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IEC 60489-4:1980 ed1.0
Methods of measurement for radio equipment used in the mobile services - Part 4: Transmitters employing single-sideband emissions (A3A, A3H or A3J)
33 стр.
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Разработчик:
Зарубежные/IEC
ICS:
33.060.20 Receiving and transmitting equipment / Приемная и передающая аппаратура33.060.30 Radio relay and fixed satellite communications systems / Радиорелейные и стационарные спутниковые системы связи
Описание
Covers the definitions, the conditions and the methods of measurement used to ascertain the performance of transmitters having audio-frequency bandwidths generally not exceeding 10 kHz for the transmission of voice and other types of signals, using single-sideband amplitude modulation with full, reduced or suppressed carrier. This standard is intended to be used in conjunction with IEC 489-1.