Q. Which system uses QAM?

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Q. In phase lock which parameter is synchronized

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Q. Coherent modulation requires ____ level of synchronization.

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Q. Non coherent system requires

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Q. For block codes _____ is necessary.

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Q. The synchronization necessary for BPSK is

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Q. Transmitter synchronization implies

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Q. As the synchronization levels increases, cost

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Q. Synchronization is used in system which has

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Q. Which method has fast acquisition and can work without return link?

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Q. Which method has two way link?

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Q. Which method requires external authority and is inflexible?

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Q. Which method needs precorrect time?

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Q. In open loop method, the time reference error __________ with respect to time.

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Q. When a terminal is able to utilize the measurements made on the return link it is called as

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Q. Which reduces the effective distance between signals in signal space?

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Q. The system which has ______ signal to noise ratio can tolerate larger timing error.

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Q. Phase locked loops consists of

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Q. In VCO the output frequency is a linear function of its input

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Q. PLL designs have

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