ISSTT Proceedings

ISSTT Proceedings

You searched for:search icon

No Keywords
Showing 0 of items from your search. Start over 

Effect of the direct detection effect on the HEB receiver sensitivity calibration

Authors:
S. Cherednichenko, V. Drakinskiy, T. Berg, E. Kollberg, I. Angelov
Abstract:
We analyze the scale of the HEB receiver sensitivity calibration error caused by the so called "direct detection effect". 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.
Categories:
Hot Electron Bolometers, Poster Session
Year:
2005
Session:
5D
Full-text:
Download a PDF of this paper.
Page Number(s):
235-239