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为适应未来雷达天线阵面向轻量化、高效率方向发展的需求,研制了一种为T/R组件供电的高密度、高效率、三路输出的电源模块。文中提出一种结合变压器辅助绕组的供电方式,解决了模块内部的所有控制电路的供电问题;采用同步整流技术,有效提高转换效率;介绍了多路输出互锁保护的设计方法,有效提高模块的可靠性。最后给出了样机的实验数据和波形,验证了该设计方案的正确性和有效性。
In order to meet the requirements of the future radar antenna array in the direction of light weight and high efficiency, a high-density, high-efficiency and three-output power module for powering the T / R module has been developed. In this paper, a power supply mode based on the auxiliary windings of the transformer is proposed to solve the power supply problem of all the control circuits in the module. The synchronous rectification technique is adopted to effectively improve the conversion efficiency. The design method of multi-output interlock protection is introduced to improve the efficiency of the module reliability. Finally, the experimental data and waveforms of the prototype are given, which verify the correctness and effectiveness of the design.