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What is the typical bandwidth of a 2-wire telephone line?(a) 20 Hz to 6 KHz(b) 300 Hz to 3.4 KHz(c) 20 Hz to 20 KHz(d) 200 Hz to 6.5 KHzI got this question in an international level competition.My question is based upon Problems of DSBSC topic in chapter Double Sideband Suppressed Carrier Modulation of Analog Communications

Answer»

The correct option is (b) 300 Hz to 3.4 KHz

Explanation: A HELICAL ANTENNA is an antenna made of one or more conducting wires wound in the form of a helix. It produces circular polarization, because of which it is highly USED in radio telemetry. It is mainly used for satellite tracking DUE to its good front to back ratio.



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