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The circuits of transmit mode in RF front end _____ RF signal.

(a) suppresses

(b) synthesizes

(c) boosts

(d) modulates

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Question is from Hardware Architecture topic in section Software Defined Radio Architecture of Cognitive Radio

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Right option is (b) synthesizes

Explanation: The circuits of transmit mode in RF front end synthesizes RF signal. The generated signal must not introduce disturbance at any other frequencies and affect other users of the spectrum.

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