MIOS: Millimeter Wave Radiometers for the Space‐Based Observation of the Sun

Alimenti, F.; Battistini, Alfredo; Palazzari, V.; Roselli, L.; White, S. M.

doi:10.1002/9781118405864.ch13

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2012

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“…The antenna noise temperature T A can be evaluated in terms of system parameters by using the following formula [26]:…”

Section: Instrument Architecturementioning

confidence: 99%

SYSTEM-ON-CHIP 36.8 GHZ RADIOMETER FOR SPACE-BASED OBSERVATION OF SOLAR FLARES: FEASIBILITY STUDY IN 0.25 μm SIGE BICMOS TECHNOLOGY

Aluigi¹,

Roselli²,

White³

et al. 2012

PIER

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Abstract-This paper deals with a feasibility study for a System-onChip (SoC) mm-wave radiometer devoted to space-based observation of solar flares and operating in the Ka-band. The radiometer has been designed in 250 nm SiGe BiCMOS process. The circuit integrates a three stages differential LNA with 37.2 dB gain and 4.8 dB noise figure at 36.8 GHz and a differential square-law detector based on HBTs, featuring a 96 mV/µW responsivity. The full radiometer achieves, potentially, a NETD of 0.1 K for 1 s integration time in Dicke mode. This work represents the first study of such an integrated instrument for Ka-band space-based observation of solar flares.

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“…The antenna noise temperature T A can be evaluated in terms of system parameters by using the following formula [26]:…”

Section: Instrument Architecturementioning

confidence: 99%