集成精密高频信号调节器用于可变阻抗传感器.
Miodrag Brkić1, Jelena Radić1, Kalman Babković1
1Faculty of Technical Sciences, University of Novi Sad, Trg Dositeja Obradovića 6, 21000 Novi Sad, Serbia.
Sensors (Basel, Switzerland)
|October 26, 2024
概括
本研究介绍了一种用于变阻传感器的新型集成信号调节器,专门用于感应线性位移传感器. 该调节器可为具有低输出阻抗的快速传感器提供精确的实时阻抗大小测量.
科学领域:
- 电气工程 电气工程
- 传感器技术 传感器技术
- 集成电路设计 集成电路设计
背景情况:
- 可变阻抗传感器对于各种应用至关重要,需要准确的信号调节.
- 现有的解决方案可能缺乏先进传感器系统所需的精度,速度或集成.
研究的目的:
- 设计和模拟可变阻抗传感器的集成信号调节器.
- 为了实现快速传感器的实时阻抗大小测量.
- 为了实现低成本,紧,和节能解决方案.
主要方法:
- 开发了一种用于感应线性位移传感器的信号调节器的离散实现.
- 提出了一个集成的调节器,包括一个放大器,可调节的带通波器和AC-DC转换器.
- 调节器使用传感器电压和电流的简化向量测量来测量阻抗大小.
主要成果:
- 集成调节器的感应度测量范围为10nH至550nH,非线性为1.2%.
- 该设计在8 MHz运行,但可以通过可调过器调节到其他频率.
- 集成电路 (IC) 占地 500 × 330 μm2,消耗 93.8 mW.
结论:
- 拟议的集成信号调节器符合快速,低阻抗传感器实时测量的要求.
- 低成本的CMOS设计为可变阻抗传感应用提供了多功能和高效的解决方案.
- 模拟结果验证了开发的IC的性能和潜力.
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