DESIGN AND PERFORMANCE OF LOW-NOISE HYBRID SUPERCONDUCTOR SEMICONDUCTOR 7.4 GHZ RECEIVER DOWNCONVERTER

被引:3
作者
BARNER, JB
BAUTISTA, JJ
BOWEN, JG
CHEW, W
FOOTE, MC
FUJIWARA, BH
GUERN, AJ
HUNT, BJ
JAVADI, HHS
ORTIZ, GG
RASCOE, DL
VASQUEZ, RP
WAMHOF, PD
BHASIN, KB
LEONARD, RF
ROMANOFSKY, RR
CHOREY, CM
机构
[1] NASA,LEWIS RES CTR,CLEVELAND,OH 44135
[2] SVERDRUP TECHNOL INC,LERC GRP,BROOKPARK,OH 44142
关键词
D O I
10.1109/77.402991
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Low noise receivers play critical role in space applications. Thin film high-crtical -temperature-superconducting (HTS) passive circuits were combined with GaAs microwave devices to achieve ultra low noise and small size receiver downconverter at 77 K. HTS pre-select filter, a cryogenic mixer, and a hybrid oscillator with an HTS resonator were designed, fabricated and interconnected to produce a low-noise hybrid superconductor/semiconductor 7.4 Ghz microwave reciever. When cooled to 77K, the downconverter plus cables inside a cryogenic refrigerator had a noise figure of approximately 0.7dB with convdersion gain of 18 dB. In addition to reduce noise figure, advantages of small size and low power consumption are obsereved due to the use of HTS circuits in the downconverter.
引用
收藏
页码:2075 / 2078
页数:4
相关论文
共 4 条
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[3]  
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