Design of Signal Conditioning Circuit for Photoelectric Sensor
Nan Xie, Zhennan Zhang, Weimin Chen
Available Online February 2017.
- https://doi.org/10.2991/emcm-16.2017.260How to use a DOI?
- Photoelectric sensor; Conditioning circuit design; Light & noise eliminating
- The photoelectric sensor is widely used in the detection field, and its two key parts are the light transmitting and the signal receiving. This paper has designed the pulse modulated light emitting diode constant current source drive circuit, photoelectric diode receiving signal amplifying & filtering circuit and noise eliminating circuit. The noise eliminating circuit has been combined electronic switch with a sampling holder in order to realize the detected light and noise signal being effectively separated by certain software control, and then we could use the differential amplifier to eliminate noise interference signal. Lastly, the experiments verify the effectiveness of this method, and the design combined with the further processing of the software will be greatly to improve the photoelectric sensor' accuracy in some detecting parameters.
- Open Access
- This is an open access article distributed under the CC BY-NC license.
Cite this article
TY - CONF AU - Nan Xie AU - Zhennan Zhang AU - Weimin Chen PY - 2017/02 DA - 2017/02 TI - Design of Signal Conditioning Circuit for Photoelectric Sensor BT - 2016 7th International Conference on Education, Management, Computer and Medicine (EMCM 2016) PB - Atlantis Press SN - 2352-538X UR - https://doi.org/10.2991/emcm-16.2017.260 DO - https://doi.org/10.2991/emcm-16.2017.260 ID - Xie2017/02 ER -