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Low-Noise Distributed RC Oscillator SCIE SCOPUS

Title
Low-Noise Distributed RC Oscillator
Authors
Koo, JahyunSim, Jae-Yoon
Date Issued
2022-02
Publisher
Institute of Electrical and Electronics Engineers Inc.
Abstract
© 2021 IEEE.This article proposes a circuit architecture and design strategy of a low-noise oscillator based on the distributed RC network. The distributed RC network receives a differential step input and propagates the true phase through the resistive path while the complementary phase through the capacitive path. It effectively suppresses the effect of noise by increasing the signal transition slope at the time of interest. It is achieved by embedding a bandpass characteristic with a phase delay of π. A 358-kHz quadrature oscillator with a fourth-stage RC network is implemented using the 0.18- μm CMOS process. It achieves an figure of merit (FoM) of -161.2 dBc/Hz at a 100-Hz offset with a stable 20-dB roll-off in the phase noise and an Allan deviation floor of less than 0.7 ppm.
URI
https://oasis.postech.ac.kr/handle/2014.oak/113097
DOI
10.1109/TVLSI.2021.3131170
ISSN
1063-8210
Article Type
Article
Citation
IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 30, no. 2, page. 143 - 152, 2022-02
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심재윤SIM, JAE YOON
Dept of Electrical Enginrg
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