CMOS Image Sensors

• Single photon avalanche diodes (SPADs)
• time to digital converters
• Column-parallel and pixel-parallel ADC structures
• fixed-pattern noise reduction
• low-noise readout architectures
• pixel structures
• high-speed imagers
• 3D imaging
• kTC noise reduction

Mixed-signal CMOS Integrated Circuit Design

• ADC architectures (flash, pipeline, cyclic, sigma-delta, successive etc)
• DACs
• PLLs
• DLLs
• bandgaps
• filters

Sigma-delta ADC and DACs

• Low-power, low-voltage architectures
• multi-bit DAC linearization
• high-sample rate, switched-capacitor and continuous-time implementations

Biosensors

• Fluorescence detection
• dielectrophoresis
• chemical sensing
• lab-on-a-chip

Current Projects

• CSS Research pages