The external RF components must be provided with ____ for effective control of parameters such as tuning frequency.(a) control unit(b) physical wires(c) digital interfaces(d) transceiverThis question was addressed to me in final exam.The origin of the question is Hardware Architecture topic in section Software Defined Radio Architecture of Cognitive Radio

The external RF components must be provided with ____ for effective co

1.	The external RF components must be provided with ____ for effective control of parameters such as tuning frequency.(a) control unit(b) physical wires(c) digital interfaces(d) transceiverThis question was addressed to me in final exam.The origin of the question is Hardware Architecture topic in section Software Defined Radio Architecture of Cognitive Radio
Answer» The correct answer is (c) digital interfaces Easiest EXPLANATION: The EXTERNAL RF components must be provided with digital interfaces for effective CONTROL of tuning FREQUENCY, transmit/receive MODE, VSWR, transmit power level sensing and gain control.

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