CAJ | 학술논문

低噪声放大器是射频前端中不可或缺也是极为重要的一部分。它是为了过滤和增强无线电信号，减少相应的噪声干扰，为下一个射频信号处理模块提供完整、可靠电信号。针对北斗一代而设计的具有高增益、低噪声系数的一种低噪声放大器设计方案，选用ATF54143和SGL0622Z作为核心器件。经原理图仿真、版图联合仿真及实际测试均符合设计要求。
저조성방대기시사빈전단중불가혹결야시겁위중요적일부분。타시위료과려화증강무선전신호，감소상응적조성간우，위하일개사빈신호처리모괴제공완정、가고전신호。침대북두일대이설계적구유고증익、저조성계수적일충저조성방대기설계방안，선용ATF54143화SGL0622Z작위핵심기건。경원리도방진、판도연합방진급실제측시균부합설계요구。
The low noise amplifier ( LNA) is the indispensable and important part as the front of RF.It is designed to filter and enhance the radio signals, decrease the interference of noise, provide compete and reliable signal for the RF signal processing module.The design of LNA based on “Beidou star-I” satellite's navigation which has higher amplify and lower noise,and choosing the ATF54143 and SGL0622Z as the core chips.The result meets the requirement in the schematic simulation, combined with simulation layout and reality circuit test.