Tutorial7_solution - 1 Tutorial 7 Principles of...

Info icon This preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Principles of Communications 1 Tutorial 7
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Principles of Communications 2 Problem 1 (Gray Code) A signal with dynamic range (-8V, 8V) is applied to a 3 -bit midriser . Assume the samples have the following amplitudes: 4.6V, 0.8V, -0.2V, 1.6V, 3.4V, -6.4V Sketch the resulting sequence of the quantized samples in the form of Gray codes .
Image of page 2
Principles of Communications 3 Solution 2 4 6 8 -8 -6 -4 -2 1 3 5 7 -7 -5 -3 -1 input output The quantized values of 4.6V, 0.8V, -0.2V, 1.6V, 3.4V, -6.4V are 5V, 1V, -1V, 1V, 3V, -7V 000 001 011 010 110 111 101 100 Finally, the sequence can be obtained as: 101 110 010 110 111 000 The quantization step size is Δ = 8 ( 8) 2 3 = 2 V A 3-bit Gray code can be generated as: 000 à 000 001 à 001 010 à 011 011 à 010 100 à 110 101 à 111 110 à 101 111 à 100
Image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Principles of Communications 4 Problem 2 (Binary PAM) A baseband analog signal with bandwidth 3 kHz is sampled with Nyquist sampling rate and applied to a 4-bit quantizer . The bit stream is then sent out using binary PAM .
Image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern