Rate-capability of the VMM3a front-end in the RD51 Scalable Readout System

Pfeiffer, D.; Scharenberg, L.; Schwäbig, P.; Alcock, Simon G.; Brunbauer, F.; Desch, K.; Flöthner, K.; García, F.; Hall-Wilton, R.; Hracek, M.; Iakovidis, G.; Janssens, D.; Kamiński, J.; Lupberger, M.; Müller, H.; Oliveri, E.; Ropelewski, L.; Rusu, Alexandru; Samarati, J.; Stenis, M. van; Utrobicic, A.; Veenhof, R.

doi:10.1016/j.nima.2022.166548

Cited by 10 publications

(21 citation statements)

References 7 publications

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“…For the amplitude, a clock-less 10-bit current-mode domino ADC is used [3]. For the time, a 12-bit reference clock counter is used for the rough time stamping (typical values of the adjustable clock period [4] are 22.5 ns or 25 ns). It is combined with a Time-to-Amplitude Converter (TAC) for fine time stamping, which starts once the peak is found and stops at the falling edge of the next clock cycle [3].…”

Section: Integration Of the Vmm3a Into The Srsmentioning

confidence: 99%

“…In case a channel contains a hit 3 , a token is sent and the data flag is detected. Afterwards, the data transmission is started with maximally 180 MHz dual edge transmission [4]. The hit is written into a buffer on the Spartan-6, where two empty bits are added to the hit for the 8b/10b encoding.…”

Section: Integration Of the Vmm3a Into The Srsmentioning

confidence: 99%

“…In parallel, the hit information is processed by a Serialiser/Deserialiser (SERDES) and sent over the HDMI cables from the hybrid to the Digital VMM adapter (DVMM)/FEC combination (figure 2) as LVDS signals. The serial token passing 4 limits the maximum hit rate that can be read out of a single VMM3a to 9 Mhits/s. It should be noted that, as long as the hit information is not read out from the channel, no new hit can be stored in this channel, i.e.…”

Section: Integration Of the Vmm3a Into The Srsmentioning

confidence: 99%

“…the corresponding information is lost. This affects the measurements, especially in the case of uniform detector irradiation and particle fluxes in the MHz regime and larger (for details it is referred to section 3.2 and to [4]).…”

Section: Integration Of the Vmm3a Into The Srsmentioning

confidence: 99%

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Development of a high-rate scalable readout system for gaseous detectors

et al. 2022

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The RD51 collaboration developed the Scalable Readout System (SRS) as part of its R&D activities on Micro-Pattern Gaseous Detectors. This common multi-purpose readout system allows to read out small R&D detectors (0.2k channels) up to mid-sized experiments with multiple detectors (2.5k to 5k channels). To cope with increased demands on detectors, electronics and readout speed, a new front-end ASIC—the VMM3a—was integrated into the SRS. This led to the development of a scalable, self-triggered high-rate readout system that provides energy, space and time information of the interacting particles at the same time.

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Section: Integration Of the Vmm3a Into The Srsmentioning

confidence: 99%

Section: Integration Of the Vmm3a Into The Srsmentioning

confidence: 99%

Section: Integration Of the Vmm3a Into The Srsmentioning

confidence: 99%

Section: Integration Of the Vmm3a Into The Srsmentioning

confidence: 99%

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Development of a high-rate scalable readout system for gaseous detectors

et al. 2022

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“…This small prototype is read out with two RD51 VMM3a hybrids each in x and y directions 1b. Two VMM3a ASICs [22,23] with 64 channels per chip are mounted on a RD51 VMM3a hybrid [24,25], resulting in 128 channels per hybrid. The Scalable Readout System (SRS) [26] serves as readout system to acquire the data from the RD51 [27] VMM3a hybrids.…”

Section: The Nmx Detector Prototypementioning

confidence: 99%

Demonstration of Gd-GEM detector design for neutron macromolecular crystallography applications

Pfeiffer¹,

Brunbauer²,

Cristiglio³

et al. 2022

Preprint

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The European Spallation Source (ESS) in Lund, Sweden will become the world's most powerful thermal neutron source. The Macromolecular Diffractometer (NMX) at the ESS requires three 51.2 x 51.2 cm 2 detectors with reasonable detection efficiency, sub-mm spatial resolution, a narrow point spread function (PSF) and good time resolution. This work presents measurements with the improved version of the NMX detector prototype consisting of a Triple-GEM detector with natural Gd converter and a low material budget readout. The detector was successfully tested at the neutron reactor of the Budapest Neutron Centre (BNC) and at the D16 instrument at the Institut Laue-Langevin (ILL) in Grenoble. The measurements with Cadmium and Gadolinium masks in Budapest demonstrate that the point spread function of the detector lacks long tails that could impede the measurement of diffraction spot intensities. On the D16 instrument at ILL, diffraction spots from Triose phosphate isomerase w/ 2-phosphoglycolate (PGA) inhibitor were measured both in the D16 Helium-3 detector and the Gd-GEM. The comparison between the two detectors show a similar point spread function in both detectors, and the expected efficiency ratio compared to the Helium-3 detector. Both measurements together thus give good indications that the Gd-GEM detector fits the requirements for the NMX instrument at ESS.

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Design of the readout electronics system with high event rate based on the Micromegas Detector

Zhou

et al. 2023

Nuclear Instruments and Methods in Physics Research Section A:

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Rate-capability of the VMM3a front-end in the RD51 Scalable Readout System

Cited by 10 publications

References 7 publications

Development of a high-rate scalable readout system for gaseous detectors

Development of a high-rate scalable readout system for gaseous detectors

Demonstration of Gd-GEM detector design for neutron macromolecular crystallography applications

Design of the readout electronics system with high event rate based on the Micromegas Detector

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