This standard specifies the technical requirements and measurement methods for bidirectional amplifiers in cable television systems. Any equivalent method that can ensure the same measurement uncertainty can also be used. In case of dispute, this standard shall prevail. This standard is applicable to the development, production, application, and operation maintenance of bidirectional amplifiers in cable television systems. 2 Normative References: The clauses in the following documents become clauses of this standard through reference in this standard. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T 6510-1996 Cable Distribution Systems for Television and Sound Signals GB8898-2001 Audio Safety Requirements for Video and Similar Electronic Equipment GB/T 9025-1988 30MHz-1GHz Cable Distribution Systems for Sound and Television Signals Mechanical and Electrical Connection Values GB/T 11318.1-1996 Cable Distribution Systems for Television and Sound Signals Equipment and Components Part 1: General Specifications GB/T 11318.8-1996 Cable Distribution Systems for Television and Sound Signals Equipment and Components Part 8: General Specifications for Trunk Amplifiers GB13836-2000 Cable Distribution Systems for Sound and Television Signals Part 2: Equipment Electromagnetic Compatibility GY/T 106-1999 Technical Specification for Cable Television Broadcasting System GY/T 180-2001 Technical Specification for Physical Channel of HFC Network Upstream Transmission SJ/T 11175-1998 Cable Distribution System Equipment and Components for Television and Sound Signals General Specification for Bidirectional Amplifiers
SJ/T 11177-1998 Cable Distribution System Equipment and Components for Television and Sound Signals General Specification for Distribution Amplifiers IEC 60728-3 Cable Distribution System Equipment and Components for Television and Sound Signals Components Part 3 Downlink Broadband Coaxial Distribution Equipment
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