本机是我台1998年由法国进口的全固态电视发射机,其说明书比较简略,对各电路部没有做详细说明。本人根据原理图分析出这部分的工作原理,由于水平所限,难免有不正确之处,希望读者批评指正。一.过激励工作原理本机高增益放大器模块包括三级 A 类放大器和 This machine is my Taiwan imported from France in 1998, all-solid-state television transmitter, the manual is relatively simple, the circuit did not do a detailed description. I analyzed the principle of this part of the working principle, due to the level of limitations, it is inevitable that there is something wrong, I hope readers criticism and correction. I. Incentives working principle The high-gain amplifier module includes three Class A amplifier and