Abstract
The noise and signal parameters of several types of RF amplifiers based on different SQUIDs were studied. A new type of the multiloop dc SQUID in the form of a second order gradiometer with integrated input coil and extremely low stray capacitances was designed. An amplifier noise temperature lower than 0.5 K and a power gain of nearly 20 dB were obtained at 430 MHz for 60 MHz bandwidth.
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M.A.Tarasov, V.Yu. Belitsky, G.V.Prokopenko, L.V. Filippenko and V.P. Koshelets, ISEC91, to be published.
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© 1992 Springer-Verlag Berlin Heidelberg
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Tarasov, M.A., Belitsky, V.Y., Prokopenko, G.V., Filippenko, L.V. (1992). Multiloop Integrated DC-SQUID Low Noise RF Amplifiers. In: Koch, H., Lübbig, H. (eds) Superconducting Devices and Their Applications. Springer Proceedings in Physics, vol 64. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-77457-7_74
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DOI: https://doi.org/10.1007/978-3-642-77457-7_74
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-77459-1
Online ISBN: 978-3-642-77457-7
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