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Highly Packaged HEB Receivers Using Three-Dimensional Integration

Highly Packaged HEB Receivers Using Three-Dimensional Integration,F. Rodriguez-Morales,S. Yngvesson,D. Gu,N. Wadefalk,K. Fu,C. Chan,J. Nicholson,E. Ge

Highly Packaged HEB Receivers Using Three-Dimensional Integration   (Citations: 2)
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We report a remarkable progress in the develop- ment of highly packaged heterodyne receivers using NbN HEB mixers and MMIC IF amplifiers. We are presenting a record IF noise bandwidth of 8 GHz (measured for a »700 GHz LO) using a lumped element matching network for the input of the IF pre- amplifier. Further, we describe the first three-dimensional (3-D) integration of a sub-millimeter mixer and its pre-amplifier using a simple vertical feed-through structure. Thereby, we achieve a volume shrinkage of at least 20 times, accompanied by a mass reduction of 15:1. These receivers bring promise for the implementation of large-format arrays for heterodyne terahertz sensing applications.
Published in 2007.
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    • ...For an illustration of the apparatus used for this part, the reader is referred to [13], where this measurement technique is also discussed...
    • ...5 A plot for the results obtained with sample #D can be found in [13]...
    • ...We note, however, that the variation of the noise bandwidth as a function of LO frequency (as predicted from the model) reported here is in qualitative agreement with that reported in [13]...
    • ...694 GHz)fordevice #Dinstalled inthe same integratedreceiver module [13]...

    Fernando Rodriguez-Moraleset al. Wideband IF-Integrated Terahertz HEB Mixers: Modeling and Characteriza...

    • ...Further improvements are possible in NE T since the system noise temperature can be decreased to approximately 1000 K, while the effective IF bandwidth can be increased to as much as 8 GHz, as demonstrated in another recent HEB integrated receiver [28]...

    Eyal Gerechtet al. A Passive Heterodyne Hot Electron Bolometer Imager Operating at 850 GH...

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