@inproceedings{309bb5500a4147f2b3cb1e5b546bcf0e,
title = "Status of Testing and Characterization of the Speedster-EXD550 X-ray Hybrid CMOS Detector",
abstract = "The novel Speedster-EXD550 is a 550×550-pixel X-ray hybrid CMOS detector (HCD) with event-driven readout capabilities and 40-micron pixel pitch. In event-driven readout mode, only the pixels that contain sufficient liberated charge from the absorption of an x-ray will be read out. Event-driven readout allows for even faster readout speed than other HCDs, reaching readout speeds up to 10,000 frames/sec. The high frame rate of the Speedster-EXD550 is desirable for future missions as the effects of dark current and x-ray pile-up will be reduced. The readout circuitry within the ROIC for the Speedster-EXD550 contains a high-gain capacitive transimpedance amplifier, in-pixel correlated double sampling, and an in-pixel comparator enabling event-driven readout. The Speedster-EXD550 also utilizes column-parallel on-chip digitization. The ability of the Speedster-EXD550 will be demonstrated on BlackCAT, a funded NASA CubeSat mission. Testing and characterization of the SpeedsterEXD550 has been done by the Penn State High Energy Astrophysics Detector and Instrumentation lab in both full-frame and event-driven readout modes. A radioactive 55Fe source was used for the measurements presented. Here, we discuss the methods and recent results for the characterization of the Speedster-EXD550 dark current, read noise, gain, and gain variation.",
author = "Stone, {Lukas R.} and Falcone, {Abraham D.} and Colosimo, {Joseph M.} and Timothy Emeigh and Mitchell Wages and Bevidas, {William A.} and Buffington, {Jacob C.} and Burrows, {David Nelson} and Catlin, {Zachary E.} and Grzybowski, {Hannah M.} and Fredric Hancock and Jennerjahn, {Evan C.} and Jordan Josties and Reichard, {Collin S.} and Scigliani, {Ana C.} and Ian Thornton",
note = "Publisher Copyright: {\textcopyright} 2023 SPIE.; UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXIII 2023 ; Conference date: 20-08-2023 Through 22-08-2023",
year = "2023",
doi = "10.1117/12.2676983",
language = "English (US)",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Siegmund, {Oswald H.} and Keri Hoadley",
booktitle = "UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXIII",
address = "United States",
}