ADA子卡的AD通道能传输直流信号吗？

From Terasic Wiki

Revision as of 15:06, 26 August 2019 by Jmlei (Talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

ADA子卡的AD通道是不能传输直流信号的。

我们的ADA子卡主要是针对高频信号传输来设计的。如下图所示，在AD通道处有变压器（transformer），限制其只能输出交流信号；而且如果传输的交流信号频率过低（比较接近直流信号的频率），也会被过滤掉而无法传输。

AD处的transformer.png


back

Retrieved from "http://www.terasic.com.tw/wiki/ADA%E5%AD%90%E5%8D%A1%E7%9A%84AD%E9%80%9A%E9%81%93%E8%83%BD%E4%BC%A0%E8%BE%93%E7%9B%B4%E6%B5%81%E4%BF%A1%E5%8F%B7%E5%90%97%EF%BC%9F"
Personal tools