Digital and Analog Fiber Optic Communications for CATV and by Avigdor Brillant

By Avigdor Brillant

This e-book is meant to supply a step by step advisor to all layout points and tradeoffs from thought to program for fiber-optics transceiver electronics. proposing a compendium of knowledge in a established method, this publication permits the engineer to enhance a methodical layout procedure, a deep realizing of requirements parameters and the explanations at the back of them, in addition to their results and outcomes on approach functionality, that are crucial for correct part layout. extra, a primary realizing of RF, electronic circuit layout, and linear and nonlinear phenomena is critical with a purpose to in attaining the specified functionality degrees. changing into conversant in solid-state units and passives used to construct optical receivers and transmitters can be vital with a view to successfully conquer layout limitations.

The booklet is geared up into six major sections overlaying the next matters: a most sensible point evaluation; optics, semiconductors, and passives; RF recommendations; an advent to CATV modems and transmitters; electronic transceivers' functionality, overview, and ideas; and integration and checking out. Copublished with Wiley Interscience.

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Additional resources for Digital and Analog Fiber Optic Communications for CATV and FTTx Applications (SPIE Press Monograph Vol. PM174) (Press Monograph)

Sample text

Each type of device physics is explored and analyzed. Analogies to microwaves are provided at some points to guide those who are being introduced to fiber optics about the similarities. Part 3: RF Concepts In this section, there are six chapters. This section deals in depth with RF topologies to design highly linear analog CATV receivers, and provides a wide background about the structure of devices for high-speed digital design. At first, basic RF definitions are provided and simple RF lineups are reviewed.

Markets through their IP-based transport connection and controls through xDSL, or using the same video platform as a cable company. HFX technology has the following advantages: . It pushes the equipment complexity back toward the CO and supports existing legacy customer equipment. All DSLAM functionality can be currently located in COs, supporting very high pools of XDSL modems. It leverages the installed base of copper plant, the DLC, and local switchbased infrastructure already installed by the local exchange carriers (LECs).

S. standard supports 50 – 550 MHz for NTSC AM—VSB analog video and 550– 750 MHz for HDTV QAM. This band was expanded to 870 MHz and even to 1 GHz. The allocated BW for the up stream (return path) is 5 – 42 MHz. This range is divided into channels having a BW of 1 to 3 MHz. Depending on the modulation scheme, the BW will vary. Chapter 3, Fig. 26 depicts the CATV frequency plan. The broadband HFC/CATV network supports both the analog AM-VSB and M-QAM. The QAM transmitter and the QAM receiver are located at the central office and the subscriber respectively and known as QAM modems.

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