617 research outputs found

    Cryogenic Characterization of 180 nm CMOS Technology at 100 mK

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    Conventional CMOS technology operated at cryogenic conditions has recently attracted interest for its uses in low-noise electronics. We present one of the first characterizations of 180 nm CMOS technology at a temperature of 100 mK, extracting I/V characteristics, threshold voltages, and transconductance values, as well as observing their temperature dependence. We find that CMOS devices remain fully operational down to these temperatures, although we observe hysteresis effects in some devices. The measurements described in this paper can be used to inform the future design of CMOS devices intended to be operated in this deep cryogenic regime

    Cruise: YR080729, Stations: S4651- S4776, Clay Bank, York River Virginia 6-hour MUDBED Calibration Survey bracketing a Ebb Tide

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    Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location

    Cruise: YR090108, Stations: S4730- S4757, Gloucester Point, York River Virginia 6-hour MUDBED Calibration Survey bracketing a Ebb Tide

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    Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location

    Cruise: YR130521, Stations: S5100- S5124, Clay Bank, York River Virginia 6-hour MUDBED Calibration Survey bracketing an Ebb Tide

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    Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velicometer (ADV) tripod deployed in nearby location

    Cruise: YR110901, Stations: S4976- S4995, Clay Bank, York River Virginia 6-hour MUDBED Calibration Survey bracketing a Flood Tide

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    Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location

    Resistivity, Magnetic Susceptibility and Sediment Characterization of the York River Estuary in Support of the Empirical Investigation of the Factors Influencing Marine Applications of EMI (Year 2 of SERDP Project MR-2409) Final Report.

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    Vessel and personnel support was provided for a series of cruises to three salinity regimes along the York River. Data and samples from a standard suite of hydrographic and sedimentological measurements, as well as electrical resistivity and magnetic susceptibility, were collected and analyzed for each location. These cruises provided opportunities to obtain information that is being used to quantify the unique marine contributions to the early time TEM noise, including conductivity variations in the water and variability in bottom sediment properties in real marine environments, for use in the parallel modeling and electromagnetic-induction sensor work ongoing in the same project. Data collected during Year 1 of this project were used to select the appropriate locations to provide a range of conductivity and sediment conditions

    Cruise: YR080731, Stations: S4677- S4700, Gloucester Point, York River Virginia 6-hour MUDBED Calibration Survey bracketing a Ebb Tide

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    Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location

    Cruise: YR120430, Stations: S4998- S5014, Clay Bank, York River Virginia 6-hour MUDBED Calibration Survey bracketing an Ebb Tide

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    Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velicometer (ADV) tripod deployed in nearby location

    Cruise: YR080416, Stations: S4489- S4497, Gloucester Point, York River Virginia 5-hour MUDBED Calibration Survey bracketing an Ebb Tide

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    Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 5-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location
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