Oscillator flicker phase noise: A tutorial

Y Hu, T Siriburanon… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
A deep understanding of how to reduce flicker phase noise (PN) in oscillators is critical in
supporting ultra-low PN frequency generation for the advanced communications and other …

A 30-GHz class-F quadrature DCO using phase shifts between drain–gate–source for low flicker phase noise and I/Q exactness

X Chen, Y Hu, T Siriburanon, J Du… - Ieee Journal of Solid …, 2023 - ieeexplore.ieee.org
In this article, we present a low phase noise (PN) mm-wave quadrature digitally controlled
oscillator (DCO) exploiting transformers for class-F operation and harmonic extraction. A …

A charge-sharing locking technique with a general phase noise theory of injection locking

Y Hu, X Chen, T Siriburanon, J Du… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
This article presents a millimeter-wave (mmW) frequency synthesizer based on a new
charge-sharing locking (CSL) technique. A charge-preset capacitor is introduced for charge …

A Compact 0.2–0.3-V Inverse-Class-F23 Oscillator for Low 1/f3 Noise Over Wide Tuning Range

J Du, Y Hu, T Siriburanon, E Kobal… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
We introduce a new mode of oscillation in an LC-tank: an inverse class-F 23. In contrast to
the conventional class-F oscillators, in which a high value of the real impedance (ie …

A 4.4-GHz 193.2-dB FoM 8-shaped-inductor based LC-VCO using orthogonal-coupled triple-coil transformer

Y Sun, W Deng, H Jia, Z Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
A 4.2-to-4.6 GHz 8-shaped-inductor based LC-VCO with an orthogonal-coupled triple-coil
transformer is presented in this brief. The orthogonal-coupled triple-coil transformer is …

8-Shaped Inductors: An Essential Addition to RFIC Designers' Toolbox

P Guan, H Jia, W Deng, T Siriburanon… - IEEE Open Journal …, 2024 - ieeexplore.ieee.org
The rapidly advancing field of millimeter-wave (mm-wave) radio-frequency integrated circuit
(RFIC) design has ushered in an era of remarkable innovation, particularly in the realm of on …

[HTML][HTML] 500 MHz high resolution proximity sensors with fully integrated digital counter

R Farsi, NS Solmaz, N Khosropour, B Jacinto, F Giroud… - Measurement, 2023 - Elsevier
We report on the design and characterization of two inductive proximity sensors based on
LC oscillators operating at 500 MHz. The distance from the target is obtained by measuring …

Flicker phase-noise reduction using gate–drain phase shift in transformer-based oscillators

X Chen, Y Hu, T Siriburanon, J Du… - … on Circuits and …, 2021 - ieeexplore.ieee.org
This article presents a wide-band suppression technique of flicker phase noise (PN) by
means of a gate–drain phase shift in a transformer-based complementary oscillator. We …

A New Boosted Active-Capacitor With Negative-Gm for Wide Tuning Range VCOs

P Agarwal, M Chahardori, D Heo - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
A new boosted active-capacitor (BAC) architecture using LC-tuned active-impedance-
conversion is presented. In the chosen frequency range, the proposed BAC acts as a …

Comprehensive analysis of LC cross-coupled oscillator with active and passive transconductance amplification structure

P Kiani Vosta, H Miar-Naimi, M Javadi - Analog Integrated Circuits and …, 2023 - Springer
Phase noise is one of the most important criteria for evaluating the performance quality of
the oscillators. Some of the effective methods to reduce phase noise and improve …