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The external RF components must be provided with ____ for effective control of parameters such as tuning frequency.

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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) transceiver

This 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

1 Answer

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Best 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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