Constant Current Drive for Resistive Sensors Based on Generalized Impedance Converter

Muñoz, David; Moreno, J. Sánchez; Escrivá, C.; Berga, Silvia Casans; Antón, A. Edith Navarro

doi:10.1109/tim.2008.919900

Cited by 10 publications

(7 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The electronic system based on the Anderson loop needs a current source, which is designed taking advantage of the following characteristic of the GIC: the current flowing through R5 resistor in Figure 3 is the same current that flows through R4. And, if all passive components are resistors and the voltage Vcc [23,24].…”

Section: Anderson Loopmentioning

confidence: 99%

Circuit Topologies for MOS-Type Gas Sensor

2020

View full text Add to dashboard Cite

Metal Oxide Semiconductor or MOS-type gas sensors are resistive sensors which can detect different reducible or volatile gases in atmospheres with oxygen. These gas sensors have been used in different areas such as food and drink industries or healthcare, among others. In this type of sensor, the resistance value changes when it detects certain types of gases. Due to the electrical characteristics, the sensors need a conditioning circuit to transform and acquire the data. Four different electronic topologies, two different MOS-type gas sensors, and different concentrations of a gas substance are presented and compared in this paper. The study and experimental analysis of the properties of each of the designed topology allows designers to make a choice of the best circuit for a specific application depending on the situation, considering the required power, noise, linearity, and number of sensors to be used. This study will give more freedom of choice, the more adequate electronic conditioning topology for different applications where MOS-type sensors are used, obtaining the best accuracy.

show abstract

Section: Anderson Loopmentioning

confidence: 99%

Circuit Topologies for MOS-Type Gas Sensor

2020

View full text Add to dashboard Cite

show abstract

“…Generalised impedance converters (GICs) [4] are active circuits that can be synthesized using impedances and operational amplifiers (op amps) or operational transconductance amplifiers (OTAs). In both cases, they form, with other two-port circuits such as gyrators and negative or positive impedance converters (NIC or PIC), the building blocks of active filter design.…”

Section: Generalised Impedance Convertermentioning

confidence: 99%

A Comparative Study of Current Sources Used in Bioimpedance Measurement Systems

Batra

Kapoor

2012

IJESS

View full text Add to dashboard Cite

The current source circuit is one of the most important parts in the bioelectrical impedance devices and Bio Impedance Tomography (BIT). There are many types of circuits like the Howland Current Source, Improved Howland Current Source, General Impedance Convertor, Wien Bridge circuit etc. This paper presents the comparative analysis of the available current sources and study of the best suited ones for the bioimpedance measurement and its various applications.

show abstract

“…This solution is assumed, for example, in [31–33, 39, 50]. In some cases, the use of a differential band pass filter is also required.…”

Section: Conditioning Circuitsmentioning

confidence: 99%

Magnetic Field Sensors Based on Giant Magnetoresistance (GMR) Technology: Applications in Electrical Current Sensing

Reig

Cubells-Beltrán

Muñoz

2009

Sensors

229

View full text Add to dashboard Cite

The 2007 Nobel Prize in Physics can be understood as a global recognition to the rapid development of the Giant Magnetoresistance (GMR), from both the physics and engineering points of view. Behind the utilization of GMR structures as read heads for massive storage magnetic hard disks, important applications as solid state magnetic sensors have emerged. Low cost, compatibility with standard CMOS technologies and high sensitivity are common advantages of these sensors. This way, they have been successfully applied in a lot different environments. In this work, we are trying to collect the Spanish contributions to the progress of the research related to the GMR based sensors covering, among other subjects, the applications, the sensor design, the modelling and the electronic interfaces, focusing on electrical current sensing applications.

show abstract

Constant Current Drive for Resistive Sensors Based on Generalized Impedance Converter

Cited by 10 publications

References 7 publications

Circuit Topologies for MOS-Type Gas Sensor

Circuit Topologies for MOS-Type Gas Sensor

A Comparative Study of Current Sources Used in Bioimpedance Measurement Systems

Magnetic Field Sensors Based on Giant Magnetoresistance (GMR) Technology: Applications in Electrical Current Sensing

Contact Info

Product

Resources

About