Amplifier circuit for a silicon-photomultiplier-coupled plastic scintillator detector

Table 1. PD1150F plastic scintillator parameters
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Table 1. PD1150F plastic scintillator parameters
PD1150F
相对光输出（蒽晶体）Relative light output 50%~60%
折射率Refractivity 1.58
密度Density 1.05
衰减时间Decay time / ns 2.40
衰减长度Attenuation length / m 2.44

Table 2. Parameter comparison between the performance of AD8014 and OPA657

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Table 2. Parameter comparison between the performance of AD8014 and OPA657

芯片

Chip

、

-3dB带宽

-3dB Bandwidth / MHz

、

压摆率

Slew rate / V·μs^-1

、

输入电压噪声

Input voltage noise / nV·Hz ^-1/2

、

电源抑制比

Power supply rejection ratio / dB

、

OPA657

350

700

4.8

AD8014

400

4 000

3.5

Table 3. Comparison between simulated and experimental waveform parameters

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Table 3. Comparison between simulated and experimental waveform parameters

	AD8014	OPA657
模拟上升时间 Simulated rise time / ns	8.5	18.0
模拟幅值 Simulated amplitude / mV	104.3	81.3
实验上升时间 Experimental rise time / ns	10.6	19.7
实验幅值 Experimental amplitude / mV	107.4	84.3
增益 Gain / dB	66.7	64.6
-3dB带宽 -3dB Bandwidth / MHz	49.3	40.8

Table 4. SiPM count rates at different distances

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Table 4. SiPM count rates at different distances

距离 Distance / cm 、	AD8014计数率 AD8014 / s^-1 、	OPA657计数率 OPA657 / s^-1 、
1	542.38	282.72
2	455.25	178.35
3	382.57	157.89
4	329.14	154.95
5	231.63	147.00
10	139.09	77.35
15	20.96	18.30
20	8.66	8.02
25	6.16	7.58
30	5.72	7.42

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Chenyang TANG, Xinnan CHEN, Chunyu GAO, Yupeng LI, Xiao WANG, Xiuzhang TANG. Amplifier circuit for a silicon-photomultiplier-coupled plastic scintillator detector[J]. NUCLEAR TECHNIQUES, 2024, 47(3): 030403

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