LIN T, XU Y P. A low-power and low-offset cmos front-end amplifier for portable EEG acquisition system [J]. IEEE International Workshop on Biomedical Circuits & Systems, 2004(1):17-20.
[4]
WEN H K. Active electrodes for eeg and evoked potential [A]. 1998.2221-2224.
[5]
GRISS P, ENOKSSON P, TOLVANEN-LAAKSO H K. Spiked biopotential electrodes [A]. 2000.323-328.
[6]
CHAN P K, NG K A, ZHANG X L. A CMOS chopper-stabilized differential difference amplifier for biomedical integrated circuits [A]. 2004.33-36.
[7]
SALTHOUSE C D, SARPESHKAR R. A micropower band-pass filter for use in bionic ears [J]. IEEE Transactions on Circuits and Systems, 2002(5):189-192.
NG K A, CHAN P K. A CMOS analog front-end IC for portable EEG/ECG monitoring applications [J]. IEEE Transactions on Circuits and System (Ⅰ):Regular Papers, 2005, (11):2335-2347.doi:10.1109/TCSI.2005.854141.
[10]
ZHAO J, SCLABASSI R J, SUN M. Biopotential electrodes based on hydrogel [A]. 2005.67-70.
[11]
GRISS P, TOLVANEN-LAAKSO, MERILAINEN P. Characterization of micromachined spiked biopotential electrodes [J]. IEEE Transactions on Biomedical Engineering, 2002(6):597-604.doi:10.1109/TBME.2002.1001974.