English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
冬季运动会
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
电子工程专辑
5 年
PCB Layout 跳坑指南——PCB走线角度选择到底该不该90°?
现在但凡打开SoC原厂的PCB Layout Guide,都会提及到高速信号的走线的拐角角度问题,都会说高速信号不要以直角走线,要以45度角走线,并且会说走圆弧会比45度拐角更好。 事实是不是这样?PCB走线角度该怎样设置,是走45度好还是走圆弧好?90度直角走线到底行不行 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Cuba: 4 dead on US boat
Larry Summers to resign
Delivers SOTU address
US military plane crash
Faces confirmation hearing
Lauren Chapin dies
Militaries to have joint drill
Hegseth revives bid to punish
Zimbabwe ends US talks
NE sinkhole swallows 2 cars
Artemis II pulled for repairs
Lynch case driver sentenced
Mary Cosby's son dies at 23
FBI obtained phone records
Infected with bird flu
Narrows AI safety pledge
Hits Iran with new sanctions
Frees, deports American
Plane found with bullet hole
Turkish Air Force F-16 crashes
Judge bars seized data search
USTA announces new CEO
Russia fines Google
Blocks ICE contractor's appeal
1981 coup leader dies
Deportation plan rejected
Delays age verification plans
Strikes deal with Vivtex
Apologizes to staff
FBI raids home, office
Oliver 'Power' Grant dies
Closing in three states
Awards Medal of Honor
US loosens Cuba fuel ban
Richard Axel resigns
反馈