• Continuous-Time ΣΔ ADC with Implicit Variable Gain Amplifier for CMOS Image Sensor 

      Tang, Fang; Bermak, Amine; Abbes, Amira; Benammar, Mohieddine Amor ( Hindawi Publishing Corporation , 2014 , Article)
      This paper presents a column-parallel continuous-time sigma delta (CTSD) ADC for mega-pixel resolution CMOS image sensor (CIS). The sigma delta modulator is implemented with a 2nd order resistor/capacitor-based loop filter. ...