This is the Online Practice Quiz in Wire and Wireless Communications System Part 9 as one of the Communications Engineering topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies, Communications Books, Journals and other Communications References.
Continue Part IX of the Online Practice Quiz
Quiz in Wire and Wireless Communications System
Question 81. Printed documents to be transmitted by fax are converted into baseband electric signal by the process of
Question 82. What is the frequency separation between the transmit and the receive channels?Question 83. What is singing?Question 84. If you find that an SAW filter output is 6 dB down from the input of a receiver during test, ______.Question 85. Cause a herringbone pattern in facsimileQuestion 86. A passive _________ is an electronic device which reduces signal strength by a specified amount in dB.Question 87. The _______ in an FM receiver causes a stronger signal to dominate over a weaker signal on the same frequency.Question 88. A cellular phone operates onQuestion 89. Typical speech powerQuestion 90. What is a two-wire circuit?