PFM Optical Fiber Transmission Equipment for Colour TV Programs with Two Accompanying Sound Channels[J]. 1988,(2):13-20. DOI: 10.13756/j.gtxyj.1988.02.002.
PFM彩色电视双伴音光纤传输设备
摘要
本文叙述PFM彩色电视双伴音传输设备的主要性能和应用。该设备在接收灵敏度为-34.5dBm时
仍然满足广播电影电视部部标GY—38—86短程光缆传输规定的甲级指标。
Abstract
This paper describes the major performance and applications of the PFM (pulse frequency modulat ion) optical fiber transmission equipment for colour TV programs with two accompanying sound channels.When the receiver sensitivity is-34.5dBm
the Grade-A Specifiations for Short Range Optical Cable Transmission GY-38-86 stipulated by the Ministry of Radio