An Ultra-High Input Impedance Analog Front End Using Self-Calibrated Positive Feedback

2018 ◽  
Vol 53 (8) ◽  
pp. 2252-2262 ◽  
Author(s):  
Jinseok Lee ◽  
Geon-Hwi Lee ◽  
Hyojun Kim ◽  
SeongHwan Cho
Keyword(s):  
Positive Feedback ◽  
Input Impedance ◽  
High Input ◽  
High Input Impedance ◽  
Front End ◽  
Analog Front End

A novel high input impedance front-end for capacitive biopotential measurement

2018 ◽  
Vol 56 (8) ◽  
pp. 1343-1355 ◽  
Author(s):  
Rongrong Wu ◽  
Yue Tang ◽  
Zhiyu Li ◽  
Limin Zhang ◽  
Feng Yan
Keyword(s):  
Input Impedance ◽  
High Input ◽  
High Input Impedance ◽  
Front End

LOW POWER CONTINUOUS TIME COMMON MODE SENSING FOR COMMON MODE FEEDBACK CIRCUITS

2010 ◽  
Vol 19 (03) ◽  
pp. 519-528 ◽  
Author(s):  
M. PRAMOD ◽  
T. LAXMINIDHI
Keyword(s):  
Continuous Time ◽  
Input Impedance ◽  
Cmos Process ◽  
High Input ◽  
High Input Impedance ◽  
Common Mode ◽  
Standby Power ◽  
Low Distortion ◽  
Simulation Results ◽  
Feedback Circuits

Continuous common mode feedback (CMFB) circuits having high input impedance and low distortion are proposed. The proposed circuits are characterized for 0.18 μm CMOS process with 1.8 V supply. Simulation results indicate that the proposed common mode detector consumes no standby power and CMFB circuit consumes 27–34% less power than previous high swing CMFB circuits.

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