超导接收机中低射频低温低噪声放大器的研制  

The design and fabrication of low RF CLNA for HTS receiver

作　　者：王国彬[1] 张晓平[1] 魏斌[1] 曹必松[1] 

机构地区：[1]清华大学物理系,北京100084

出　　处：《电子技术应用》2007年第8期113-116,共4页Application of Electronic Technique

基　　金：国家自然科学基金项目(60471001)

摘　　要：提出了分别工作于低温和常温下级联使用的两级低射频低温低噪声放大器的设计方案,给出了改善电路条件稳定和便于调谐的具体方法。测试结果表明,此两级低射频低温低噪声放大器完全满足高性能高温超导接收机的指标要求。A double-stage low RF cryogenic LNA which worked at cryogenic and room temperature respectively has been designed and fabricated. Specific methods were presented to improve the conditional stability of circuit and convenience for tuning. Test results showed that it satisfied the high request for HTS receiver completely.

关 键 词：高温超导接收机前端 条件稳定 低射频 低温低噪声放大器 

分 类 号：TN722.3[电子电信—电路与系统]