`请问如何辨别PCB板材的真伪?`
2020-03-06 14:46
小白一枚,在看视频学习DAQMX,想买一款便宜的采集卡学习,结果淘宝 usb6009 有的卖家说是高仿的,有的说是原装的,加格都不贵,咸鱼也有二手的说是原装正品,也是和新的一个价400多,网上也找不到辨别真伪的文章,各位大哥有什么好方法吗?现在不知道该怎么入手。
2023-01-03 21:18
求助:深海油田用压力传感器的设计,梁膜组合的设计,
2013-05-16 16:26
嗨,我怀疑为什么射频发射器本质上是非线性的,而接收器本质上是线性的。 以上来自于谷歌翻译 以下为原文Hi I have a doubt that why RF transmitter are non-linear in nature while receiver are linear in
2018-11-01 09:34
on the GPIF pins? LVCMOS-1.8? Does the FX3 have any internal termination, and if so, how does it deal with the bidirectional nature of GPIF?
2019-04-03 11:31
EXTERNAL SYMBOL SYMBOL:COMBUF MODULE:main1051.obj (MAIN1051) *** WARNING L2: REFERENCE MADE
2023-10-08 07:21
`看着张老师在上面讲课,好激动。刚刚张老师说到够买元器件一定要注意元器件真伪!为啥?一个小小参数的变故,都会使你设计报废!张老师又说***垄断了贴片器件,主要有两点,贴片机大量运用,没技术含量,有
2015-09-14 09:40
), for the bulk transfer. My host also supports USB 2.0 high speed, but due to the typical nature
2019-05-09 16:07
for the basic nature of these questions: In these community forums, can one do any kind of keyword search
2019-07-19 06:27
如何修复?安装程序不提供任何关于问题性质的提示。 以上来自于百度翻译 以下为原文how to fix it ? the installer does not give any hint about the nature of problem..
2019-07-19 12:27