High temperature superconducting elliptic filters for UMTS Cryogenic Receiver
Piel, H., Aminov, B., Chaloupka, H., Getta, M., Kolesov, S., Wehler, D., Mazierska, J., Sinclair, M., Knack, A., and Jacob, M.V. (2004) High temperature superconducting elliptic filters for UMTS Cryogenic Receiver. Proceedings of Asia Pacific Microwave Conference 2004. Asia Pacific Microwave Conference , 15 - 18 December 2004, New Delhi, India , pp. 1-4.
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High Temperature Superconducting (HTS) planar filters exhibit sharp skirts and very low insertion loss. Base station receivers with cooled low noise amplifiers and HTS filters can provide improved reduction of interference, better utilization of the spectrum and a higher signal to noise ratio. In this paper HTS filters for a UMTS cryogenic receiver are presented. The filters are based on an elliptic design and fabricated using YBCO coated sapphire substrates. The measured noise figure of a nine pole UMTS filter with a low noise amplifier doe not exceed 0.7dB.
|Item Type:||Conference Item (Refereed Research Paper - E1)|
|Keywords:||elliptic filter; HTS; mobile communications; superconducting filter; superconductors; UMTS|
|FoR Codes:||09 ENGINEERING > 0912 Materials Engineering > 091201 Ceramics @ 100%|
|SEO Codes:||89 INFORMATION AND COMMUNICATION SERVICES > 8901 Communication Networks and Services > 890199 Communication Networks and Services not elsewhere classified @ 80%|
86 MANUFACTURING > 8616 Computer Hardware and Electronic Equipment > 861603 Integrated Circuits and Devices @ 20%
|Deposited On:||13 Jul 2010 09:35|
|Last Modified:||12 Feb 2011 03:08|
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