Analysis and design of a multi-core oscillator for ultra-low phase noise

SAR Ahmadi-Mehr, M Tohidian… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, we exploit an idea of coupling multiple oscillators to reduce phase noise (PN)
to beyond the limit of what has been practically achievable so far in a bulk CMOS …

Low-phase-noise wideband mode-switching quad-core-coupled mm-wave VCO using a single-center-tapped switched inductor

Y Peng, J Yin, PI Mak, RP Martins - IEEE Journal of Solid-State …, 2018 - ieeexplore.ieee.org
This paper describes a mode-switching quad-core-coupled millimeter-wave (mm-wave)
voltage-controlled oscillator (VCO), using a single-center-tapped (SCT) switched inductor for …

A comparative study of ring VCO and LC-VCO: Design, performance analysis, and future trends

NR Sivaraaj, KKA Majeed - IEEE Access, 2023 - ieeexplore.ieee.org
Voltage-controlled Oscillator (VCO) is a prominent part that has been used to generate a
stable frequency for the high-frequency transceiver system. This survey encompasses a …

A low-integrated-phase-noise 27–30-GHz injection-locked frequency multiplier with an ultra-low-power frequency-tracking loop for mm-wave-band 5G transceivers

S Yoo, S Choi, J Kim, H Yoon, Y Lee… - IEEE Journal of Solid …, 2017 - ieeexplore.ieee.org
An ultra-low-phase-noise injection-locked frequency multiplier (ILFM) for millimeter wave
(mm-wave) fifth-generation transceivers is presented. Using an ultra-low-power frequency …

A 2.3-mW 26.3-GHz -Boosted Differential Colpitts VCO With 20% Tuning Range in 65-nm CMOS

MH Kashani, R Molavi… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
This paper presents an architecture for differential Colpitts voltage-controlled oscillators
(VCOs) in complementary metal-oxide-semiconductor (CMOS) that utilizes three design …

A wide tuning range, low phase noise, and area efficient dual-band millimeter-wave CMOS VCO based on switching cores

A Basaligheh, P Saffari, W Winkler… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper presents a millimeter-wave wide tuning range voltage-controlled oscillator (VCO)
incorporating two switchable decoupled VCO cores. When the first core is switched on …

An ultra-low-jitter, mmW-band frequency synthesizer based on digital subsampling PLL using optimally spaced voltage comparators

J Kim, Y Lim, H Yoon, Y Lee, H Park… - IEEE Journal of Solid …, 2019 - ieeexplore.ieee.org
This article presents a cascaded architecture of a frequency synthesizer to generate ultra-
low-jitter output signals in a millimeter-wave (mmW) frequency band from 28 to 31 GHz. The …

On the design of a high-performance mm-wave VCO with switchable triple-coupled transformer

MH Kashani, A Tarkeshdouz, R Molavi… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
In this article, we present a circuit technique to design a wide tuning range (TR) voltage-
controlled oscillator (VCO). The employed technique extends the TR with a minimal adverse …

A 65–81 GHz CMOS dual-mode VCO using high quality factor transformer-based inductors

A Basaligheh, P Saffari, IM Filanovsky… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper presents a wide-tuning range dual-mode millimeter wave (mm-wave) voltage
controlled oscillator (VCO) incorporating high quality-factor (Q) transformer-based variable …

A 20.7–43.8-GHz low power reconfigurable× 2/× 3 frequency multiplier for multiple 5G-mm-wave bands

Z Wang, K Ma, Z Ma, H Fu, J Xu - IEEE Journal of Solid-State …, 2022 - ieeexplore.ieee.org
A reconfigurable injection-locked frequency multiplier (RE-ILFM) with both frequency
doubler mode (DM) and tripler mode (TM) is proposed to increase both the operation …