A two-stage low-power amplifier with switch-capacitor common-mode feedback circuits

2014 ◽  
Author(s):  
Lei Zhang ◽  
Rongbin Hu ◽  
Can Zhu ◽  
Yonglu Wang ◽  
Zhengping Zhang ◽  
...  
Keyword(s):  
Low Power ◽  
Power Amplifier ◽  
Two Stage ◽  
Common Mode ◽  
Switch Capacitor ◽  
Feedback Circuits

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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