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注意外用可调衰减器，均衡器所引起的故障叶健辉（广东省阳西县广播电视局５２９８００）有线电视信号在干线传输中的好与坏、直接影响整个有线电视系统分配网络的正常传输。目前有很多市、县级的有线电视台的前端设备，由原来的隔频传输改用为邻频传输。由于邻频传输的节...
Pay attention to external adjustable attenuator, equalizer caused by the failure Ye Jianhui (Yangxi County, Guangdong Province Radio and Television Bureau 529800) Cable signal transmission in the trunk of the good and bad, a direct impact on the entire cable system distribution network of normal transmission. At present, many front-end equipment of cable television stations at the municipal and county levels are switched from the alternate transmission of the frequency-division channels to the adjacent-frequency transmission. Due to the adjacent frequency transmission section ...