Multiloop Integrated DC-SQUID Low Noise RF Amplifiers
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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- 1.J.E.Zimmerman and D.B.Sullivan, Appl. Phys. Lett. 11, N5, 360–362 (1977).Google Scholar
- 4.V.N.Gubankov and M.A.Tarasov, Radiotechn. and Electron, (in Russian) 25, N 2, 381–384 (1980).Google Scholar
- 5.M.A.Tarasov, V.Yu. Belitsky, G.V.Prokopenko, L.V. Filippenko and V.P. Koshelets, ISEC91, to be published.Google Scholar