找到约 13704 条相关结果
... 得到有效的提升,且通用性好。PCB inkjet printing technology as a new type of ... other serious problems. To solve the problem of PCB ink jet printing poor effect ,it takes the ...
STC8系列 STC15系列STCMCU Protel_Altium原理图PCB器件封装库文件,包含了 STC15 系列 ... ; STC8H8K64U-64PIN AD PCB库文件封装列表： 31个DFN8 ...
... its function in circuit system; therefore, when a PCB including ADC is designed, besides some common issues ... issues which should be considered in arrangement of PCB including multi-channel high speed ADC are discussed ...
... filter based on multilayer print circuit board （PCB）, and the size goes down to 1 ... coefficient of thermal expansion （CTE） of PCB board can match with that of its counterpart ...
... .Based on embedded systems and automation technology,the PCB carving machine intelligent control system is designed. The ...
... 的高频电路的使用，同时对PCB设计的要求也越来越高，为了实现PCB板的高效运作，需要对其 ... 。本文笔者从对射频电路PCB板电磁兼容设计的原则着手， ... 的技巧和方法，目的是为PCB板的电磁兼容设计提供指导和 ...
... 驾驶人员尤为重要。合理良好的PCB电路设计凭借优异的抗干扰能力,能够 ... 科学选用和布置相应的元器件,介绍PCB配置和布线,并分析接地和屏蔽 ... 的设计。该研究以分析基于PCB的汽车影音系统抗干扰电路设计为目的,以便提高基于PCB的汽车影音系统抗干扰电路设计的 ...
... was improved after matching the characteristic impedance of PCB. Theory analysis and experiment results show that signal ...
首先，要考虑PCB的尺寸大小.PCB尺寸过大时，印制线条长 ... 噪声能力下降，成本也增加；PCB尺寸过小，则散热不好， ... 邻近线条易受干扰。在确定PCB尺寸后．再确窄特殊元件 ...
... in Automatic Optical Inspection（AOI） of PCB.Based on analyzing the holistic configuration and data ... on,the standard image which is used for PCB Automatic Optical Inspection is composed finally.The experimental ...
