Quiz 3 - 1 .UsingFDM, supportedwith128kHz A.Upto16 B.Upto32 C.Upto8 D.Upto64 2 ,theyareoverlapped inthetimedomain A.True B.False 3

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1. A voice channel needs 4kHz. Using FDM, how many voice channels can be  supported with 128 kHz? A. Up to 16 B. Up to 32 C. Up to 8 D. Up to 64 2. Suppose signal A and signal B are multiplexed using FDM, they are overlapped  in the time domain. A. True B.  False 3. Suppose signal A and signal B are multiplexed using TDM, they are overlapped  in the time domain. A. True B.  False 4. Suppose signal A and signal B are multiplexed using TDM, they could be  overlapped in the frequency domain. A. True B.  False 5. Statistical TDM does not allocate time slots periodically, while traditional TDM  does. A. True B.  False 6. Cable modems multiplex user signals using FDM A. True
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B.  False 7. The highest frequency of a voice channel is 4kHz. We multiplex 32 such voice  signal using TDM. In order to do so, each signal must be converted from analog  to digital. In the conversion, the sampling is lossless, the quantization uses 256 
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This note was uploaded on 11/02/2010 for the course EE 136 taught by Professor Kang xi during the Spring '10 term at NYU Poly.

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Quiz 3 - 1 .UsingFDM, supportedwith128kHz A.Upto16 B.Upto32 C.Upto8 D.Upto64 2 ,theyareoverlapped inthetimedomain A.True B.False 3

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