Functional Block Diagram - Blonder Tongue Laboratories Inc.

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Broadband Specification Guide Forward This Broadband Specification Guide has been designed to break down a broadband system into simple building blocks to be used when specifying an RF System for schools, prisons, sports complexes, or any type of facility. Blonder Tongue Laboratories, Inc. has been in the business of manufacturing equipment for broadband systems for over the last 50 years. We have taken that knowledge and experience to formulate this Broadband Specification Guide especially for Specifiers, Architects and Engineers. You’ll find we use plain English descriptions, simple to use diagrams and specification libraries to fit your broadband design needs. Suggestions or feedback? Simply e-mail us at feedback@blondertongue.com with the subject line of “Broadband Specification Guide.” Caution The information presented in this manual is intended to be a helpful guide for the design of RF systems. It is not intended to be applicable or suited to every circumstance which might arise during the construction phases of RF systems. The information and drawings contained in the manual are the exclusive property of Blonder Tongue Laboratories, Inc, and may be reproduced, copied, or published by any means, for the purposes of specifying, designing, or selling Blonder Tongue products. All credits to be given to Blonder Tongue, and stock and model numbers of the products are not to be changed. No warranty or liability is implied, nor expressed and this manual should not be construed to be a replacement for sound judgment and experience as applied to actual field circumstances. ©2008 Blonder Tongue Laboratories, Inc. All rights reserved. All trademarks are property of their respective owners. Specifications are subject to change without notice. Not responsible for typographical errors. 2 2
Broadband Specification Guide Table of Contents How To Use This Guide..............................................................................................................................................4 Functional System Descriptions and Diagrams Analog VHF Off-Air Reception....................................................................................................................................6 Analog UHF Off-Air Reception...................................................................................................................................8 Digital Off-Air Reception (8VSB) Reception - Analog Viewing................................................................................10 Digital Off-Air Reception (8VSB) - Digital Viewing (8VSB).......................................................................................12 Digital Off-Air (8VSB) Reception - Digital Viewing (QAM)......................................................................................14 Digital CATV (QAM) Reception - Analog Viewing....................................................................................................16 Digital CATV (QAM) Reception - Digital Viewing (QAM).........................................................................................18 Local Origination ......................................................................................................................................................20 Digital CATV (QAM) Reception - IP Distribution......................................................................................................22 Digital QAM Channel Generation............................................................................................................................24 EBS/ITFS (QAM) Reception - Analog Viewing.........................................................................................................26 Cable TV Feed...........................................................................................................................................................28 Cherry Picking From a Cable TV Feed......................................................................................................................30 Preventing Reception of Undesired Programming on Cable TV Feed...................................................................34 Inserting a Local Origination Into a Cable TV Feed.................................................................................................36 Inserting a Local Origination Above a Cable TV Feed.............................................................................................38 Sub-Channel Return.................................................................................................................................................40 Signal From DBS (DishNetwork) Satellite.............................................................................................................44 Coaxial Distribution..................................................................................................................................................46 Hybrid Fiber and Coax Distribution.........................................................................................................................52 High Speed Broadband Internet..............................................................................................................................54 Remote Power Reset................................................................................................................................................56 Equipment Specification Library.............................................................................................................................58 CATV Terms & Definitions.......................................................................................................................................80 Frequency Charts (CATV, CATV QAM, Off-Air)........................................................................................................96 Additional Reading and Web Listings..................................................................................................................103 CD ROM & Specifier Files......................................................................................................................................103 3
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