DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Hyun Sik | ko |
dc.date.accessioned | 2019-03-19T01:55:46Z | - |
dc.date.available | 2019-03-19T01:55:46Z | - |
dc.date.created | 2019-03-08 | - |
dc.date.issued | 2016-09 | - |
dc.identifier.citation | ELECTRONICS LETTERS, v.52, no.19 | - |
dc.identifier.issn | 0013-5194 | - |
dc.identifier.uri | http://hdl.handle.net/10203/251858 | - |
dc.description.abstract | A compact size and low-power multi-bit energy discriminator circuit is presented for X-ray spectrometry CMOS photon-counting detector (PCD) pixels. Because the circuit design is based on an asynchronous linear search, the discriminator with only a single-comparator classifies a sporadically incoming photon into multiple energy-bins, resulting in high spatial resolution and functionality of material-selective imaging. The proposed pixel power required to perform a minimal linear search is significantly less than the power of a conventional parallel search implemented in a flash-type discriminator. A prototype is fabricated in a 130-nm CMOS, and a 3-bit discriminator occupies only 23 x 60 m(2). The circuit dissipates a static power of 1 W with a power supply of 3.3 V (analogue) and 1.2 V (digital). The inaccuracy of energy-binning is measured to be 2.6-3.3 mV rms. | - |
dc.language | English | - |
dc.publisher | INST ENGINEERING TECHNOLOGY-IET | - |
dc.title | Sporadically-driven clock-less in-pixel multi-bit energy discriminator for X-ray spectrometry CMOS PCD imagers | - |
dc.type | Article | - |
dc.identifier.wosid | 000384014300010 | - |
dc.identifier.scopusid | 2-s2.0-84986903137 | - |
dc.type.rims | ART | - |
dc.citation.volume | 52 | - |
dc.citation.issue | 19 | - |
dc.citation.publicationname | ELECTRONICS LETTERS | - |
dc.identifier.doi | 10.1049/el.2016.2629 | - |
dc.contributor.localauthor | Kim, Hyun Sik | - |
dc.description.isOpenAccess | N | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | X-ray imaging | - |
dc.subject.keywordAuthor | CMOS image sensors | - |
dc.subject.keywordAuthor | X-ray spectroscopy | - |
dc.subject.keywordAuthor | low-power electronics | - |
dc.subject.keywordAuthor | photon counting | - |
dc.subject.keywordAuthor | integrated circuit design | - |
dc.subject.keywordAuthor | comparators (circuits) | - |
dc.subject.keywordAuthor | discriminators | - |
dc.subject.keywordAuthor | sporadically-driven clock-less in-pixel multibit energy discriminator circuit | - |
dc.subject.keywordAuthor | X-ray spectrometry CMOS PCD imager | - |
dc.subject.keywordAuthor | photon-counting detector | - |
dc.subject.keywordAuthor | asynchronous linear search | - |
dc.subject.keywordAuthor | single-comparator | - |
dc.subject.keywordAuthor | multiple energy-bins | - |
dc.subject.keywordAuthor | material-selective imaging | - |
dc.subject.keywordAuthor | minimal linear search | - |
dc.subject.keywordAuthor | parallel search | - |
dc.subject.keywordAuthor | flash-type discriminator | - |
dc.subject.keywordAuthor | size 130 nm | - |
dc.subject.keywordAuthor | word length 3 bit | - |
dc.subject.keywordAuthor | power 1 muW | - |
dc.subject.keywordAuthor | voltage 3 | - |
dc.subject.keywordAuthor | 3 V | - |
dc.subject.keywordAuthor | voltage 1 | - |
dc.subject.keywordAuthor | 2 V | - |
dc.subject.keywordAuthor | voltage 2 | - |
dc.subject.keywordAuthor | 6 mV to 3 | - |
dc.subject.keywordAuthor | 3 mV | - |
dc.subject.keywordPlus | DETECTOR | - |
dc.subject.keywordPlus | ARRAYS | - |
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