A Second-Order Bandpass Time-to-Digital Converter With Negative Time-Mode Feedback

S Ziabakhsh, G Gagnon… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper presents an all-digital bandpass ΔΣ time-to-digital converter (BP) ΔΣTDC) for IF
data conversion. The proposed TDC is based on a second-order resonator implemented by …

A digital-intensive extended-range dual-mode BLE5. 0 and IEEE802. 15.4 transceiver SoC

NS Kim - IEEE Transactions on Microwave Theory and …, 2020 - ieeexplore.ieee.org
The proposed fully integrated digital-intensive system on chip (SoC) allows dual-mode
protocols of Bluetooth low energy (BLE) 5.0 and IEEE802. 15.4 with extended-range …

A CMOS RF BeiDou-1 transceiver for regional positioning and short message service applications

Y Wang, R Zhou, X Yu, Y Li - IEEE Access, 2020 - ieeexplore.ieee.org
This paper presents a fully integrated CMOS radio-frequency (RF) transceiver for BeiDou-1,
a radio determination satellite service system which can provide regional positioning and …

A dual-channel microwave photonic mixer with large dynamic range

F Shi, Y Fan, Y Gao - Optik, 2022 - Elsevier
A microwave photonic mixer has the advantages of large transmission bandwidth, good
frequency tunability, high isolation, and anti-electromagnetic interference. For the practical …

应用于高精度定位定向的可重构GNSS 射频接收机.

李斌, 王日炎, 陈志坚, 钟世广, 彭恒… - Journal of South …, 2023 - search.ebscohost.com
针对卫星导航高精度定位定向射频(RF) 接收机面临的需求种类多, 体积大的问题,
介绍一种应用于高精度定位定向的高集成可重构全球导航卫星系统(GNSS) 射频接收机 …

Gm-free assisted opamp technique for continuous time delta-sigma modulators

A ElShater, CY Lee, PK Venkatachala… - … on Circuits and …, 2019 - ieeexplore.ieee.org
In this paper, a modified assisted opamp technique is proposed for power saving. The
original assisted opamp technique adds assistance circuitry to an integrator that results in …

Continuous-time complex band-pass Gm-C sigma delta ADC with programmable bandwidths

V Javvaji, S Musala, BNK Reddy - Analog Integrated Circuits and Signal …, 2021 - Springer
In this paper new continuous-time sigma delta modulator that supports complex band-pass
(CBP) architectures with the re-configurable bandwidths of 5 and 10 MHz is presented. In …

A 1-MHz-Bandwidth Gm-C-Based Quadrature Bandpass Sigma-Delta Modulator Achieving− 153.7-dBFS/Hz NSD With Background Calibration

M Zhang, Q Cai, Z Yang, X Jia… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper presents a fifth-order continuous-time Gm-C-based quadrature bandpass sigma-
delta (ΔΣ) modulator for Internet-of-Things applications. In the presented ΔΣ modulator, a …

A new Mismatch cancelation for Quadrature Delta Sigma Modulator

A Shamsi - International Journal of Industrial Electronics Control …, 2020 - ieco.usb.ac.ir
This paper proposes a new mismatch cancelation technique for quadrature delta-sigma
modulators (QDSM). In this approach, a high speed and simple structure dynamic element …

Inductorless Bandpass Noise-Shaping Continuous-Time Pipelined ADC Architectures

MW Ismail, X Liu, TC Carusone - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
The continuous-time pipelined (CTP) ADC is an emerging architecture that can achieve a
lower oversampling ratio than conventional CT ΔΣ ADCs with an improved power efficiency …