ArticleProceedings of SPIE--the International Society for Optical Engineering2021
Back-end readout electronic design and initial results: a head-and-neck dedicated PET system based on CZT.
Article in Proceedings of SPIE--the International Society for Optical Engineering, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Combining PET and Compton imaging with edge-on CZT detectors for enhanced diagnostic capabilities.Advances in radiotherapy & nuclear medicine · 2024Article
- Development and Characterization of Modular Readout Design for Two-Panel Head-and-Neck Dedicated PET System Based on CZT Detectors.IEEE transactions on radiation and plasma medical sciences · 2022Article
- Reduction of the Low Energy Threshold through New Modular Data Acquisition Electronics for Cross-strip Cadmium Zinc Telluride (CZT) based PET System.IEEE Nuclear Science Symposium conference record. Nuclear Science Symposium · 2021Article
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3 authors.
Funding
Abstract
Cadmium zinc telluride (CZT) radiation detectors are suitable for various applications, due to good energy performance at room temperature and simple pixilation to achieve high spatial resolution. Our group is developing a two-panel head-and-neck dedicated positron emission tomography (PET) system with CZT detectors. In this work, we present the back-end readout electronic design and the initial electronic noise results of our system. The back-end readout electronic incorporates RENA boards (a total 150 RENA boards for each panel), 30:1 fan-in boards connecting 30 RENA boards to the PicoZed 7010/7020 board (a total 5 fan-in boards for each panel). In each panel, 5:1 intermediate boards are used for biasing CZT detectors. The RENA board and the Picozed board are capable of data transmission of 50 Mbps and 6.6 Gbps, respectively. Electronic noise was also quantified using a square wave test pulse that provides charge injection into each channel of the RENA chip in the amount of 75fC/Volt. The pulse amplitude was chosen to generate approximately the same amount of charges as 511 keV photon would provide for each channels. The FWHM electronic noise at 511 keV was measured to be less than 1% (FWHM of 7.80 ± 1.47 ADC units or 4.89 ± 0.92 keV after conversion).
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