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Operational Amplifiers01:17

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Design and Use of a Low Cost, Automated Morbidostat for Adaptive Evolution of Bacteria Under Antibiotic Drug Selection
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Design and Use of a Low Cost, Automated Morbidostat for Adaptive Evolution of Bacteria Under Antibiotic Drug Selection

Published on: September 27, 2016

Digitally programmable analogue circuits for sensor conditioning systems.

Guillermo Zatorre1, Nicolás Medrano, María Teresa Sanz

  • 1Teltronic S.A.U., R&D Department, Polígono Malpica, calle F-Oeste, 50057 Zaragoza, Spain;

Sensors (Basel, Switzerland)
|March 14, 2012
PubMed
Summary
This summary is machine-generated.

This study introduces novel current-mode integrated circuits for embedded sensor signal preprocessing, enhancing performance and programmability. These circuits minimize load effects and improve sensor range and accuracy in various applications.

Keywords:
electronics for sensor conditioningneural networks circuitssensor readout circuits

Related Experiment Videos

Last Updated: May 24, 2026

Design and Use of a Low Cost, Automated Morbidostat for Adaptive Evolution of Bacteria Under Antibiotic Drug Selection
10:50

Design and Use of a Low Cost, Automated Morbidostat for Adaptive Evolution of Bacteria Under Antibiotic Drug Selection

Published on: September 27, 2016

Area of Science:

  • Electrical Engineering
  • Embedded Systems
  • Analog Integrated Circuit Design

Background:

  • Complex sensor conditioning architectures often introduce undesirable load effects.
  • Digital programmability is crucial for reconfigurable embedded sensing systems.
  • Minimizing device mismatch and sensitivity to extraneous physical magnitudes is essential for accurate sensor data.

Purpose of the Study:

  • To present two current-mode integrated circuits for sensor signal preprocessing in embedded systems.
  • To design circuits that minimize load effects while ensuring good signal transfer.
  • To enable digital programmability for enhanced sensor performance and compensation.

Main Methods:

  • Design and integration of two current-mode integrated circuits using a 0.35 μm standard CMOS process.
  • Experimental validation including load effect analysis and tuning strategy evaluation.
  • System-level testing in an application to extend the linear range of a magneto-resistive sensor.

Main Results:

  • The proposed circuits effectively minimize load effects and provide good signal transfer.
  • Digital programmability allows for sensor range expansion and compensation of operational changes.
  • Undesirable effects like device mismatching and sensitivity to extraneous magnitudes are reduced.
  • Successful application in extending the linear range of a magneto-resistive sensor demonstrates practical utility.

Conclusions:

  • The developed current-mode circuits are suitable for embedded sensing systems due to their performance, low power consumption, and programmability.
  • These circuits offer a reconfigurable analog conditioning solution for advanced sensor preprocessing.
  • The integration of these circuits enhances sensor accuracy and expands operational capabilities in embedded applications.