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Cryogenic low noise amplifier for VHF band applied in superconducting filter

✍ Scribed by Shiming Tang; Xiaoping Zhang; Xubo Guo; Bin Wei; Bisong Cao; Baoxin Gao

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
475 KB
Volume
50
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A low noise amplifiers (LNA) using common source parallel feedback have been designed and developed with high performance at liquid nitrogen temperature. The measured results show that the frequency band from 150 to 300 MHz in which the noise figure (NF) is within 0.55 dB, the power gain is about 21.6 ± 0.1 dB, the input volt standing wave ratio (VSWR~in~) < 1.1, output volt standing wave ratio (VSWR~out~) < 1.3 at 70 K. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1937–1940, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23497

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