A novel instrumentation amplifier with high tunable gain and CMRR forbiomedical applications

Ahmad, Riyaz; Joshi, Amit M.; Boolchandani, Dharmendar

doi:10.55730/1300-0632.3823

Cited by 8 publications

(2 citation statements)

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“…Some IAs in the literature have poor frequency responses. The IAs proposed in [8, 11, 12, 15-19, 23-25, 26, 28, 30] have very low CMRR bandwidth whereas, circuits given in [7,11,17,27,29] have low differential gain bandwidth.…”

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confidence: 99%

Single EX-CCCII based electronically tunable current mode instrumentation amplifier

Singh

Nagaria

2022

Eng. rev. (Online)

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The purpose of this study is to present a new design for an electronically tunable instrumentation amplifier. The current-mode design approach is used for the proposed circuit. The proposed current-mode instrumentation amplifier employs a single Extra-X Current Controlled Current Conveyor (EX-CCCII) and a grounded resistor. This circuit design is very simple and suitable for IC integration. Because of the circuit's high output impedance, it can be cascaded with other current-mode circuits without the need for a buffer. In addition, this circuit is electronically tunable with the bias current from EX-CCCII. The proposed instrumentation amplifier provides good frequency performance with a wide bandwidth for differential gain and CMRR. The effects of non-idealities of EX-CCCII and its parasitic elements are also analysed. To validate the proposed instrumentation amplifier, various simulations are performed with the CADENCE VIRTUOSO SPECTRE simulator using 0.18 µm CMOS technology parameters.

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confidence: 99%

Single EX-CCCII based electronically tunable current mode instrumentation amplifier

Singh

Nagaria

2022

Eng. rev. (Online)

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“…Traditional biosensing detection methods include blood tests, tumor markers, immunological assays, and genetic testing. There have been substantial growth of field-effect transistor (FET) based biomedical applications [3]. Among the several biosensor possibilities, biosensing with FETs has been identified as a promising choice.…”

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confidence: 99%

Dielectric-Modulated Double Gate Bilayer Electrode Organic Thin Film Transistor-based Biosensor for Label-Free Detection: Simulation Study and Sensitivity Analysis

Jain¹,

Joshi²

2022

Preprint

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A dielectric-modulated double gate bilayer electrodes organic thin-film transistor (DMDGBE-OTFT) based sensor is proposed for label-free biomolecule detection. The double gate of DMDGBE-OTFT is used for creating two symmetrical gates underlap regions on both sides of the organic semiconductor. The parallel immobilization of biomolecule in two gates underlaps region changes the on-current (I ON ) of the DMDGBE-OTFT. Bilayer electrode is also used for significant reduction of barrier height to enhance the performance of the proposed device. The change in the drain current has been utilized to evaluate the sensitivity of the DMDGBE-OTFT for biomolecule recognition having different dielectric constants and corresponding charge densities using 2-D physics based numerical simulation when biomolecules are immobilized in the gate underlap area. The ATLAS TCAD tool is used to investigate the sensitivity performance of the DMDGBE-OTFT. The proposed DMDGBE-OTFT has 24.2% higher sensitivity in comparison to the recently reported OTFT-based biosensors for label-free detection of biomolecules. The DMDGBE-OTFT biosensor has a lot of potential for flexible biosensing applications in the future because of its flexibility , high sensitivity,biocompatibility and low cost.

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Novel Programmable Readout Amplifier and Potentiostat for Glucose Sensing Applications

et al. 2022

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A novel instrumentation amplifier with high tunable gain and CMRR forbiomedical applications

Cited by 8 publications

References 0 publications

Single EX-CCCII based electronically tunable current mode instrumentation amplifier

Single EX-CCCII based electronically tunable current mode instrumentation amplifier

Dielectric-Modulated Double Gate Bilayer Electrode Organic Thin Film Transistor-based Biosensor for Label-Free Detection: Simulation Study and Sensitivity Analysis

Novel Programmable Readout Amplifier and Potentiostat for Glucose Sensing Applications

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