改进的动态电桥标准作为电桥放大器特性和校准的通用工具

Q4 Engineering

Measurement Sensors Pub Date : 2025-05-01 DOI:10.1016/j.measen.2024.101342

M. Florian Beug, Harald Moser, Michael Hinz, Axel Kölling

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引用次数: 0

摘要

本文提出了一种改进的动态PTB电桥标准，现在可以产生完全对称的输出信号。它可用于根据ISO 4965-2进行动态桥式放大器校准，并可在直流和载频桥式电源电压的所有组合以及静态，动态或两者组合的模拟测量信号下工作。此外，由于其良好的固有线性度，可用于桥式放大器的线性度调查。因此，它是大多数桥式放大器调查和校准的通用工具。

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Improved dynamic bridge standard as universal tool for bridge amplifier characterisation and calibration

This paper presents the improved dynamic PTB bridge standard which now generates fully symmetrical output signals. It can be used for dynamic bridge amplifier calibration according to ISO 4965–2 and operates with all combinations of dc and carrier frequency bridge supply voltages together with simulated measurement signals that can be static, dynamic, or a combination of both. Furthermore, it can be used for bridge amplifier linearity investigations due to its good inherent linearity. Consequently, it is a universal tool for most bridge amplifier investigations and calibrations, respectively.

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