Question

In active radar blanking, communication between RF stage and rest of the communication system is ___ while the control line is ____

(a) on, inactive

(b) off, inactive

(c) off, active

(d) on, absent

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This question is from RF and IF Processing Tradeoffs in portion Technology Tradeoffs in Software Defined Radio of Cognitive Radio

Answer 1

Right option is (b) off, inactive

The best explanation: In active blanking, communication between RF stage and rest of the communication system is off while the control line is inactive. This is an example for active cancellation.