title>GB/T 11318.7-1996 Cable distribution system equipment and components for television and sound signals Part 7: General specification for amplifiers - GB/T 11318.7-1996 - Chinese standardNet - bzxz.net
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GB/T 11318.7-1996 Cable distribution system equipment and components for television and sound signals Part 7: General specification for amplifiers
Basic Information
Standard ID:
GB/T 11318.7-1996
Standard Name: Cable distribution system equipment and components for television and sound signals Part 7: General specification for amplifiers
Standard ICS number:Telecommunications, audio and video technology>>Parts and accessories for telecommunications equipment>>33.120.20 Wires and symmetrical cables
Standard Classification Number:Communications, Broadcasting>>Broadcasting, Television Equipment>>M72 Imaging, Electroacoustic Equipment
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Publication information
other information
Release date:1996-09-09
Review date:2004-10-14
Drafting unit:Standardization Institute of the Ministry of Electronics Industry
Focal point unit:National Radio and Television Standardization Technical Committee
Publishing department:State Administration of Radio, Film and Television
competent authority:State Administration of Radio, Film and Television
This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of broadband amplifiers, broadband antenna amplifiers, channel antenna amplifiers and channel amplifiers (hereinafter referred to as equipment) in cable distribution systems for television and sound signals from 5MHZ to 1750MHz. This standard applies to broadband amplifiers, broadband antenna amplifiers, channel antenna amplifiers and channel amplifiers in cable distribution systems for television and sound signals from 5MHZ to 1750MHz. GB/T 11318.7-1996 Cable distribution system equipment and components for television and sound signals Part 7: General specifications for amplifiers GB/T11318.7-1996 Standard download decompression password: www.bzxz.net
Some standard content:
1 Scope National Standard of the People's Republic of China Equipment and components used in cabled distribution systems primarily intended for television and sound signals Part 7: Generic specifications for amplifiers Equipments and components used in cabled distribution systems primarily intended for television and sound signals Part 7: Generic specifications for amplifiers GB/T 11318.7—1996 This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of broadband amplifiers, broadband antenna amplifiers, channel antenna amplifiers and channel amplifiers (hereinafter referred to as equipment) in cabled distribution systems for television and sound signals of 5MHz~~1750MHz. This standard applies to broadband amplifiers, broadband antenna amplifiers, channel antenna amplifiers and channel amplifiers in cabled distribution systems for television and sound signals of 5MHz~1750MHz. 2 Referenced standards The provisions contained in the following standards constitute the provisions of this standard by reference in this standard. When this standard was published, the versions shown were all valid. All standards are subject to revision. Parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T6510-1996 Cable distribution systems for television and sound signals GB/T11318.1-1996 Cable distribution systems for television and sound signals Equipment and components Part 1: General specifications 3 Definitions This standard adopts the following definitions. Other definitions and symbols should comply with the relevant provisions in GB/T6510 and GB/T11318.1. 3.1 Wideband amplifier widebandamplifier An amplifier used to increase the signal level within a certain bandwidth and compensate for the attenuation of the transmission system. 3.2 Channel amplifier channel amplifier An amplifier used to increase the signal level of a single channel. 4 Product classification 4.1 Wideband amplifier. 4.2 Broadband antenna amplifier. 4.3 Channel amplifier. 4.4 Channel antenna amplifier. Approved by the State Administration of Technical Supervision on September 9, 1996 362 Implemented on May 1, 1997 5 Requirements 5.1 General requirements GB/T11318.7-1996 General requirements for equipment shall comply with the provisions of 4.1.1 of GB/T11318.1-1996. 