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上海无线电仪器厂最近制成S311型UHF彩色电视发射机和S312型UHF彩色电视变频器两种新颖的UHF电视发送设备.S311型UHF彩色电视发射机采用中频调制的方法,能将摄象机、录象机和电视信号发生器发生的全电视信号对37兆赫图象中频载波进行调幅,得到图象中频信号.同时,也能将机内1千兆和收音机、放音机产
Shanghai Radio Instrument Factory recently made S311-type UHF color TV transmitter and S312-type UHF color TV frequency converter two novel UHF television transmission equipment.S311 UHF color TV transmitter using IF modulation method, the camera, Video and television signal generator occurred in all television signals on the 37 MHz image IF carrier amplitude modulation to obtain the image IF signal at the same time, but also the machine 1 Gigabit and radio, radio production