28 nm CMOS analog front-end channels for future pixel detectors

被引：2

作者：

Gaioni L. ^{[1
,3
]}

Fratus M. ^{[3
]}

Galliani A. ^{[3
]}

Manghisoni M. ^{[1
,3
]}

Ratti L. ^{[2
,3
]}

Re V. ^{[1
,3
]}

Riceputi E. ^{[1
,3
]}

Traversi G. ^{[1
,3
]}

机构：

[1] Università di Bergamo, Dalmine (BG)

[2] Università di Pavia, Pavia

[3] INFN, Sezione di Pavia, Pavia

来源：

Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment | 2023年 / 1045卷

关键词：

28 nm CMOS; Falaphel project; Front-end electronics; Future HEP experiments;

D O I：

10.1016/j.nima.2022.167609

中图分类号：

学科分类号：

摘要：

This work discusses the design, carried out in the framework of the INFN Falaphel project, of analog front-end circuits for future, high-rate pixel detector applications. In particular, two front-end architectures are being developed, one with Time-over-Threshold (ToT) digitization of the input signal and the other based on an in-pixel flash ADC featuring a novel, clocked comparator conceived to dramatically reduce the threshold dispersion of the front-end. The paper includes a description of the analog processors being developed. The main analog performance parameters, as obtained from circuit simulations and including equivalent noise charge and threshold dispersion, are reported. © 2022 Elsevier B.V.

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