行业主要上市公司:鹏鼎控股(002938.SZ)、东山精密(002384.SZ)、深南电路(002916.SZ)、景旺电子(603228.SH)、沪电股份(002463.SZ)、兴森科技(002436.SZ)、世运电路(603920.SH)等 印制电路板(Printed Circuit Board,简称“PCB”),又称印制线路板、印刷电路板、印刷线路板,是在电路中 ...
Test Coupon,是用来以 TDR (Time Domain Reflectometer 时域反射计) 来测量所生产的 PCB 的特性阻抗是否满足设计的要求,一般要控制的阻抗有单端线和差分对两种情况,所以 test coupon 上的走线线宽和线距(有差分对时)要与所要控制的线一样,最重要的是测量时接地点的位置。
PCB,即印制电路板(Printed Circuit Board),是现代电子设备中不可或缺的重要部件。它是电子元器件电气连接的提供者,是电子产品的大脑和心脏,被广泛应用于各种电子设备中。 那么,PCB板究竟是什么意思?它的工作原理和应用场景是什么?本文一一道来。
行业主要上市公司:鹏鼎控股(002938)、东山精密(002384)、深南电路(002916)、沪电股份(002463)、景旺电子(603228)、方正科技(600601)、胜宏科技(300476)、超声电子(000823)、崇达技术(002815)、生益电子(688183)、奥士康(002913)、博敏电子(603936)、弘信电子(300657)、世运电路(603920)等 ...
Tired of making countless wire jumpers on my perfboard prototypes, I decided to run an experiment to try to minimize manual ...
Printed circuit board (PCB) was introduced as a replacement for bulky wiring circuits almost a century ago. Today, it’s the core of the electronics industry, supporting the latest designs like IoT, AI ...
Earlier this year [Skyhawkson] got ahold of an Apollo-era printed circuit board which he believes was used in a NASA test stand. He took high quality photos of both sides of the board and superimposed ...
If you can 3D print most of the parts for another 3D printer, why not also for a PCB mill? That’s the question answered by the Cyclone PCB Factory. It will help you kiss those toner transfer or photo ...