A LOW-POWER LOW-NOISE LOGARITHMIC AMPLIFIER FOR BIO-POTENTIAL SIGNAL RECORDING APPLICATIONS

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Bahrami E.; SHAMSI H.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Paper Information

Journal: TABRIZ JOURNAL OF ELECTRICAL ENGINEERING Year:2016 | Volume:46 | Issue:3 (77) Page(s): 73-81

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Information Journal Paper

Title

A LOW-POWER LOW-NOISE LOGARITHMIC AMPLIFIER FOR BIO-POTENTIAL SIGNAL RECORDING APPLICATIONS

Author(s)

Bahrami E. | SHAMSI H. | Issue Writer Certificate

Keywords

ACTION POTENTIALQ2

BIOQ2

POTENTIALQ2

LOCAL FIELD POTENTIALQ2

PIECEQ2

WISE LINEAR APPROXIMATIONQ2

LOWQ2

POWERQ2

Abstract

In this paper a LOW-power, LOW-noise logarithmic amplifier is presented in order to use in the front-end of BIO-potential recording microsystems. To avoid increasing the temperature and so destruction of the surrounding tissue, LOW-power performance is critical. The logarithmic characteristic is obtained by using the PIECE-wise linear approximation and the parallel summation topology. This structure is capable to generate both current and voltage outputs. The offset cancellation mechanism in the feedback loop has been employed to remove the DC offset. The amplifier has been simulated in a 0.18 mm CMOS process. Implementation of the circuit is done by drawing the layout. The post simulation results demonstrate a CMRR of 130.2 dB at 50/60 Hz and an input referred noise of 3.22 mVrms in a band width of 0.1-10kHz. The POWER consumption is 3.96 µW from a 1.2 V POWER supply.

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APA: Copy

Bahrami, E., & SHAMSI, H.. (2016). A LOW-POWER LOW-NOISE LOGARITHMIC AMPLIFIER FOR BIO-POTENTIAL SIGNAL RECORDING APPLICATIONS. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, 46(3 (77)), 73-81. SID. https://sid.ir/paper/256465/en

Vancouver: Copy

Bahrami E., SHAMSI H.. A LOW-POWER LOW-NOISE LOGARITHMIC AMPLIFIER FOR BIO-POTENTIAL SIGNAL RECORDING APPLICATIONS. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING[Internet]. 2016;46(3 (77)):73-81. Available from: https://sid.ir/paper/256465/en

IEEE: Copy

E. Bahrami, and H. SHAMSI, “A LOW-POWER LOW-NOISE LOGARITHMIC AMPLIFIER FOR BIO-POTENTIAL SIGNAL RECORDING APPLICATIONS,” TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, vol. 46, no. 3 (77), pp. 73–81, 2016, [Online]. Available: https://sid.ir/paper/256465/en

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