IEC 60244-2B-1969
无线电发射机的测量方法 第2部分:带宽、带外功率和非主振功率 补充2:用于电话及声音广播发射机的带宽及带外功率测量的调制信号
Methods of measurement for radio transmitters. Part 2 : Bandwidth, out-of-band power and power of non-essential oscillations. Second supplement: Modulating signals for the measurement of bandwidth and out-of-band power of transmitters for telephony and so
- 适用范围
- Supplements IEC 244-2 also by the following Appendices: Bibliography, frequency spectrum of a modulating signal consisting of rectangular pulses, conventional telephone signal, voice simulating method of modulation for land mobile communication FM or PM