Top Telecom AllOther Interview Questions :: ALLInterview.com http://www.allinterview.com Top Telecom AllOther Interview Questions en-us Describe an impedance matching circuit? http://www.allinterview.com/showanswers/16511.html Impedence Matching: Impedance Matching is nothing but in a network source to load maximum power can be transfered it is called impedance matching Describe VSWR? http://www.allinterview.com/showanswers/16508.html It is voltage standing wave ratio. It is the ratio of max voltage to the min voltage along the transmission line. What is noise figure? http://www.allinterview.com/showanswers/16507.html It is the ratio of o/p signal to noise ratio to the i/p signal to noise ratio. What is the relation between dB and change of signal? http://www.allinterview.com/showanswers/16503.html +3 dB is 2 times bigger, +10 dB is 10 times bigger. What is a superheterodyne receiver? http://www.allinterview.com/showanswers/16504.html a superhetrodyne receiver is one which has same carrier frequency as the transmitter otherwise the original signal recovery will not be possible. Describe circular polarization? http://www.allinterview.com/showanswers/16510.html What are mixers used for? http://www.allinterview.com/showanswers/16506.html Define Thermal impedance? http://www.allinterview.com/showanswers/16502.html What Are the different filter types ? http://www.allinterview.com/showanswers/16505.html What= is the 911 point? http://www.allinterview.com/showanswers/16509.html