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|Title:||A compact, low input capacitance neural recording amplifier with C in/Gain of 20fF.V/V|
|Source:||Ng, K.A.,Xu, Y.P. (2012). A compact, low input capacitance neural recording amplifier with C in/Gain of 20fF.V/V. 2012 IEEE Biomedical Circuits and Systems Conference: Intelligent Biomedical Electronics and Systems for Better Life and Better Environment, BioCAS 2012 - Conference Publications : 328-331. ScholarBank@NUS Repository. https://doi.org/10.1109/BioCAS.2012.6418430|
|Abstract:||This paper presents a compact and low input capacitance neural recording amplifier. By replacing a single feedback capacitor with a clamped T-capacitor network, the proposed amplifier can achieve same mid-band gain with less input capacitance, resulting in a smaller silicon area and higher input impedance. Fabricated in 0.35μm CMOS, the amplifier occupies merely 0.056mm2. It achieves 38.1-dB mid-band gain with 1.6pF input capacitance, and hence has a Cin/Gain ratio of 20fF.V/V. It has an input referred noise of 6.72μVrms over 8.4-kHz bandwidth and NEF of 4, and consumes 6μW. In-vivo recordings from an animal experiment are also demonstrated. © 2012 IEEE.|
|Source Title:||2012 IEEE Biomedical Circuits and Systems Conference: Intelligent Biomedical Electronics and Systems for Better Life and Better Environment, BioCAS 2012 - Conference Publications|
|Appears in Collections:||Staff Publications|
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