@InProceedings{Cherednichenko_etal2005,
author="Cherednichenko, S.
and Kollberg, E.
and Angelov, I.
and Drakinskiy, V.
and Berg, T.
and Merkel, H.",
title="Effect of the direct detection effect on the HEB receiver sensitivity calibration",
booktitle="Proc. 16$^{th}$ Int. Symp. Space Terahertz Technol.",
year="2005",
address="G{\"o}teborg, Sweden",
pages="235--239",
optkeywords="HEB; mixer; direct detection effect",
abstract="We analyze the scale of the HEB receiver sensitivity calibration error caused by the so called {\textquoteleft}{\textquoteleft}direct detection effect{\textquoteright}{\textquoteright}. The effect comes from changing of the HEB parameters when whey face the calibration loads of different temperatures. We found that for HIFI Band 6 mixers (Herschel Space Observatory) the noise temperature error is of the order of 8{\%} for 300K/77K loads (lab receiver) and 2.5{\%} for 100K/10K loads (in HIFI). Using different approach we also predict that with an isolator between the mixer and the low noise amplifiers the error can be much smaller.",
optnote="exported from refbase (https://db.rplab.ru/refbase/show.php?record=360), last updated on Fri, 21 May 2021 14:03:39 -0500"
}