Development of a shaper and discriminator chip with time walk compensation for HFRS-TPC detector

被引：0

作者：

Yang, Mingyu ^{[1
,2
,3
,4
]}

Qian, Yi ^{[1
,3
,4
]}

Pu, Tianlei ^{[1
,4
]}

Sun, Zhikun ^{[1
,3
,4
]}

Lu, Weijian ^{[1
,3
]}

Zhang, Jiarui ^{[1
,3
]}

Liu, Zhengqiang ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

[2] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China

[3] Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China

[4] Guangdong Lab, Adv Energy Sci & Technol, Huizhou 516000, Peoples R China

来源：

JOURNAL OF INSTRUMENTATION | 2023年 / 18卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Analogue electronic circuits; CMOS readout of gaseous detectors; VLSI circuits;

D O I：

10.1088/1748-0221/18/07/P07040

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In this paper, a shaper and discriminator ASIC chip with time-walk compensation(TWC) is designed using 180 nm CMOS technology for a TPC detector which will be assembled on High energy FRagment Separator(HFRS) beamlines under construction. It comprises a fast CR-RC shaper, two comparators, and a TWC module. The peak time of the shaper is 30 ns, and the propagation delay of the comparator is 2.4 ns (25 mV Overdrive). When the dynamic range of the TPC output charge is from 10 fC to 1000 fC, the time error of the trigger signal produced by the ASIC was measured to be less than 2 ns.

引用

页数：12

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