对电子管电视发射机几种隐性故障影响电子管寿命进行了探讨，并结合实践给出了解决问题的经验和方法。
This paper mainly talks about the effect of hidden troubles with television transmitters on electronic tubes, and also comes up with some solutions according to the experience.
维护大功率电子管和延长其使用寿命，对保障电视发射机稳定、安全、可靠地工作和节约资金都起着重要作用。
The maintainance of high power vacuum tube and the prolongation of its service life play an important role in the steady, safety and reliable operation of TV transmitter and in saving of money.
介绍了一种采用自适应技术的开关型稳压电源，对电视发射机大功率发射管的冷态灯丝平滑上电压，有效提高了发射管的使用寿命。
The switch mode regulated power supply using self - adjusting technique is introduced. In TV transmitter, it is used to the large power transmit-ting tubes with variable voltage for cold filament.
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