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The upgrade of the ATLAS muon spectrometer for high-luminosity LHC requires new trigger and readout electronics for the various elements of the detector. We present the design of a time-to-digital converter (TDC) ASIC prototype for the…

Instrumentation and Detectors · Physics 2018-03-14 Jinhong Wang , Yu Liang , Xiong Xiao , Qi An , John W. Chapman , Tiesheng Dai , Bing Zhou , Junjie Zhu , Lei Zhao

A Time to Digital Converter was designed (CMOS 0.35 $\mum) in order to be used in Liquid Xenon PET prototype. The circuit proved to be able to work at -120 degrees C, while showing a resolution of 250 ps. The circuit enables a low readout…

Instrumentation and Detectors · Physics 2007-05-23 O. Bourrion , L. Gallin-Martel

A 3.8ps root mean square (RMS) time synchronization implemented in a 20nm fabrication process ultrascale kintex Field Programmable Gate Array (FPGA) is presented. The multichannel high-speed serial transceivers (e.g. GTH) play a key role in…

Signal Processing · Electrical Eng. & Systems 2018-06-12 Hong-Bo Xie , Yang Li , Qi Shen , Sheng-Kai Liao , Cheng-Zhi Peng

Many scientific and astronomical instruments need precise time measurement with high resolution between two or more events which is very challenging since decades. Presently a fast response of high resolution 17.1ps Digital Event Timer…

Instrumentation and Detectors · Physics 2021-10-25 Farhat Iqbal , Waheed Rathore , Khawar Iqbal , Glulam. Jaffer

With present-day detectors in high energy physics one often faces fast analog pulses of a few nanoseconds length which cover large dynamic ranges. In many experiments both amplitude and timing information have to be measured with high…

We introduce the waveform capture device (WCD), a flexible measurement system capable of recording complex digital signals on trillionth-of-a-second (ps) time scales. The WCD is implemented via modular code on an off-the-shelf…

Hardware Architecture · Computer Science 2021-09-08 Noeloikeau Charlot , Daniel J. Gauthier , Andrew Pomerance

A characterisation of the Timepix4 pixel front-end with a strong focus on timing performance is presented. Externally generated test pulses were used to probe the per-pixel time-to-digital converter (TDC) and measure the time-bin sizes by…

Instrumentation and Detectors · Physics 2022-07-13 K. Heijhoff , K. Akiba , R. Ballabriga , M. van Beuzekom , M. Campbell , A. P. Colijn , M. Fransen , R. Geertsema , V. Gromov , X. Llopart Cudie

A prototype of DIRC-like Time-of-Flight detector (DTOF), including a pico-second time measurement electronics, is developed and tested preliminarily. The basic structure of DTOF is composed of a fused silica radiator connected to fast…

Instrumentation and Detectors · Physics 2018-06-08 Qiang Cao , Xin Li , Liwei Wang , Jie Kuang , Yonggang Wang , Cheng Li

We have developed a digital fast Fourier transform (FFT) spectrometer made of an analog-to-digital converter (ADC) and a field-programmable gate array (FPGA). The base instrument has independent ADC and FPGA modules, which allow us to…

Instrumentation and Methods for Astrophysics · Physics 2017-07-26 Kazumasa Iwai , Yûki Kubo , Hiromitsu Ishibashi , Takahiro Naoi , Kenichi Harada , Kenji Ema , Yoshinori Hayashi , Yuichi Chikahiro

A Time to Digital Converter (TDC) based system, to be used for most sub-detectors in the high-flux rare-decay experiment NA62 at CERN SPS, was built as part of the NA62 fully digital Trigger and Data AcQuisition system (TDAQ), in which the…

In this paper, we propose an architecture for FPGA emulation of mixed-signal systems that achieves high accuracy at a high throughput. We represent the analog output of a block as a superposition of step responses to changes in its analog…

Hardware Architecture · Computer Science 2020-02-07 Steven Herbst , Byong Chan Lim , Mark Horowitz

A new TDC chip has been developed for the COMPASS experiment at CERN. The resulting ASIC offers an unprecedented degree of flexibility and functionality. Its capability to handle highest hit and trigger input rates as well as its low power…

High Energy Physics - Experiment · Physics 2007-05-23 G. Braun , H. Fischer , J. Franz , A. Grunemaier , F. H. Heinsius , L. Hennig , K. Konigsmann , M. Niebuhr , M. Schierloh , T. Schmidt , H. Schmitt , H. J. Urban

We present the second prototype of a time-to-digital (TDC) ASIC for the upgrade of the ATLAS Monitored Drift Tube (MDT) detector for High-Luminosity LHC operations. Compared to the first prototype, triple modular redundancy has been…

Instrumentation and Detectors · Physics 2020-12-30 Yuxiang Guo , Jinhong Wang , Yu Liang , Xiong Xiao , Xueye Hu , Qi An , J. W. Chapman , Tiesheng Dai , Lei Zhao , Zhengguo Zhao , Bing Zhou , Junjie Zhu

Recent generations of Field Programmable Gate Arrays (FPGAs) have become indispensible tools for complex state machine control and signal processing, and now routinely incorporate CPU cores to allow execution of user software code. At the…

Instrumentation and Detectors · Physics 2015-06-26 Gary S. Varner

High sampling speed can be achieved using multiple Analog-to-Digital Converters (ADCs) based on the Time-Interleaving A/D Conversion (TIADC) technique. Various types of methods were proposed to correct the mismatch errors among parallel ADC…

Instrumentation and Detectors · Physics 2019-09-25 Lei Zhao , Zouyi Jiang , Ruoshi Dong , Zhe Cao , Xingshun Gao , Boyu Cheng , Jiadong Hu , Shubin Liu , Qi An

Identifying light mesons which contain only up/down quarks (pions) from those containing a strange quark (kaons) over the typical meter length scales of a particle physics detector requires instrumentation capable of measuring flight times…

Instrumentation and Detectors · Physics 2008-11-26 Gary S. Varner , Larry L. Ruckman

We present a compact FPGA-based pulse sequencer and radio-frequency (RF) generator suitable for experiments with cold trapped ions and atoms. The unit is capable of outputting a pulse sequence with at least 32 TTL channels with a timing…

Instrumentation and Detectors · Physics 2015-11-16 Thaned Pruttivarasin , Hidetoshi Katori

Conventional analog-to-digital converters (ADCs) fail to capture high-dynamic-range (HDR) signals due to clipping. Modulo ADCs circumvent this limitation by folding the input prior to quantization and algorithmically reconstructing the…

Signal Processing · Electrical Eng. & Systems 2025-12-01 Zeyuan Li , Wenyi Yan , Lu Gan , Guoquan Li , Hongqing Liu

We present the prototype of a time-to-digital (TDC) ASIC for the upgrade of the ATLAS Monitored Drift Tube (MDT) detector for high-luminosity LHC operation. This ASIC is based on a previously submitted demonstrator ASIC designed for timing…

The prototype of a TDC board has been developed for the new high granular time-of-flight neutron detector (HGND). The board is based on the standard LVDS 4x asynchronous oversampling using the xc7k160 FPGA with a 100 ps bin width. The HGND…

Instrumentation and Detectors · Physics 2024-01-23 D. Finogeev , F. Guber , A. Izvestnyy , N. Karpushkin , A. Makhnev , S. Morozov , D. Serebryakov