Abstract
Integrated sensors, which are frequently electronic and occasionally electromechanical, can be placed in the broader set of mixed-signal systems where the interface circuitry is analog in nature and the processing is usually performed in a digital environment. Existing sensor interface analog circuitry is mostly based upon the ubiquitous MOSFET technology. Moreover, the lower transconductance gain of the MOSFET restricts the bandwidth of such CMOS sensor interface circuits. As the development over the present resistive sensor interfacing circuits, a substitute using CNFET has been presented in which a buffered-output current conveyor (CC-II) is employed to realize an electronic interface for resistive sensors. The circuit gives voltage-mode (VM) as well as current-mode (CM) outputs, and may be used in various resistive sensing applications like photocell sensor, strain gauge sensor, position sensor, temperature sensor, etc. SPICE simulations with CNFET 32 nm parameters are incorporated to authorize the design.
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