TY - JOUR
T1 - Dual-Polarity SiPM Readout Electronics Based on 1-bit Sigma-Delta Modulation Circuit for PET Detector Applications
AU - Cheng, Xinyi
AU - Hu, Kun
AU - Shao, Yiping
N1 - Funding Information:
This work was supported by the U.S. National Institute of Health under Grant R01EB019438, Grant R01CA218402, Grant R37CA214639, and Grant R21CA187717.
Funding Information:
Manuscript received April 13, 2019; revised July 3, 2019; accepted July 5, 2019. Date of publication July 31, 2019; date of current version September 16, 2019. This work was supported by the U.S. National Institute of Health under Grant R01EB019438, Grant R01CA218402, Grant R37CA214639, and Grant R21CA187717.
Publisher Copyright:
© 1963-2012 IEEE.
PY - 2019/9
Y1 - 2019/9
N2 - We investigated a simple and effective method to extend 1-bit sigma-delta modulation (SDM) circuit-based charge-to-digital converter (QDC) to read dual-polarity silicon photomultiplier (SiPM) output signals. With the same QDC circuit but different voltage biases to the circuit components, the new circuit can read and process both positive and negative polarity signals. We conducted experimental studies to validate its ability to read and process dual-polarity signals and evaluated its performance for Positron Emission Tomography (PET) detector applications. The results, based on energy, coincidence timing, and crystal identification measurements, show that the circuit provides equal electronics capability for readout of both polarity signals and good performance for SiPM array-based PET imaging detector applications. Overall, the dual-polarity QDC readout electronics can be easily implemented to extend the range of signal polarity and to provide effective and flexible detector frontend electronics for reading single- or dual-polarity SiPM output signals.
AB - We investigated a simple and effective method to extend 1-bit sigma-delta modulation (SDM) circuit-based charge-to-digital converter (QDC) to read dual-polarity silicon photomultiplier (SiPM) output signals. With the same QDC circuit but different voltage biases to the circuit components, the new circuit can read and process both positive and negative polarity signals. We conducted experimental studies to validate its ability to read and process dual-polarity signals and evaluated its performance for Positron Emission Tomography (PET) detector applications. The results, based on energy, coincidence timing, and crystal identification measurements, show that the circuit provides equal electronics capability for readout of both polarity signals and good performance for SiPM array-based PET imaging detector applications. Overall, the dual-polarity QDC readout electronics can be easily implemented to extend the range of signal polarity and to provide effective and flexible detector frontend electronics for reading single- or dual-polarity SiPM output signals.
KW - Readout electronics
KW - scintillator detector
KW - sigma-delta modulation (SDM)
KW - silicon photomultiplier (SiPM) array
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U2 - 10.1109/TNS.2019.2932270
DO - 10.1109/TNS.2019.2932270
M3 - Article
AN - SCOPUS:85072542015
SN - 0018-9499
VL - 66
SP - 2107
EP - 2113
JO - IEEE Transactions on Nuclear Science
JF - IEEE Transactions on Nuclear Science
IS - 9
M1 - 8782569
ER -