7427 TTL3输入端三或非门
This device contains three independent gates each of whichperforms the logic NOR function....
This device contains three independent gates each of whichperforms the logic NOR function....
该文讲述了在电源界里线性电源的一大应用器件——三端稳压器,具有简单的结构和优越的稳压性能,低噪声,很适合初学者应用...
LM317三端可调稳压器 PDF版...
实用资料...
常用三端稳压管78L05资料...