ISSTT Proceedings

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Noise and RF Bandwidth Measurements of a 1.2 THz HEB Heterodyne Receiver

Authors:
A. Skalare, W.R. McGrath, B. Bumble, H.G. LeDuc
Abstract:
Receiver noise and RF coupling bandwidth have been measured for a quasioptically coupled diffusion-cooled hot-electron bolometer mixer at a local oscillator frequency of 1267 GHz and an intermediate frequency of 1.4 GHz. A lowest receiver equivalent noise temperature of 1880 K double-sideband was measured, with an upper limit for the mixer noise temperature of 950 K double-sideband. The amount of absorbed local oscillator power in the bolometer device was approximately 6 nW. The effective instantaneous RF bandwidth measured with a Fourier transform spectrometer was 730 GHz.
Categories:
Hot Electron Bolometers
Year:
1997
Session:
1
Full-text:
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Page Number(s):
47-54