Frequency-bandwidth-tunable powerline notch filter for biopotential acquisition systems

Electronics Letters

Volumn 45, Issue 4, 2009, Pages 197-199

  Ma, C T ^a   Mak, P I ^a   Vai, M I ^a   Mak, P U ^a   Pun, S H ^a   Feng, W ^a   Martins, R P ^a,b  

^a UNIVERSITY OF MACAU   (Macao)

^b INSTITUTO SUPERIOR TÉCNICO   (Portugal)

Author keywords

[No Author keywords available]

Indexed keywords

BANDPASS FILTERS; BANDWIDTH; BIOELECTRIC POTENTIALS; CHOPPERS (CIRCUITS); RESONANT CIRCUITS;

ACQUISITION SYSTEMS; BIOPOTENTIAL MEASUREMENT; CHOPPER FREQUENCY; FREQUENCY BAND WIDTH; FREQUENCY TRANSLATION; FREQUENCY TUNABILITY; INSTRUMENTATION AMPLIFIER; TRANSISTOR LEVEL;

NOTCH FILTERS;

EID: 60249094380     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:20093704     Document Type: Article

References (3)

1. Yazicioglu, R.F., Merken, P., and Robert, P.: ' A 60W 60 nV/√Hz Readout front-end for portable biopotential acquisition systems ', IEEE J. Solid-State Circuits, 2007, 42, (5), p. 1100-1110 0018-9200
2. Enz, C.C., and Temes, G.C.: ' Circuit techniques for reducing the effects of opamp imperfections: autozeroing, correlated double sampling, and chopper stabilization ', IEEE Proc., 1996, 84, (11), p. 1584-1614 10.1109/5.542410
3. Qian, X., Xu, Y.P., and Li, X.: ' A CMOS continuous-time low-pass notch filter for EEG systems ', Analog Integr. Circuits Signal Process., 2005, 44, (3), p. 231-238 10.1007/s10470-005-3007-x 0925-1030