Design and Analysis of an Ultra-Low-Power Second-Order Asynchronous Delta–Sigma Modulator
Sign Up to like & getrecommendations! Published in 2017 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-017-0658-7
Abstract: In this paper, a second-order asynchronous delta–sigma modulator is proposed based on the active-RC integrators. The operational transconductance amplifiers used in the integrators are improved by employing a class-AB structure with bulk-driven input drivers and… read more here.
Keywords: order; asynchronous delta; delta sigma; second order ... See more keywords
A 20-nW 0.25-V Inverter-Based Asynchronous Delta–Sigma Modulator in 130-nm Digital CMOS Process
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Very Large Scale Integration (VLSI) Systems"
DOI: 10.1109/tvlsi.2017.2741343
Abstract: This paper presents a new inverter-based architecture that implements an asynchronous delta–sigma modulator. Different from the classical architecture, it features an input transconductor that promotes a differential and high input impedance that makes it easier… read more here.
Keywords: delta sigma; asynchronous delta; sigma modulator; inverter based ... See more keywords