Design of micro current detection circuit for FAIMS

2011 ◽  
Vol 25 (8) ◽  
pp. 711-715 ◽  
Author(s):  
Shujiang Yan ◽  
Fei Tang ◽  
Xiaohao Wang ◽  
Fan Wang ◽  
Tao Yang
Keyword(s):  
Detection Circuit ◽  
Current Detection

Current Detection Circuit in Multiple Parallel Connection Circuit of High-Power Semiconductor Modules

2021 ◽  
Vol 141 (7) ◽  
pp. 542-551
Author(s):  
Miyu Katoh ◽  
Masahiro Nagasu ◽  
Sosuke Suzuki ◽  
Masamitsu Inaba ◽  
Katsumi Ishikawa
Keyword(s):  
High Power ◽  
Parallel Connection ◽  
Power Semiconductor ◽  
Detection Circuit ◽  
Current Detection

The Detection System of Adaptive Electrochemical Micro Electric Current

2013 ◽  
Vol 313-314 ◽  
pp. 304-307
Author(s):  
Sheng Qian Ma ◽  
Man Hong Fan
Keyword(s):  
Signal Detection ◽  
Detection System ◽  
Current Signal ◽  
Weak Current ◽  
Large Size ◽  
Detection Circuit ◽  
Circuit Structure ◽  
Electrochemical Current ◽  
High Degree ◽  
Current Detection

The existing micro current detecting apparatus is of large size and is manual controlled. When the detected currents sensitivity is higher, however, stability will be worse. In order to solve this problem, an adaptive detection system is proposed in this paper. The system designed a micro current signal detection circuit based on OK6410 embedded with development board. The Weak current signal is collected with the high precision ADC. Automatic adjustment circuit gain is from 1 to 10000. Spectrometer wavelength size is changed in real-time. Current resolution can reach nA. The experimental results show that this system can collect the micro current effectively. The main characteristics of the system are simple circuit structure, small volume, high degree of automation, and strong reliability, and it greatly improves the anti-interference performance of the circuit. The system can not only be applied in electrochemical current detection, but also be widely used in weak signal detection.

scholarly journals A highly sensitive wide-range weak current detection circuit for implantable glucose monitoring

2016 ◽  
Vol 13 (8) ◽  
pp. 20150616-20150616 ◽  
Author(s):  
Xi Tan ◽  
Sizheng Chen ◽  
Xiao Yan ◽  
Yibo Fan ◽  
Hao Min ◽  
...  
Keyword(s):  
Glucose Monitoring ◽  
Weak Current ◽  
Highly Sensitive ◽  
Wide Range ◽  
Detection Circuit ◽  
Current Detection

Integrated zero-inductor-current detection circuit for step-up DC–DC converters

2006 ◽  
Vol 42 (16) ◽  
pp. 943 ◽  
Author(s):  
L.H. Phuc ◽  
C.S. Chae ◽  
M.C. Lee ◽  
S.W. Wang ◽  
S.I. Kim ◽  
...  
Keyword(s):  
Detection Circuit ◽  
Current Detection

Current detection circuit in multiple parallel connection circuit of high‐power semiconductor modules

2021 ◽  
Vol 214 (4) ◽  
Author(s):  
Miyu Katoh ◽  
Masahiro Nagasu ◽  
Sosuke Suzuki ◽  
Masamitsu Inaba ◽  
Katsumi Ishikawa
Keyword(s):  
High Power ◽  
Parallel Connection ◽  
Power Semiconductor ◽  
Detection Circuit ◽  
Current Detection

A Weak Current Detection Circuit Design of Organophosphorous Pesticides Rapid Detection Portable Instrument

2011 ◽  
Vol 403-408 ◽  
pp. 2569-2572
Author(s):  
Xia Sun ◽  
Xiang You Wang ◽  
Shu Yuan Du ◽  
Ying Zhu
Keyword(s):  
Rapid Detection ◽  
Electrochemical Analysis ◽  
Cyclic Voltammograms ◽  
Portable Instrument ◽  
Organophosphorous Pesticides ◽  
Weak Current ◽  
Pass Filter ◽  
Low Pass Filter ◽  
Detection Circuit ◽  
Current Detection

In this paper, a weak current detection circuit is designed for developing organophosphorous pesticides rapid detection portable instrument. The detection principle is based on the electrochemical characteristic of enzyme catalyzing substrate of acetylcholinesterase biosensor for detecting pesticide residues. Based on the behavior of cyclic voltammograms (CV) of the acetylcholinesterase biosensor, the data acquisition and processing circuit of the weak current signals generated by the biosensor is designed, which including the I/V conversion, differential amplification , low-pass filter, A/D conversion etc. Eventually, the 0~5V voltage signal are obtained and they are proportional to the weak current from the enzyme biosensor. The designed detection circuit has a good consistence compared with electrochemical analysis instrument, which can establish a good base for developing organophosphorous pesticides rapid detection portable instrument.

Fault Current Detection Based on Neural Network in Hybrid Circuit Breaker

2011 ◽  
Vol 204-210 ◽  
pp. 887-890 ◽  
Author(s):  
Yang Zhao ◽  
Yue Feng ◽  
Qi Yong Wen
Keyword(s):  
Neural Network ◽  
Short Circuit ◽  
Circuit Breaker ◽  
Detection Methods ◽  
Fault Current ◽  
Detection Circuit ◽  
Simulation Results ◽  
Short Circuit Fault ◽  
Current Detection ◽  
Hybrid Circuit

Power system short circuit and fault current detection circuit breaker is a hybrid produced the basis for action, rapid detection methods and effectiveness of a direct impact on the circuit breaker switch performance. In this paper neural network short-circuit fault current detection, the simulation results show that the method is effective and fast.

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