Browsing by Author "Hoppe, D."

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A multioctave 8 GHz-40 GHz receiver for radio astronomy

Kooi, J. W.; Soriano, M.; Bowen, j.; Abdulla, Z.; Samoska, L.; Fung, A. K.; Manthena, R.; Hoppe, D.; Javadi, H.; Crawford, T.; Hayton, D. J.; Malo-Gómez, I.; Gallego-Puyol, J. D.; Akgiray, Ahmed Halid; Gabritchidze, B.; Cleary, K. A.; Jacobs, C.; Lazio, J. (IEEE, 2023-04)

Accurate measurement of angular positions on the sky requires a well-defined system of reference, something that in practice is realized by the International Celestial Reference Frame (ICRF) with observations of distant ...
X- To Ka- Band cryogenic LNA module for very long baseline interferometry

Fung, A.; Samoska, L.; Bowen, J.; Montanez, S.; Kooi, J.; Soriano, M.; Jacobs, C.; Manthena, R.; Hoppe, D.; Akgiray, Ahmed Halid; Lai, R.; Mei, X.; Barsky, M. (IEEE, 2020)

We report a new result of a packaged low noise amplifier (LNA) module with wide bandwidth of 5 to 35 GHz and low noise temperature performance of 10 -18 K, while operated at 10 K ambient. The LNA used 3-stages of sub-50 ...

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