respectively of a coaxial cable using a polyethylene dielectric epsilonr 226 what ratio
q a coaxial cable with polyethylene dielectric epsilonr 226 connects an antenna to a receiver 30maway determine the velocity of wave propagation in
analytical methods for pollutants regulated under the clean water actwe suppose that you have knowledge of and access to the relevant analytical
explain branch instruction with control signals and explain shift instruction with control signals explain register transfer languagewhat do you
define npdes sampling requirementsthe sampling needs under npdes are given at 40 cfr part 122 as part of the needs for applying for an npdes
q why timing signal distributor requiredwhat do you mean by memory cycle how many memory cycles required for following instructions1 add 2 clear
define sample collection - clean water actthe collection of the sample is able to have significant effects on the complete analytical process
q explain instruction cycle and execution cycle and also explain instruction counter memory address register and memory buffer
q write short note on interfacing keyboard giving block diagram why do we need to introduce circuitry called keyboard status word
q explain how does cpu perform read and write operation on peripheral device taking suitable example in case of asynchronous technique