1.4V 13μW 83dB DR CT-ΣΔ modulator with Dual-Slope quantizer and PWM DAC for biopotential signal acquisition.
Francesco CannilloEnrique PrefasiLuis HernándezErnesto PunRefet Firat YaziciogluChris Van HoofPublished in: ESSCIRC (2011)
Keyphrases
- signal acquisition
- noise shaping
- delta sigma
- signal processing
- high speed
- ct images
- data transmission
- image coding
- x ray
- computed tomography
- vector quantization
- error diffusion
- step size
- medical images
- coding scheme
- vector quantizer
- quantization error
- medical imaging
- image processing
- image compression
- convergence rate
- multiresolution
- feature extraction