A 20-GHz PLL with 20.9-fs random jitter

Y Zhao, M Forghani, B Razavi - IEEE Journal of Solid-State …, 2022 - ieeexplore.ieee.org
This article describes an integer-phase-locked loop (PLL) that incorporates a phase detector
sampling both the rising and falling edges of the reference clock. The circuit also uses a new …

A 12.5-GHz fractional-N type-I sampling PLL achieving 58-fs integrated jitter

M Mercandelli, A Santiccioli, A Parisi… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
This article presents a fractional-N sampling type-I phase-locked loop (PLL). To overcome
the impairments of a conventional type-I PLL, namely the frequency-tuning-dependent time …

A harmonic-mixing PLL architecture for millimeter-wave application

D Yang, D Murphy, H Darabi, A Behzad… - IEEE Journal of Solid …, 2022 - ieeexplore.ieee.org
A low-noise synthesizer design in the millimeter-wave (mm-wave) range is complicated by
the invariably large closed-loop gain and the high operation frequency of the voltage …

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 Millimeter-Wave ADPLL With Reference Oversampling and Third-Harmonic Extraction Featuring High FoMjitter-N

J Du, T Siriburanon, X Chen, Y Hu… - IEEE Solid-State …, 2021 - ieeexplore.ieee.org
This letter proposes a mm-wave fractional-N reference-oversampling (ROS) all-digital phase-
locked loop (ADPLL) for 5G wireless applications utilizing a relatively low but standard …

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 480-multiplication-factor 13.2-to-17.3 GHz sub-sampling PLL achieving 6.6 mW power and-248.1 dB FoM using a proportionally divided charge pump

L Zhang, A Niknejad - 2022 IEEE International Solid-State …, 2022 - ieeexplore.ieee.org
Beyond-10GHz frequency synthesizers are ubiquitous building blocks for today's ever-
growing wireless and wireline communication systems. To meet the stringent requirements …

Millimeter-Wave All-Digital Phase-Locked Loop Using Reference Waveform Oversampling Techniques

T Siriburanon, C Liu, J Du… - IEEE Open Journal of …, 2024 - ieeexplore.ieee.org
This article proposes an mm-wave fractional-N all-digital phase-locked loop (ADPLL)
employing a reference-waveform oversampling (ROS) phase detector (PD) that increases its …

Beyond ADPLLs for RF and mm-Wave Frequency Synthesis: Watching out for new techniques: oversampling-reference and charge-sharing locking

T Siriburanon, RB Staszewski - IEEE Solid-State Circuits …, 2025 - ieeexplore.ieee.org
To address the relentless increase in data rates in wireless communication systems
employing advanced modulation schemes, such as 5G frequency range (FR) 2 [see] …

A 27-39 GHz Fractional-N PLL For 5G mm-Wave Communication With Improved Extended Range Multi-Modulus Divider

K Sun, L Lu, S Ye, J Wang, L Li… - 2023 Asia-Pacific …, 2023 - ieeexplore.ieee.org
This paper presents a 27-39 GHz fractional-N PLL (FN-PLL) with its phase noise analysis,
optimization and design for the future fifth generation (5G) millimeter wave wireless …