标准摘要
[中文适用范围]： 适用于频率调制器的电气特性。在可能的情况下，仅涉及基本调制器的测量，即排除包括预加重网络和与声卡相关的网络的基带部分。 [外文原描述]： Gives methods of measurement for the electrical characteristics of frequency modulators, using where possible only measurement involving the basic modulator.
英文名称Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2: Measurements for sub-systems. Section Four: Frequency modulators