A 28fJ/conv-step CT ΔΣ modulator with 78dB DR and 18MHz BW in 28nm CMOS using a highly digital multibit quantizer.
Yun-Shiang ShuJui-Yuan TsaiPing ChenTien-Yu LoPao-Cheng ChiuPublished in: ISSCC (2013)
Keyphrases
- delta sigma
- cmos technology
- noise shaping
- nm technology
- analog to digital converter
- high speed
- metal oxide semiconductor
- low power
- mixed signal
- power consumption
- sigma delta
- image coding
- circuit design
- image sensor
- low cost
- error diffusion
- low voltage
- cmos image sensor
- medical images
- ct images
- x ray
- step size
- image compression
- three dimensional
- quantization error
- ct scans
- distortion measure
- power dissipation
- parallel processing