Carson Optics
Telecommunication – Need HELPPP .. want this before monday?
1. Derive the relationship among data transmission rate (D), Symbol rate (R) and the number of symbols m for an m-ary system.
2. Determine the minimum bandwidth required for the 30–Channel PCM system used for voice communications. compare this bandwidth with the equivalent FDM system.
3. Describe Adaptive Delta modulation and its usage
4. (a) Define Wavelength division multiplexing
(b) Its application in fibre optics
(c) Typical data rates
6. (a) Distinguish between angle modulation and Amplitude modulation.
(b) Show representations of Amplitude Modulated wave both in frequency and time domains.
(c) Explain what is meant by the depth of modulation?
(d) What is percentage modulation?
(e) State Carson’s rule, why is it a useful approximation.
D = 2*R
Carson Optical-Micromax LED
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