IEC 60244-3B Ed. 1.0现行
Supplement B - Methods of measurement for radio transmitters Part 3: Wanted and unwanted modulation - Unwanted modulation, including hum and noise modulation
出版：International Electrotechnical Committee
专家解读视频
Defines general terms relating to unwanted modulation and terms relating to amplitude and frequency-modulated transmitters. Specifies general measurement conditions and methods of measurement for FM and AM noise and hum levels.
NEN 10244-3:1975 - Identical
DIN IEC 60244-3 (1982-11) - Identical
HD 236.3:1975 - Identical
SS IEC 244-3 Ed. 1 (1997) - Identical
SS IEC 244 Ed. 2 (1991) - Identical
