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Q. In an AM transmitter that transmits a total power of 1 kW, the unmodulated carrier power is 850 W. Compute the required value of (Si /Ni )AM at a receiver, if (S0/N0)AM = 2ηAM(Si /Ni )AM must be 103 for good performance.
Q. Practical properties of operational amplifiers? To achieve voltage gain and consequently power gain, the op amp must be biased by a dc source. The biasing network is compris
Examples of attribute data relevant for a power utility: Examples of attribute data relevant for a power utility are given below. • Consumer data such as categor
Experiments conducted by Faraday and others using current carrying coils resulted in 'The Laws of Electromagnetic Induction' which state: 1) 'If the magnetic flux threading throu
Describe in brief the Formation of energy bands in solids and hence explain how it helps to classify the solid in to conductors and insulators. Energy Bands in Solids Acco
First Generation (1946- 1654) In the first generation computer vacuum tubes and valves were used. These computer were very large in size ( thousands of square feet on the fl
A pure sine wave with a frequency of 100Hz is sampled at 150Hz. At which one of the following frequencies would you expect an alias?
Question: General EMC Knowledge (a) Give 2 reasons for the augmentation of electromagnetic radiation in urban regions. (b) Pointe aux Diable bears its name due to the a
A quantizer has 130 quantum levels that exactly span the extremes of a symmetrically ?uctuating message with step size δv = 0.04 V. Determine the following: (a) |f(t)|max.
GIS database: In a nutshell, we could say that the GIS technology integrates general database operations (data query and statistical analysis), along with the unique a
a. Determine the ratio of cross section of a circular waveguide to that of a rectangular one, if each is to have similar cut off wavelength for its dominant mode. b. Compare wav
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