IEC 60244-3B : 1.0现行
METHODS OF MEASUREMENT FOR RADIO TRANSMITTERS - WANTED AND UNWANTED MODULATION - SECOND SUPPLEMENT: 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 - Identical
DS IEC 244-3B : 1978 - Identical
HD 236.3 : 200S1 - Identical
NEN 10244-3 : 1975 - Identical
DS IEC 244-3B : 1978 - Identical
DIN IEC 60244-3 : 1982 - Identical
