A Linearizing Digitizer for Wheatstone Bridge Based Signal Conditioning of Resistive Sensors
Citations
19 citations
Cites background or methods from "A Linearizing Digitizer for Wheatst..."
...…necessary signal conditioning circuits have been employed to linearize the response of thermistor, Hall effect sensor, and single or double resistive element Wheatstone bridge (Mohan et al., 2008; Mohan et al., 2011; Sreekantan and George, 2014; Ramadoss and George, 2015; Nagarajan et al., 2017)....
[...]
...Recently, conventional dual slope analog to digital converter with necessary signal conditioning circuits have been employed to linearize the response of thermistor, Hall effect sensor, and single or double resistive element Wheatstone bridge (Mohan et al., 2008; Mohan et al., 2011; Sreekantan and George, 2014; Ramadoss and George, 2015; Nagarajan et al., 2017)....
[...]
...(Nagarajan et al., 2017) Dual slope ADC for direct interface to μC (quarter/half bridge resistive sensors) <0....
[...]
14 citations
Cites background from "A Linearizing Digitizer for Wheatst..."
...However, these schemes require precision (matched) reference voltages and works in [11] need an additional phase to start the conversion....
[...]
...Alternatively, the work in [11] makes the output independent of wire resistance using instrumentation amplifier (IA) and an involved switching logic....
[...]
...Simple dual-slope-based circuits for different types of resistive sensors are reported in [10] and [11]....
[...]
...A number of digital techniques, such as pulsewidth conversion [7]–[9], dual slope [10], [11], direct microcontroller interfacing [12]–[15], sigma-delta [16], and relaxation oscillator [17]–[21], are prevalent for resistive sensors....
[...]
13 citations
Cites background from "A Linearizing Digitizer for Wheatst..."
...To handle these dynamic properties robust signal conditioning circuits are required [8], [9]....
[...]
...However, the Wheatstone bridge is not preferable for single elements resistive sensors due to high non-linearity [1], [9]....
[...]
12 citations
12 citations
Cites methods from "A Linearizing Digitizer for Wheatst..."
...Several linearization techniques have been reported, as the Current Mode WB [11], switches driven integration/deintegration method [12], and the double differential potential subtractor [13]....
[...]
References
11 citations
5 citations
"A Linearizing Digitizer for Wheatst..." refers background or methods in this paper
...of using current driven Wheatstone bridge and its variants are discussed in [10]–[13]....
[...]
...Current Mode Wheatstone Bridge (CMWB) based on duality concept is reported [10]....
[...]
1 citations