5.2 Performance parameters Performance parameter requirements are shown in Tables 1 to 4. Broadband amplifier (including band amplifier) serial number Nominal value Allowable deviation In-band flatness Maximum output level Carrier second-order intermodulation ratio Performance parameters Specified by product standards 105,110,115,120 ≥42, ≥52 Note: The nominal gain and maximum output level should be reasonably combined to avoid the input level being too high or too low. Table 2 Nominal value Allowable deviation Maximum output level In-band flatness Noise figure Broadband antenna amplifier Performance parameters Specified by product standards ≥90.≥95 A3587 dc:≤24ja.c. :36 Channel type antenna amplifier Nominal value Allowable deviation Maximum output level Performance parameters Specified by product standards ≥90≥95 Measurement method GB/T11318.1--1996 4.2.2.2.1 4.2.2.2.1 4. 2.2.2.2 4.2.2.2.3 4. 2.2. 2. 4 4.2.2.2.5 Measurement method GB/T11318.1--1996 4.2.2.2.1 4. 2.2.2.2 4.2.2.2.1 4.2.2.2.4 4.2.2.2.5 Measurement method GB/T 11318. 1-: 1996 4. 2. 2. 2. 1 4.2.2.2.2 Same as the note in Table 1. Out-of-band attenuation Noise figure Nominal value Allowable deviation Out-of-band attenuation Maximum output level Working output level AGC characteristics GB/T11318.7—1996 Table 3 (end) Performance parameters dc +≤24sa.c. :≤36 Table 4 Channel amplifier 2 Items 5 and 8 are only applicable to components with AGC function. 5.3 Environmental adaptability Performance parameters Specified by product standards ≥110 ≥115 ≥120 ≥105 ≥110 ≥115 When the input level changes by 10, the output change is within ±1. Measurement method GB/T 11318.1 1996 4.2.2.2.1 4.2.2.2.1 4.2.2.2.4 4.2.2.2.5 Measurement method GB/T 11318. 1---1996 4.2.2.2.1 1.2.2.2.1 4.2.2.2.1 4.2.2.2.2 4.2.2.2.2 4.2.2.2.4 4.2.2.2.5 4.2.2.2.6 The environmental adaptability requirements of the equipment shall comply with the relevant provisions of 4.3 of GB/T11318.1-1996. The test items after high temperature, constant humidity and heat, low temperature (outdoor type), sweep frequency vibration, sealing (outdoor type) and collision tests are gain, and the qualified criterion is that the change is within ±3dB compared with the initial value. After the low temperature or salt spray (outdoor type) test and free fall test, the performance test shall be carried out according to the items specified in Tables 1 to 4. The test results shall comply with the relevant provisions of Tables 1 to 4. 5.4 Reliability The lower limit value of the reliability index of the equipment, the mean time between failures (MTBF), shall not be less than 20,000 hours. The failure criterion is that the gain changes by more than 3 dB compared with that before the test. 5.5 Safety GB/T11318.7—1996 The safety requirements of the equipment shall comply with the relevant provisions of 4.5 of GB/T11318.1—1996. 5.6 Electromagnetic compatibility The electromagnetic compatibility requirements of the equipment shall comply with the relevant provisions of 4.6 of GB/T11318.1--1996. 6 Test methods 6.1 General requirements The test methods for general requirements of the equipment shall be carried out in accordance with the provisions of 4.1.2 of GB/T11318.1-1996. 6.2 Performance parameters The measurement of the electrical performance parameters of the equipment shall be carried out in accordance with the relevant provisions of 4.2.2 of GB/T11318.1-1996. 6.3 Environmental adaptabilitywwW.bzxz.Net The test methods for environmental adaptability of the equipment shall be carried out in accordance with the relevant provisions of 4.3 of GB/T11318.1-1996. The test temperature group is 1. 6.4 Reliability The reliability test methods of the equipment shall be carried out in accordance with the provisions of 4.4 of GB/T11318.1-1996. 6.5 Safety The safety test methods of the equipment shall be carried out in accordance with the provisions of 4.5 of GB/T11318.1-1996. 6.6 Electromagnetic compatibility The electromagnetic compatibility test method of the equipment shall be carried out in accordance with the relevant provisions of 4.6 of GB/T11318.1-1996. 7 Inspection rules The inspection rules of the equipment shall comply with GB/T11318.1-1996 Chapter 5. The electrical performance items for delivery inspection are the relevant provisions of Tables 1 to 4. 8 Marking, packaging, transportation and storage The marking, packaging, transportation and storage of equipment shall comply with the relevant provisions of Chapter 6 of GB/T11318.1-1996. 365 Tip: This standard content only shows part of the intercepted content of the complete standard. 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