一种小型化可复用的接收前端的设计与实现  

Design and implementation of a miniaturized and reusable receiving front-end

作　　者：张作龙 Zhang Zuolong(Southwest China Institute of Electronic Technology,Chengdu 610036,China)

机构地区：[1]中国西南电子技术研究所,四川成都610036

出　　处：《电子技术应用》2023年第7期25-29,共5页Application of Electronic Technique

摘　　要：设计了一款卫星通信领域的小型化可复用的接收前端,将950 MHz~2150 MHz射频信号经过预选滤波、放大、混频等过程,下变频至720 MHz中频输出。首先介绍了电路的设计方案,并对主要技术指标进行了分析。接收前端的尺寸为105 mm×55 mm×9.5 mm。实现了小型化、通用化设计,可以复用在多种卫星通信设备。A miniaturized and reusable receiving front-end applying to satellite communication is designed in the paper,which converts RF signal of 950 MHz to 2150 MHz to IF by preselected filtering,amplifying and mixing.The design scheme of the circuit is introduced first,and the key indicators are analyzed.The receiving front-end is 105 mm×55 mm×9.5 mm in size.Miniaturization and universal were realized in the paper,which can be reused in various satellite communication devices.

关 键 词：接收前端 可复用 小型化 

分 类 号：TN851.4[电子电信—信息与通信工程]