一种100ns共面结构高温超导延迟线  

A 100ns Coplanar HTS Delayline

作　　者：杨时红[1] 胡来平[1] 丁晓杰[1] 左涛[1] 

机构地区：[1]中国电子科技集团公司第16研究所,合肥230043

出　　处：《中国电子科学研究院学报》2010年第5期481-485,共5页Journal of China Academy of Electronics and Information Technology

基　　金：国家高技术研究发展(863)计划资助项目(2007AA03Z216)

摘　　要：介绍了设计的100 ns共面结构高温超导延迟线。采用的基片为直径为φ2英寸的铝酸镧,双面溅射高温超导YBCO薄膜,制备了实际的电路,分别进行了2片和4片的级联,获得了长延时的结果。实测结果显示：在65 K下,4片级联的高温超导延迟线在1.5-6.5 GHz的频率范围内,延时100 ns以上,插入损耗小于6.3 dB,驻波比优于1.6。良好的驻波性能（反射波损耗）使得这种延迟线能够与其他组件级联起来不会使系统的性能降低。该成果处于国际先进水平。A high temperature superconducting（HTS） coplanar delay line with meandered structure is designed.The delay line is fabricated on a 2 inches LaALO3 substrate,which is double-coated with YBCO film.Long delay time has been gained with 2-piece and 4-piece cascaded structures respectively.The measured results show that at 65 K and the frequency between 1.5 GHz to 6.5 GHz,the delay time of a 4-piece cascaded HTS delay line is longer than 100 ns,and the insertion loss is lower than 6.3 dB,and the VSWR is better than 1.6.Excellent return loss performance enables the delay line to be cascaded with other components without any degradation in the system.This work is leading in the world.

关 键 词：延迟线 高温超导 100ns 

分 类 号：TN812[电子电信—信息与通信工程] O551.4[理学—热学与物质分子运动论]