Centre for Electronics Frontiers, Zepler Institiute, University of Southampton, Southampton, UK.
School of Engineering, University of Edinburgh, Edinburgh, UK.
Sci Rep. 2022 Aug 17;12(1):13912. doi: 10.1038/s41598-022-18100-3.
Electronic systems are becoming more and more ubiquitous as our world digitises. Simultaneously, even basic components are experiencing a wave of improvements with new transistors, memristors, voltage/current references, data converters, etc, being designed every year by hundreds of R &D groups world-wide. To date, the workhorse for testing all these designs has been a suite of lab instruments including oscilloscopes and signal generators, to mention the most popular. However, as components become more complex and pin numbers soar, the need for more parallel and versatile testing tools also becomes more pressing. In this work, we describe and benchmark an FPGA system developed that addresses this need. This general purpose testing system features a 64-channel source-meter unit, and [Formula: see text] banks of 32 digital pins for digital I/O. We demonstrate that this bench-top system can obtain [Formula: see text] current noise floor, [Formula: see text] pulse delivery at [Formula: see text] and [Formula: see text] maximum current drive/channel. We then showcase the instrument's use in performing a selection of three characteristic measurement tasks: (a) current-voltage characterisation of a diode and a transistor, (b) fully parallel read-out of a memristor crossbar array and (c) an integral non-linearity test on a DAC. This work introduces a down-scaled electronics laboratory packaged in a single instrument which provides a shift towards more affordable, reliable, compact and multi-functional instrumentation for emerging electronic technologies.
随着我们的世界数字化,电子系统变得越来越普及。与此同时,即使是基本元件也在经历一场新的晶体管、忆阻器、电压/电流基准、数据转换器等的改进浪潮,每年都有数百个研发团队在全球范围内设计这些元件。迄今为止,测试所有这些设计的主力是一整套实验室仪器,包括示波器和信号发生器,仅举几例最受欢迎的仪器。然而,随着元件变得越来越复杂,引脚数量飙升,对更多并行和多功能测试工具的需求也变得更加迫切。在这项工作中,我们描述并基准测试了一个开发的 FPGA 系统,以满足这一需求。这个通用测试系统具有 64 通道源表单元和 32 个数字引脚的[Formula: see text]个数字 I/O 银行。我们证明,这个台式系统可以获得[Formula: see text]电流噪声底,[Formula: see text]在[Formula: see text]和[Formula: see text]最大电流驱动/通道下的脉冲传输。然后,我们展示了该仪器在执行三个典型测量任务中的用途:(a) 二极管和晶体管的电流-电压特性,(b) 忆阻器交叉阵列的全并行读取,以及 (c) DAC 的积分非线性测试。这项工作引入了一个缩小规模的电子实验室,封装在一个单一的仪器中,为新兴电子技术提供了更实惠、可靠、紧凑和多功能的仪器。