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. Author manuscript; available in PMC: 2021 Jan 5.
Published in final edited form as: Astron Astrophys. 2021 Jan 5;645:A37. doi: 10.1051/0004-6361/202038701

Table 3.

Measured performance of the cryogenic LNAs at 15K physical temperature. The values of noise temperature (T n) and gain (G) are the average value in the band and P diss is the total heat power dissipation at the optimum bias value.

Band (GHz) T n (av) (K) G (av) (dB) P diss (mW)
YMWN 2001 72 – 91 27.9 25.9 23.2
YMWN 2004 72 – 91 26.2 25.3 23.8
YQN 1005 31 – 50 13.9 36.3 16.0
YQN 1007 31 – 50 14.7 35.3 16.0