请教笔试题

1 锁相环电路组成，振荡器（比如用D触发器如何搭）

2 一电源和一段传输线相连（长度为L,传输时间为T），画出终端处波形，考虑传输线
无损耗。给出电源电压波形图，要求绘制终端波形图


就这两道，谢谢各位大牛了

没人回答下吗

The first one, you could find the answer in Razavi's canon easily. It is chapter 13, if my memory donot cheat me.
The second, I find no wave about the voltage source, then how could you draw the terminal's wave.

不懂。