Minimum noise temperature of a practical SIS quantum mixer |
| |
Authors: | H J Hartfuss M Tutter |
| |
Affiliation: | 1. Max-Planck-Institut für Plasmaphysik, EURATOM Ass., 8046, Garching, W.-Germany
|
| |
Abstract: | Noise temperature of a SIS quantum mixer has been calculated as function of local oscillator voltage and signal source conductance on the basis of a measured I–V characteristic. Applying Tucker's quantum theory of mixing /1/, it is shown that the SIS mixer is quantum noise limited. Using cryogenic intermediate frequency amplifier, receiver noise temperature of 20 K seems to be possible at mm wavelength. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|