对于高频的电路设计，就必须要考虑阻抗匹配的问题，否则信号的质量和传输距离就会受到严重影响，本文介绍了如何理解阻抗匹配的问题，是难得得资料。-For high-frequency circuit design, it is necessary to consider the problem of impedance matching, or the quality of the signal and the transmission distance can be severely affecte