A 174.3-dB FoM VCO-Based CT ΔΣ Modulator With a Fully-Digital Phase Extended Quantizer and Tri-Level Resistor DAC in 130-nm CMOS.
Shaolan LiAbhishek MukherjeeNan SunPublished in: IEEE J. Solid State Circuits (2017)
Keyphrases
- delta sigma
- noise shaping
- analog to digital converter
- cmos technology
- circuit design
- medical images
- high speed
- metal oxide semiconductor
- low cost
- sigma delta
- vector quantization
- computed tomography
- low power
- cmos image sensor
- step size
- ct images
- mixed signal
- power consumption
- medical imaging
- image reconstruction
- image registration