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Practice over 1000+ GATE-level questions from this topic!

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Q#1 Digital Communication GATE EC 2021 NAT +1 mark -0 marks

A speech signal, band limited to , is sampled at 1.25 times the Nyquist rate. The speech samples, assumed to be statistically independent and uniformly distributed in the range  to , are subsequently quantized in an 8-bit uniform quantizer and then transmitted over a voice-grade AWGN telephone channel. If the ratio of transmitted signal power to channel noise power is , the minimum channel bandwidth required to ensure reliable transmission of the signal with arbitrarily small probability of transmission error (rounded off to two decimal places) is __________ .

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Browse Practice Questions by Chapters / Topics in Browse Practice Questions by Chapters / Topics in GATE Electronics and Communications
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Topic Questions Attempted Correct
Network Analysis 273 0 0
Electronic Devices 224 0 0
Analog Electronics 395 0 0
Digital Electronics 352 0 0
Signals and Systems 263 0 0
Control Systems 264 0 0
Communication System 340 0 0
EMFT - ECE 273 0 0
Engineering Mathematics 280 0 0
General Aptitude 240 0 0
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