Next-generation delta-sigma converters: Trends and perspectives
This paper presents an overview of emerging circuits and systems techniques which are at
the forefront of the state of the art in ΔΣ modulators, pushing their performance forward and …
the forefront of the state of the art in ΔΣ modulators, pushing their performance forward and …
Bidirectional peripheral nerve interface with 64 second-order opamp-less ΔΣ ADCs and fully integrated wireless power/data transmission
An active probe and microstimulator SoC for interfacing with peripheral nerves is presented.
It performs 64-channel artifact-tolerant neural recording, cuff imbalance compensation by …
It performs 64-channel artifact-tolerant neural recording, cuff imbalance compensation by …
A 0.3-V CMOS biofuel-cell-powered wireless glucose/lactate biosensing system
This paper presents a self-powered wireless physiochemical sensing system for monitoring
of glucose or lactate in bodily fluids. The biosensor chip consists of a duty-cycled biofuel cell …
of glucose or lactate in bodily fluids. The biosensor chip consists of a duty-cycled biofuel cell …
Fully dynamic discrete-time ΔΣ ADC using closed-loop two-stage cascoded floating inverter amplifiers
A Matsuoka, T Nezuka, T Iizuka - IEEE Transactions on Circuits …, 2021 - ieeexplore.ieee.org
This brief proposes a fully dynamic discrete-time ADC using closed-loop two-stage
cascoded floating inverter amplifiers (FIA). The proposed FIA uses a non-cascoded FIA as …
cascoded floating inverter amplifiers (FIA). The proposed FIA uses a non-cascoded FIA as …
A 4.2-mW 77.1-dB SNDR 5-MHz BW DT 2-1 MASH Modulator With Multirate Opamp Sharing
This paper presents a discrete time 2-1 MASH Delta-Sigma (ΔΣ) modulator with multirate
opamp sharing for analog-to-digital converters, targeting the optimization of power efficiency …
opamp sharing for analog-to-digital converters, targeting the optimization of power efficiency …
15.3 A 1V 77dB-DR 72dB-SNDR 10MHz-BW 2-1 MASH CT ΔΣM
ΔΣM performance can be improved by using MASH or SMASH structures to obtain higher-
order noise sha** [1]. They have better stability than single-loop structures. The power …
order noise sha** [1]. They have better stability than single-loop structures. The power …
A 0.4-to-1 V Voltage Scalable ADC With Two-Step Hybrid Integrator for IoT Sensor Applications in 65-nm LP CMOS
This brief presents a two-step hybrid integrator (TSHI) that can operate at a wide supply
voltage range, which is demonstrated with a third-order ΔΣ analog-to-digital converter …
voltage range, which is demonstrated with a third-order ΔΣ analog-to-digital converter …
AI-assisted sigma-delta converters—Application to cognitive radio
JM de la Rosa - IEEE Transactions on Circuits and Systems II …, 2022 - ieeexplore.ieee.org
This brief discusses the use of Artificial Intelligence (AI) to manage the operation and
improve the performance of Analog-to-Digital Converters (ADCs) based on Sigma-Delta …
improve the performance of Analog-to-Digital Converters (ADCs) based on Sigma-Delta …
AI-managed cognitive radio digitizers
JM de la Rosa - IEEE Circuits and Systems Magazine, 2022 - ieeexplore.ieee.org
Embedding Artificial Intelligence (AI) in integrated circuits is one of the technology pillars of
the so-called digital transformation. Nowadays, the vast majority of electronic devices …
the so-called digital transformation. Nowadays, the vast majority of electronic devices …
Active–Passive Modulator for High-Resolution and Low-Power Applications
This paper discusses the use of a low gain amplifier and a passive switched-capacitor (SC)
network to enable the SC integrator function. The method is applied to a delta-sigma …
network to enable the SC integrator function. The method is applied to a delta-sigma …