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A 127 fJ/conv. continuous-time delta-sigma modulator with a DWA-embedded two-step time-domain quantizer.
Chan-Hsiang Weng
Tzu-An Wei
Tsung-Hsien Lin
Published in:
VLSI-DAT (2015)
Keyphrases
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delta sigma
noise shaping
image coding
error diffusion
delta sigma modulators
frequency domain
image coder
analog to digital converter
gray scale
high quality
multiresolution
wavelet transform
digital images
image quality
subband
hardware and software