IEC 60747-16-4:20 04+A1:2009提供了新的测量方法、术语和字母符号，以及集成电路微波开关的基本额定值和特性。交换机中的射频端口有多种组合，如SPST（单刀单掷）、SPDT（单刀双掷）、SP3T（单刀三掷）、DPDT（双刀双掷）等，本标准中的交换机均基于SPDT。然而，该标准适用于其他类型的开关。 本合并版本由第一版（2004年）组成 及其修正案1（2009年）。因此，无须在 本出版物的补充。

IEC 60747-16-4:2004+A1:2009 provides new measuring methods, terminology and letter symbols, as well as essential ratings and characteristics for integrated circuit microwave switches. There are many combinations for RF ports in switches, such as SPST (single pole single throw), SPDT (single pole double throw), SP3T (single pole triple throw), DPDT (double pole double throw), etc. Switches in this standard are based on SPDT. However, this standard is applicable to the other types of switches. This consolidated version consists of the first edition (2004) and its amendment 1 (2009). Therefore, no need to order amendment in addition to this publication.