ISCAS
2005
IEEE
13 years 10 months ago
2005
IEEE
— A bandgap reference circuit employing subthreshold current is proposed. Only a small fraction of VBE is utilized to generate the reference voltage of 170mV. Since the subthresh...
ISCAS
2007
IEEE
13 years 11 months ago
2007
IEEE
— In this paper, a Variable Reference Time Domain Encoding CMOS image sensor is presented. The time domain encoding vision sensor is known to suffer from slow conversion time, es...