moat(信号走线尽量不要跨过有分割的地方(moat)是什么意思？)

题图来自Unsplash，基于CC0协议

本文目录

正文

1、信号走线尽量不要跨过有分割的地方(moat)是什么意思？

这个是高速信号完整性的要求。如果你的信号远低于50M，不需要考虑这个问题。对于高速信号，其信号会跟它的参考层形成耦合回流。如果你的信号跨越了参考层的分割，回流信号耦合不过去，就要绕路，这样会增加回路面积。回路面积越大，其发射和接收电磁波的能力就越强，就越容易干扰和被干扰，影响信号质量。参考层的概念，你可以简单理解为，与信号层紧挨着的电源或地层。这些电源层内由于存在多种电平、多种性质地，需要分割。

2、oat结尾的单词？

oat结尾的单词也很多

afloat在水面 boat小船 bloat肿胀的

coat外套 doat衰老 goat山羊

groat些许 float漂流 moat护城河

3、皮皮公主的假期原文和翻译？

taken off her coat and crown.

It was once an Princess Pip nicer greatly coat and crown easiest off his daughter.

它是更加美丽一旦公主皮普已经采取了脱去她的外衣和冠冕。

It is more beautiful once princess pippa had taken off her coat and a turban.

The fish looked very cross at being caught , so Princess Pip let them go.

The fish caught to cross at being which Princess - so Pip <, go.

鱼看上去很生气,所以公主波纹管时被抓住,让他们去。

Fish looked very angry, so the princess corrugated pipe caught, let them go.

"It's not too bad here,"said Princess Pip ,at last."I want to stay here all the time.

"It 's not bad," who have roll Pip, at Mr. Princess. "I to roll on the long a handful.

“这并不是很坏在这里,”公主皮普,最后说。

"It's not too bad here," the princess PIP, finally said.

"我想留在这里所有的时间。

"I want to stay here all the time.

"Let's build a sandcastle ,then," said Daisy.

"Build a sandcastle < 's, then," Daisy who.

“让我们建立一个沙子城堡吧,然后,”黛西说。

"Let us build a sandcastle, then," Daisy says.

"A sand HOUSE ,"said Princess Pip .

"A stillbirth," what Pip Princess who.

“一粒沙说:“公主房子很恼火。

"A grain of sand said:" princess house was very upset.

It was hard work,but they build a huge house,with a moat all around.

It was unacceptable, but build schools hard-core, what a huge moat around a handful account.

它是很艰苦的工作,但他们建造一家大型的房子里,有着一条护城河周围。

It was hard work, but they built a large house, with a moat around.

Soon the sea came in and filled the moat.

The sea is stuck in the moat. They check.

很快海洋进来,充满了护城河。

Soon, filled with moat Marine came in.

"That's just right ,"said Princess Pip."Make it stop coming

"That 's attorney general," who can you Pip Princess. "nice it stop