Low-Noise Chopper Amplifier Using Lateral PNP Input Stage With Automatic Base Current Cancellation

This brief presents a low-noise chopper amplifier that uses a lateral PNP input stage with automatic base current cancellation in complementary metal-oxide-semiconductor (CMOS) process. A bipolar junction transistor (BJT) input stage can achieve lower noise level than the MOS transistor input stage,...

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Veröffentlicht in:	IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2021-07, Vol.68 (7), p.2297-2301
Hauptverfasser:	Kim, Hyungseup, Kwon, Yongsu, You, Donggeun, Choi, Hyun-Woong, Kim, Seong Hyun, Heo, Hyunwoo, Kim, Choul-Young, Lee, Hi-Deok, Ko, Hyoungho
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplifiers Analog circuits Automatic base current cancellation Bipolar transistors Cancellation Cancellation circuits chopper amplifier Choppers (circuits) Circuits CMOS CMOS process Current measurement Digital to analog conversion Digital to analog converters Input impedance lateral PNP lateral PNP input stage Logic gates Low-frequency noise low-noise amplifier Metal oxide semiconductors MOS devices Noise Noise levels Radio frequency Resistors Semiconductor devices Transistors
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