A PVT Compensated Resistance to Frequency Converter for Sensor Array Read-Out

Ming Yan,Dalton Martini Colombo,Michael S. Freund,Kamal El-Sankary

IEEE Transactions on Circuits and Systems II: Express Briefs（2022）

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摘要

This brief presents a PVT (process, voltage, temperature) compensated CMOS resistor to frequency read-out circuit for resistive sensing applications. Resistive sensing is used in different applications, such as olfactory sensing. An accurate read-out circuit is needed to detect the resistance values for on-chip sensor arrays. Existing techniques suffer from PVT variations and require a large silic...

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关键词

Voltage-controlled oscillators,Resistance,Voltage,Sensor arrays,Capacitors,Sensors,Resistors

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