1 Ocak 2019 Dergi makalesi Açık Erişim

Abbas, Shahbaz; Ceylan, Omer; Gurbuz, Yasar

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{
  "@context": "https://schema.org/", 
  "@id": 71247, 
  "@type": "ScholarlyArticle", 
  "creator": [
    {
      "@type": "Person", 
      "affiliation": "Sabanci Univ, Fac Engn & Nat Sci, TR-34956 Istanbul, Turkey", 
      "name": "Abbas, Shahbaz"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Sabanci Univ, Fac Engn & Nat Sci, TR-34956 Istanbul, Turkey", 
      "name": "Ceylan, Omer"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Sabanci Univ, Fac Engn & Nat Sci, TR-34956 Istanbul, Turkey", 
      "name": "Gurbuz, Yasar"
    }
  ], 
  "datePublished": "2019-01-01", 
  "description": "This paper presents a digital readout integrated circuit (DROIC) for small pitch medium-wave infrared (MWIR) starring focal plane arrays (FPAs). To overcome the limited in-pixel resolution of such DROICs, the concept of error shaping is introduced in pulse frequency modulation (PFM)-based pixels. Multiple integration operations are performed in a single frame and the residue charge from each integration phase is retained and injected into the next charge packet. This over-integration routine provides a high pass noise transfer function (NTF) equivalent to what is obtained in a first order sigma delta modulator. The concise structure of a PFM analog-to-digital converter (ADC) lends itself well to such an operation inside the pixel, while consuming low power. Along with a theoretical analysis of the technique, a prototype based on a 16 x 16 array and sinc decimation filters is developed to demonstrate the performance of the proposed DROIC. With an in-pixel resolution of 5 bits and over-integration ratio (OIR) of 128, 395 noise electrons are demonstrated at full-well fill from the test array fabricated in a 90 nm bulk-CMOS process.", 
  "headline": "A DROIC Based on PFM ADCs Employing Over-Integration for Error Shaping", 
  "identifier": 71247, 
  "image": "https://aperta.ulakbim.gov.tr/static/img/logo/aperta_logo_with_icon.svg", 
  "license": "http://www.opendefinition.org/licenses/cc-by", 
  "name": "A DROIC Based on PFM ADCs Employing Over-Integration for Error Shaping", 
  "url": "https://aperta.ulakbim.gov.tr/record/71247"
}