下变频放大滤波模块的设计  

Design of Down-Conversion Ampliflcation Filter Module

作　　者：董思源 李峰 王慷 DONG Si-yuan;LI Feng;WANG Kang(No.43 Research Institute of CETC,Hefei 230088)

机构地区：[1]中国电子科技集团公司第四十三研究所,安徽省合肥市230022

出　　处：《混合微电子技术》2020年第3期63-65,共3页Hybrid Microelectronics Technology

摘　　要：本文设计了一个下变频滤波放大模块,通过两次信号混频,将30MHz〜512MHz的信号变频至21.4MHz。其通道运用了声表滤波器、放大器、混频器等元器件。本文分析了该模块的工作原理,对电路进行了设计,随后制作了实物并给出了测试结果及数据。This article designed a down—conversion module which can amplify and filtering signal,through two signal mixing,the signal of 30MHz-512MHz is converted to 21.4MHz.Saw filter,amplifier and mixer are used in this module.We analyze the working principle of the module,design the circuit and give the test results and data.

关 键 词：下变频 放大器 声表滤波器 

分 类 号：TN713[电子电信—电路与系统] TN722