Design And Simulation Of High Linearity And Stability Operational Amplifier Circuitry For Amperometric Sensor
Redox sensor is widely used to detect certain analytes of a chemical solution especially concentration of a chemical solution. Redox sensor has advantages of detection of multiple ions inside a sensing areas by measurement and represent it in electrical current or voltage. However, sensitivity an...
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| Format: | Thesis |
| Language: | English |
| Published: |
2017
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| Subjects: | |
| Online Access: | http://eprints.usm.my/37340/1/ANGIE_LEE_SHIN_SHIN_24_Pages.pdf |
| Summary: | Redox sensor is widely used to detect certain analytes of a chemical solution
especially concentration of a chemical solution. Redox sensor has advantages of detection
of multiple ions inside a sensing areas by measurement and represent it in electrical
current or voltage. However, sensitivity and output signal of sensor decreases due to
miniaturization of sensing area. This thesis presents a design of a potentiostat that is able
to process the redox sensor small output signal in the range of 0 A to 10 μA and has a
linear and amplified voltage signal for integration with analogue digital conversion
(ADC) circuit. It provides a stable output when the voltage supply, |
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