GB 4877-1985 Television intermediate frequency

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

National Standard of the People's Republic of China
GB4877—1985
Intermediate frequencies of television
Intermediate frequencies of television1985-01-23PromulgatedbzxZ.net
National Bureau of Standards
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
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