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A 174.3dB FoM VCO-based CT ΔΣ modulator with a fully digital phase extended quantizer and tri-level resistor DAC in 130nm CMOS.
Shaolan Li
Nan Sun
Published in:
ESSCIRC (2016)
Keyphrases
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delta sigma
noise shaping
analog to digital converter
cmos technology
power consumption
high speed
medical images
circuit design
sigma delta
image coding
coding scheme
ct images
metal oxide semiconductor
computed tomography
step size
error diffusion
three dimensional
low cost
image reconstruction