| Автор | Jens Schröder |
| Автор | Steffen Doerner |
| Автор | Thomas Schneider |
| Автор | Peter Hauptmann |
| Дата выпуска | 2004-07-01 |
| dc.description | Impedance spectroscopy is a non-invasive method of sensing electrical material properties. This approach is also suited for sensors transducing non-electrical properties into an electrical impedance. As yet, impedance spectroscopy has only been applicable with laboratory instrumentation, covering a broad frequency and impedance measurement range. By restricting to measurement ranges required by specific applications it is possible to implement the method in sensor interfaces. An interface with substantially analogue circuitry was developed and applied to quartz crystal resonators for sensing density and viscosity of liquids. Additionally, a fully digital interface was realized which is mainly intended for capacitive measurements in liquids. As it samples occurring signals directly and performs a real time sine regression of the acquired probes, it is faster and more precise than the analogue sensor electronics. However, both interfaces have the same precision like laboratory devices for their specified application which is demonstrated with reference measurements. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Копирайт | 2004 IOP Publishing Ltd |
| Название | Analogue and digital sensor interfaces for impedance spectroscopy |
| Тип | paper |
| DOI | 10.1088/0957-0233/15/7/007 |
| Electronic ISSN | 1361-6501 |
| Print ISSN | 0957-0233 |
| Журнал | Measurement Science and Technology |
| Том | 15 |
| Первая страница | 1271 |
| Последняя страница | 1278 |
| Аффилиация | Jens Schröder; Otto-von-Guericke-University Magdeburg, IMOS, Universitätsplatz 2, 39106 Magdeburg, Germany |
| Аффилиация | Steffen Doerner; Otto-von-Guericke-University Magdeburg, IMOS, Universitätsplatz 2, 39106 Magdeburg, Germany |
| Аффилиация | Thomas Schneider; Otto-von-Guericke-University Magdeburg, IMOS, Universitätsplatz 2, 39106 Magdeburg, Germany |
| Аффилиация | Peter Hauptmann; Otto-von-Guericke-University Magdeburg, IMOS, Universitätsplatz 2, 39106 Magdeburg, Germany |
| Выпуск | 7 |
