Altium Designer 差分对(Differential Pair)布线走线技巧及规则设置AD20、AD21PCB视频教程教学,高级PCB布线, 视频播放量 28750、弹幕量 5、点赞数 303、投硬币枚数 110、收藏人数 643、转发人数 80, 视频作者 九歌模数师, 作者简介 致力于电子科学、硬件技术、嵌入式技术
答:在PCB设计中,AD软件提供了批量增加差分对的功能,但是由于软件的某些原因会导致一些差分对没有创建成功,所以当对这些没有创建成功的差分对进行差分走线就会出现如图5-196所示的报错,提示“没有发现差分对”,解决办法为重新给该差分网络单独创建差分对,从而进行差分走线。
negative net [DA_N]…",意思是左边的DA_N和DN_P无法构成差分对(相互之间都缺少对方),右边则报错只含有唯一的的DA_N和DN_P(相同的网络符号构成连线,缺一不可,而且数量要大于等于1)
设置差分线:设计(D)->类(C)->Differential Pair Classes->All Differential Pair ->右击,添加类(USB是90Ω,HDMI是100Ω,大部分是100Ω差分阻抗)->点击右下角panels->PCB->点一行选择差分->点击添加->输入引脚标号(正Positive Net 和负Negative Net)和名字(模块名)->会高亮(若不高亮,则选择Mask模式-将Norm...
Net <NetName> of differential pair <PairName> is not connected to a differential pair pin 上記は、以下を示します: NetNameは、positive、あるいはnegativeの極性を持つ、ペアのネット名です (例、V_RX1_N、あるいは...
Positive Net- displays the positive (+) net in the current differential pair. Differential pairs use a naming convention that requires the relevant nets to use a common prefix, followed by a consistent positive/negative suffix, e.g.,TX0_PandTX0_N. Click the down arrow to view a...
(2018)36. Significantly lower inter-African/European, but not inter-Indigenous-American/European FST was found for our set of lead SNPs compared to the expected values for a set of similar SNPs in terms of minor allele frequency (MAF) and LD score (Fig. 2a, b). Notably, the mean ...
Missing Positive Net in Differential Pair Default Report Mode Recommendation Net Parameters with no Name Default Report Mode Recommendation Net Parameters with no Value Default Report Mode Recommendation Nets Containing Floating Input Pins Default Report Mode ...
We found that the level of noise in these regions is one of the largest, a fact that may explain inconsistencies across studies. AD Course Map fits data with an error of the order of the measurement uncertainty AD Course Map estimates not only a typical progression of clinical and imaging ...
This SD bit serves the same function as the SHDN pin except that the SHDN pin reacts to active low. Also, the SHDN pin affects both channels (AD5282) as opposed to the SD bit, which affects only the channel that is being written to. Note that the shutdown operation does not disturb...