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| Content Provider | IET Digital Library |
|---|---|
| Author | Zhou, Z. Warr, P. A. |
| Abstract | The front-end amplifier (FEA) for neural signal applications forms the critical element for signal detection and pre-processing, which determines not only the fidelity of the biosignal, but also impacts power consumption and detector size. A back-gate current neutralisation feedback technique is proposed to compensate for input leakage currents generated by low-noise amplifiers alongside signal leakage into the input bias network when in integrated circuit (IC) form. Significantly, this topology ensures the FEA maintains a high-input impedance across the wide range of manufacturing and operational variations seen in ICs. |
| Starting Page | 1586 |
| Ending Page | 1588 |
| Page Count | 3 |
| ISSN | 00135194 |
| Volume Number | 52 |
| e-ISSN | 1350911X |
| Issue Number | Issue 19, Sep (2016) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/52/19 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2016.2178 |
| Journal | Electronics Letters |
| Publisher Date | 2016-08-31 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Amplifiers Back-gate Current Neutralisation Feedback Loop Biomedical Electronics Biomedical Measurement And Imaging CMOS Analogue Integrated Circuit CMOS Integrated Circuit Compensation Detector Size Electrical Activity in Neurophysiological Processes Feedback Amplifiers Front-end Amplifier High-input Impedance Neural FEA Input Bias Network Input Leakage Current Compensation Leakage Current Low Noise Amplifier Lownoise Amplifier Medical Signal Detection Neural Signal Application Neurophysiology Power Consumption Signal Detection Signal Leakage Signal Preprocessing |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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