| L波段VGA模块的设计 |
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| 引用本文： | 钟子豪.L波段VGA模块的设计[J].工业控制计算机,2019,32(8):37-38. |
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| 作者姓名： | 钟子豪 |
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| 作者单位： | 南京国睿安泰信科技股份有限公司,江苏 南京,210013 |
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| 摘 要： | 主要针对微波通信中,面临的射频收发组件输出功率不稳定以及输出功率高于放大器线性工作范围,使得组件内部产生过多的噪声并被放大,从而影响整个微波通信传输的问题。通过对组件链路的研究,给出了采取在前级用VGA(可变增益放大器)模块实时调节链路增益的方法,来控制发射组件末级的输出功率及输出功率稳定性,使得微波通信正常稳定工作。
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| 关 键 词： | VGA 微波电路 L波段 |
Design of L-Band VGA Module |
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| Abstract: | In this paper,the output power of radio frequency transceiver component is unstable and the output power is higher than the linear working range of the amplifier in microwave communication.Through the research of the component link,the method of adjusting the link gain in real time with VGA(variable gain amplifier) module in the previous stage is given to control the output power and output power stability of the last stage of the transmission component,so that the microwave communication is normal and stable work. |
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| Keywords: | VGA microwave circuit L-Band |
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