Chi 6 b.Discuss the key requirements for PCM wave-forms used for the synchronoustransmission of digital signals over wired links in telephone networks.Demonstrate how the stream of eight bits: 1100000 1 would betransmitted at base-band using (i) NRZHDB3 coding and (ii) Manchester coding.Analyze the merit and demerit of the Manchester coding aslinked to NRZ-HDB3?

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Discuss the key requirements for PCM wave-forms used for the synchronous transmission of digital signals over wired links in telephone networks.

Delmar's Standard Textbook Of Electricity

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ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

ChapterS: Safety, Basic Electricity And Ohm's Law

Section: Chapter Questions

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Dielectric Breakdown

A dielectric is a material with low electrical conductivity and so is classified as an insulator. Dielectric materials are used to block the flow of electricity through them, allowing them to behave as an insulators. They can also be used to store electric charge or improve capacitance.Dielectrics have no free electrons for conduction because electrons are tightly bound to the nucleus. Because dielectrics contain a small number of electrons for electrical conductivity, they have a dipole. The two primary roles of dielectrics in electrical devices are insulation and electrical energy storage. An electric field polarizes the dielectric, and the polarization of the molecules allows dielectric materials to store charge.

Question

Chi 6

b.
Discuss the key requirements for PCM wave-forms used for the synchronous
transmission of digital signals over wired links in telephone networks.
Demonstrate how the stream of eight bits: 1100000 1 would be
transmitted at base-band using (i) NRZHDB3 coding and (ii) Manchester coding.
Analyze the merit and demerit of the Manchester coding as
linked to NRZ-HDB3?

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