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This paper discusses to conduct experimental verification of two types of micro electric vehicles (EV) in order to realize improvement in electric mileage and shorten a charging time of the battery. First, electric double layer capacitors (EDLC) to use as a secondary battery are proposed. The internal resistance of EDLC is small compared with a rechargeable battery, and it is suitable for momentary...
We report on the recent development of a low-noise analog front-end ASIC for hard X-ray and gamma-ray detectors. The ASIC aims for the readout of strip detectors utilizing silicon and cadmium telluride (CdTe) as detector materials. Each readout channel includes a charge-sensitive amplifier, band-pass filters and sample-and-hold circuit. It also includes a leakage current compensation circuit to accommodate...
We present the performance and radiation tolerance of an analog application-specified integrated circuit (ASIC) developed for the engineering model of X-ray charge-coupled device (CCD) camera onboard the next Japanese astronomical satellite. The ASIC has four identical channels and each of them equips a pre-amplifier and two DeltaSigma analog-to-digital converters. The 3 mm square bare chip has been...
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