@article {8252872,
	title = {A 1-V 0.25- $μ \textW$ Inverter Stacking Amplifier With 1.07 Noise Efficiency Factor},
	journal = {IEEE Journal of Solid-State Circuits},
	volume = {53},
	number = {3},
	year = {2018},
	month = {March},
	pages = {896-905},
	abstract = {This paper presents a highly power-efficient amplifier. By stacking inverters and splitting the capacitor feedback network, the proposed amplifier achieves six-time current reuse, thereby significantly boosting the transconductance and lowering noise but without increasing the current consumption. A novel biasing scheme is devised to ensure robust operation under 1-V supply. A prototype in 180-nm CMOS has 5.5-μVrms noise within 10-kHz BW while consuming only 0.25-μW power, leading to a noise efficiency factor of 1.07, which is the best among reported amplifiers.},
	issn = {1558-173X},
	doi = {10.1109/JSSC.2017.2786724},
	author = {Shen, Linxiao and Lu, Nanshu and Sun, Nan}
}
