Q. In which waveform logic 1 is represented by half bit wide pulse and logic 0 is represented by absence of pulse?

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Q. In which waveform logic 1 and logic 0 are represented by opposite one half bit wide pulses?

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Q. In which waveform logic 1 is represented by equal amplitude alternating pulses?

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Q. Application of phase encoded binary signals are

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Q. In which waveform one is represented by half bit wide pulse positioned during the first half and zero is represented by half bit wide pulse positioned in the second half?

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Q. Which binary waveform uses three levels?

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Q. Which waveform type has the feature of clocking?

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Q. Which waveform has the feature of error detection?

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Q. Which waveform scheme introduces bandwidth compression?

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Q. Which waveform type has better noise immunity?

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Q. In pulse modulation, reciprocal of T(time) is

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Q. PCM word size can be described by

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Q. Some of the M-ary waveforms are

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Q. Which method should be implemented for reducing bandwidth?

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Q. In M-ary PPM waveform, modulation is effected by

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Q. For both PPM and PDM _______ is kept constant.

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Q. The method in which small amount of controlled ISI is introduced into the data stream rather than trying to eliminate it completely is called as

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Q. From digital filter we will get the output pulse as the _______ of the current and the previous pulse.

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Q. In duobinary signalling method, for M-ary transmission, the number of output obtained is

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Q. The method using which the error propagation in dubinary signalling can be avoided is

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