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Q. Define wireless communications?
The latest wireless communications technology is the personal satellite phone. The coverage is planetary and one can reach anywhere on earth. Examples include the Iridium satellite handset developed byMotorola and others fromthe Teledesic constellation. Special requirements, such as sending and receiving data or faxes, can be handled by the new handheld computer-and-mobile- phone hybrids such as Nokia's 9000i and the Ericsson DI27. Mobile phones with aWeb browser capability are also available. We have yet to see the more exciting new developments in the telecommunications industry with computers, networking, and wireless technology.
What is Capacitor - A capacitor is an electrical device that is used to kept electrical energy. - The unit of capacitance is Farad. The symbol of capacitance is C.
State the postulates of Bohr''s atomic model. Write any three merits and demerits.
4GLs (Fourth Generations Languages) These are called non procedural languages May be considered as advanced HLL. Objects oriented programming languages and language with
Filters 1. You need to design a lowpass filter with cutoff frequency Fc= 1MHz. a. What is the minimum filter order required for 30 dB rejection (-30 dB gain) of 10 MHz? b. What is
The far-field pattern of an antenna can be modeled as the two dimensional Fourier Transform of the aperture. 1. Determine the 2D Fourier Transform for the function
Design : Rather than 100 two-motion selectors as in the case of Design 3, let's consider only 24 two-motion selectors. In the case 24 simultaneous calls can be put through the swi
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Q. Derive the equations of the self bias circuit? A circuit which is used to establish a stable operating point is the self biasing configuration. The circuit is shown in Fig
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