Next-generation delta-sigma converters: Trends and perspectives
JM de la Rosa, R Schreier, KP Pun… - IEEE Journal on …, 2015 - ieeexplore.ieee.org
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 …
A 1-GHz 16-element four-beam true-time-delay digital beamformer
Phased arrays are widely used due to their low power and small area usage. However,
phased arrays depend on the narrowband assumption and, therefore, are not suitable for …
phased arrays depend on the narrowband assumption and, therefore, are not suitable for …
A 106 dB A-Weighted DR Low-Power Continuous-Time Modulator for MEMS Microphones
C De Berti, P Malcovati, L Crespi… - IEEE Journal of Solid …, 2016 - ieeexplore.ieee.org
This paper presents a low-power, high-performance continuous-time ΣΔ modulator for
MEMS microphones frontend. The ΣΔ modulator 3rd-order loop filter has been implemented …
MEMS microphones frontend. The ΣΔ modulator 3rd-order loop filter has been implemented …
Bandpass Sigma–Delta Modulation: The Path toward RF-to-Digital Conversion in Software-Defined Radio
JM de la Rosa - Chips, 2023 - mdpi.com
This paper reviews the state of the art on bandpass Σ Δ modulators (BP-Σ Δ Ms) intended to
digitize radio frequency (RF) signals. A priori, this is the most direct way to implement …
digitize radio frequency (RF) signals. A priori, this is the most direct way to implement …
A 260 MHz IF Sampling Bit-Stream Processing Digital Beamformer With an Integrated Array of Continuous-Time Band-Pass Modulators
J Jeong, N Collins, MP Flynn - IEEE Journal of Solid-State …, 2016 - ieeexplore.ieee.org
We propose an ADC-digital codesign approach to IF sampling digital beamforming (DBF)
that combines continuous-time bandpass ΔΣ modulators (CTBPDSMs) and bit-stream …
that combines continuous-time bandpass ΔΣ modulators (CTBPDSMs) and bit-stream …
A 36.3-to-38.2GHz −216dBc/Hz2 40nm CMOS fractional-N FMCW chirp synthesizer PLL with a continuous-time bandpass delta-sigma time-to-digital converter
D Weyer, MB Dayanik, S Jang… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
Automotive radar and other mm-wave applications require high-quality frequency
synthesizers that offer fast settling and low phase noise. Analog PLLs still dominate in the …
synthesizers that offer fast settling and low phase noise. Analog PLLs still dominate in the …
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 …
A 16-element 4-beam 1 GHz IF 100 MHz bandwidth interleaved bit stream digital beamformer in 40 nm CMOS
A 1 GHz intermediate frequency, 16-element, 4-beam digital beamformer facilitates multi-in
multi-out, 5G mobile, and other emerging communication standards. Digital beamforming …
multi-out, 5G mobile, and other emerging communication standards. Digital beamforming …
An ELDC-free 4th-order CT SDM facilitated by 2nd-order NS CT-SAR and AC-coupled negative-R
Z Xu, K Xing, Y Zhu, RP Martins… - IEEE Journal of Solid …, 2023 - ieeexplore.ieee.org
This article presents an excess loop delay compensation (ELDC) free 20 MHz bandwidth
(BW) fourth-order continuous-time sigma-delta modulator (CT SDM) facilitated by a noise …
(BW) fourth-order continuous-time sigma-delta modulator (CT SDM) facilitated by a noise …