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- Telecom and Broadcasting Laws (C13 Past Board: Excel)ECE Board Exam April 2001When is coordination with the telephone company needed when an underground service entrance will be used as the most feasible and economical way?Decision of depth of conduit at interconnection pointECE Board Exam November 200...
- Broadcasting (Chapter 12 Past Board: Excel)ECE Board Exam April 2001 A type of radio station in broadcast service that converts channel frequency of one station to another channel for purposes of rebroadcasting. TranslatorECE Board Exam November 2000How would you best describe an exampl...
- Fiber Optics (Chapter 11: Past Board Excel)ECE Board Exam April 2001Which of the following refers to the relative refractive index difference of single mode fibers?0.1 - 0.3 %ECE Board Exam November 2000A parameter of light beam that do not change the quality when it enters one medium from an...
- Satellite Communications (Chapter 10: Past Board Exce)ECE Board Exam April 2001What balance the gravitational pull of the earth to allow the satellite to stay on its orbit?Centripetal forceECE Board Exam November 2000Satellite that rotates around the earth in a low-altitude elliptical or circular patter...
- Microwave Communications (Chapter 9: Past Board Excel)ECE Board Exam April 2001Which of the following will you avoid in the construction of a microwave station?Long horizontal runsECE Board Exam November 2000Radio frequency where waveguides are not used extensively.150 MHzECE Board Exam April 2000Term u...
- Wire and Wireless Communications (C7 Pastboard: Excel)ECE Board Exam April 2001A duration of traffic path occupancy from a call, sometimes referred to as an average duration of occupancy of one or more path from calls.Holding timeECE Board Exam November 2000Frequency band where Total Access Communicatio...
- Digital and Data Comunications (C8 Past Board: Excel)ECE Board Exam April 2001Determine from the following, the term used to described the ratio of transmission rate to its minimum bandwidth which is also used to compare the performance of one digital modulation technique to another.Information capacit...
- Antennas 2/2 (C6 Past board: Excel)CONTINUATION............ECE Board Exam November 1999Which of the following is taken as the standard reference antenna for directive gain?IsotropicECE Board Exam April 1998Best description of a collinear and broadside antenna radiation patternBidirect...
- Antennas 1/2 (C6 Past board: Excel)ECE Board Exam April 2000In the study of antenna for radio communications, what very good reason can you conclude why hertz antenna is not recommended in frequencies higher than 2.5 MHz?Physical dimension is too largeECE Board Exam November 2000Which...
- Radiation and Wave Propagation (C5 Past board: Excel)ECE Board Exam April 2001When the electric field is perpendicular to the surface of the earth, what is the polarization of the electromagnetic wave?VerticalECE Board Exam November 2000At what angle would you find the propagation direction in an xy pl...
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