INdex
GB standard
Standard category
Machinery Industry
It standard
Industry Standard
Chemical Industry It standard Petrochemical ZB Industry Light industry Railway industry Shipping industry Measurement standards

GB 4877-1985 Television intermediate frequency

time: 2024-08-10 15:55:31
  • GB 4877-1985
  • in force

Basic Information

  • Standard ID:

    GB 4877-1985

  • Standard Name:

    Television intermediate frequency

  • Chinese Name:

    电视中间频率

  • Standard category:

    National Standard (GB)

  • Date of Release:

    1985-01-23

  • Date of Implementation:

    1985-10-01

standard classification number

  • Standard ICS number:

    Telecommunications, audio and video technology >> 33.160 Audio, video and audiovisual engineering

  • China Standard Classification Number:

    Communications, Broadcasting>>Broadcasting, Television Network>>M60 Broadcasting, Television Network Comprehensive

associated standards

Publication information

Other Information

  • Release date:

    1985-01-23

  • Review date:

    2004-10-14

  • Drafting Organization:

    Technical Bureau of the Ministry of Radio, Film and Television

  • Focal point Organization:

    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
Introduction to standardsDescription (Translated English) / download

Skip to download

Summary:

This standard applies to the intermediate frequency of heterodyne television receivers, intermediate frequency modulation television transmitters, television differential transponders and other equipment. This standard stipulates that the image intermediate frequency of television receivers is 38MHz, and the sound intermediate frequency is 31.5MHz; the image intermediate frequency of television transmitters and television differential transponders can also be 37MHz. GB 4877-1985 Television intermediate frequency GB4877-1985 standard download decompression password: www.bzxz.net
Standard contentStandard content

Some standard content:

National Standard of the People's Republic of China
GB4877—1985
Intermediate frequencies of television
Intermediate frequencies of television1985-01-23Promulgated
National Bureau of StandardswwW.bzxz.Net
Implementation on 1985-10-01
National Standard of the People's Republic of China
Intermediate frequencies of television
Intermediate frequencies of televisionUDC 621. 397. 61
/62.018.4
GB 4877—1985
This standard applies to the intermediate frequencies of heterodyne television receivers, intermediate frequency modulation television transmitters, television differential converters and other equipment. This standard stipulates that the image intermediate frequency of television receivers is 38MHz and the accompanying sound intermediate frequency is 31.5MHz; the image intermediate frequency of television transmitters and television differential converters can also be 37MHz. Additional notes:
This standard was proposed by the Ministry of Radio and Television.
This standard was drafted by the Technical Bureau of the Ministry of Radio and Television. Issued by the National Bureau of Standards on January 23, 1985
Implemented on October 1, 1985
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.
  • Recommended standards
Please remember: "bzxz.net" is the combination of the first letters of the Chinese pinyin of the four Chinese characters "standard download" and the international top-level domain name ".net". ©2024 Standard download websitewww.bzxz.net Mail：wymp4wang@gmail.com