多发射手机的FCC SAR测试技术要求
Technical Requirements of FCC SAR Test for Multi-transmitter
Handset
摘要:从工作频率、发射功率、天线间的距离、SAR分布等方面,阐述FCC对集成了多个同时发射的射频模块和天线的手机的SAR测试技术要求,内容包括仅需进行单发射机模式SAR评估的条件、多发射模式的SAR测试判定原则和执行程序、以及头部模型的紧凑部位的替代测量方法等。
关键词:美国联邦通信委员会;比吸收率;多发射手机;需授权发射机;免授权发射机;SAR值-峰值距离比
Abstract:The conditions of electromagnetic exposure are very complicated for the mobile
phones involved with multiple RF transmitters and simultaneous transmitting antennas
Based on the principle of evaluation conservativeness as well as test simplification,
and on the considerations of the operating frequencies, transmitting powers, the
distances between antennas and the SAR distribution, FCC established the rules of
evaluation on EM exposure for multi-transmitter handsets, which include the
conditions for only single transmitter mode SAR test, the determination principles and
implementation protocols for multi-transmitters mode SAR test, and substitute
measurement methods for the SAR test in the compact area of head SAM phantom,
etc.
Keywords:FCC;SAR;multi-transmitter handset, licensed transmitter, unlicensed
transmitter, SDR
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