An Engineering Perspective of External Cardiac Loop Recorder: A Systematic Review

Table 7

CMRR comparison of different works done for ECG amplifier using CMOS technology.

Reference paper	CMRR	Process tech	Battery voltage
[54]	71 dB	0.18 μm	1.8 V dual
[55]	141.61 dB	0.18 μm	1.8 V dual
[56]	82 dB	0.18 μm	—
[57]	>125 dB	0.18 μm	0.4 V
[58]	62 dB	—	3.3 V
[59]	>100 dB	—	3.3 V
[60]	80 dB	0.13 μm	0.7 V
[61]	150 dB	0.18 μm	1.8 V
[62]	167.87 dB	—	—
[63]	125 dB	0.18 μm	—