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Low-noise 115-GHz receiver using superconducting tunnel junctions (1983)

Timble, P. ; Kerr, A. R. ; Pan, S.-K. ; [et al.]

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Publication Date: 2011-08-18

Description: A 110-118-GHz receiver based on a superconducting quasiparticle tunnel junction mixer is described. The single-sideband noise temperature is as low as 68 + or - 3 K. This is nearly twice the sensitivity of any other receiver at this frequency. The receiver was designed using a low-frequency scale model in conjunction with the quantum mixer theory. A scaled version of the receiver for operation at 46 GHz has a single-sideband noise temperature of 55 K. The factors leading to the success of this design are discussed.

Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING

Type: Applied Physics Letters (ISSN 0003-6951); 43; 786-788

Format: text

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