High efficiency and high linearity space traveling wave tube (TWT) is required for satellite communication system as a high power, high gain microwave amplifier.
作为卫星通讯系统所用的高增益、高功率微波放大器件，行波管的效率和线性是非常重要的。
2
Therefore, amplifierpower, high prices, and relatively easy to burn tube.
故放大器功率大、价格高，且相对容易烧管子。
3
A high quality audio poweramplifier is disclosed, whose quality features the dynamic nature of transistor and the sounds quality of electronic tube. Its key technique is use of c.