A 0.1% THD, 1-M to 1-G Tunable, Temperature-Compensated Transimpedance Amplifier Using a Multi-Element Pseudo-Resistor

D Djekic, G Fantner, K Lips… - IEEE Journal of Solid …, 2018 - ieeexplore.ieee.org
In this paper, a transimpedance amplifier (TIA) is presented that utilizes a modified pseudo-
resistor (PR) with improved robustness against temperature and process variations …

Review and analysis of CMOS current readout circuits for biosensing applications

MA Awan, B Wang, NA Quadir… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
CMOS current readout is a critical circuit block for various applications like bio-sensing. This
paper presents an overview of CMOS current readout techniques and analyze their merits …

Frequency-response analysis and design rules for capacitive feedback transimpedance amplifier

JH Noh - IEEE Transactions on Instrumentation and …, 2020 - ieeexplore.ieee.org
Precision instrumentation systems, such as optical receivers and other current-output
measurement systems, often contain a transimpedance amplifier (TIA). The commonly used …

A 15-μW 105-dB 1.8-Vpp Potentiostatic Delta-Sigma Modulator for Wearable Electrochemical Transducers in 65-nm CMOS Technology

J Aymerich, A Márquez, X Muñoz-Berbel… - IEEE …, 2020 - ieeexplore.ieee.org
Wearable electrochemical sensors represent a point of convergence between lab-on-a-chip
technologies, advanced microelectronics and connected intelligence. These three pillars …

An evaluation study of various excitation signals for electrical impedance spectroscopy

M Rajabzadeh, J Ungethuem, H Mandry… - … on Circuits and …, 2019 - ieeexplore.ieee.org
Electrical Impedance Spectroscopy (EIS) is a popular method for investigating tissue
properties. Implementing the signal generator for EIS measurements with a suitable …

Electrical detection of Rydberg interactions in nitric oxide at room temperature

F Munkes - 2023 - elib.uni-stuttgart.de
In this work I will present measurements of Rydberg states in nitric oxide (NO) at room
temperature. The detection of the Rydberg states is realized by measuring the current of free …

An Integrated Readout for Current Sensing based on a Σ∆ Modulator with Switched Capacitor Feedback

M Rajabzadeh, M Häberle, A Jain… - ESSCIRC 2019-IEEE …, 2019 - ieeexplore.ieee.org
This work presents a current input continuous-time sigma-delta modulator (C-CTΣ∆ M) for
biomedical application such as electrochemical impedance spectroscopy. Low noise and …

Low-Noise and Process Variation-Tolerant Readout Circuit for Electrochemical Sensors

S Kang, B Jin, M Yoo, H Son, K Kim, J Wi… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
This study describes the design and development of a low-noise and process variation-
tolerant potentiostat readout integrated circuit optimized for electrochemical sensors in …

Towards Scalable Quantum Sensors: Interface Electronics for Quantum Sensors

M Kern, K Khan, P Hengel… - Foundations and Trends …, 2024 - nowpublishers.com
This monograph presents the emerging field of second-generation quantum sensing, which
leverages phenomena such as superposition and entanglement, thereby offering …

A pcb-based 24-ch. mea-eis allowing fast measurement of teer

M Rajabzadeh, J Ungethüm, A Herkle… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
Electrochemical Impedance Spectroscopy (EIS) is a non-invasive method to evaluate
biological samples. With the use of EIS results, the transepithelial electrical resistance …