A Novel Wide Tuning Range Differential Ring Oscillator Application in Dynamically Stable and 1.17 s Lock Time CP-PLL Frequency Synthesizer

R Ahmad, GK Sharma, D Boolchandani… - Circuits, Systems, and …, 2023 - Springer
A novel delay cell circuit for differential ring oscillator (DRO) with large tuning range along
with application in charge pump phase lock loop (CP-PLL) frequency synthesizer has been …

Phase noise suppression in LC oscillators: Tutorial

M Bagheri, X Li - International Journal of Circuit Theory and …, 2021 - Wiley Online Library
This paper presents a comprehensive study of phase noise (PN) suppression in LC‐tank
oscillators. The goal of this study is to provide designers with the latest techniques for …

30-GHz low-phase-noise VCO with negative transconductance optimization in 65-nm CMOS

A Hossain, SB Lee, CW Byeon - IEEE Microwave and Wireless …, 2022 - ieeexplore.ieee.org
In this letter, we propose a millimeter-wave low-phase-noise voltage-controlled oscillator
(VCO). To enhance the phase noise performance of the VCO without frequency-tuning …

A wide tuning range, low noise oscillator with FoM of-188 dBc/Hz in 45 nm CMOS

GK Sharma, TB Kumar, AK Johar… - AEU-International Journal …, 2020 - Elsevier
A wide tuning range, low phase noise oscillator with 3 stage differential configuration is
presented. GPDK 45 nm CMOS Technology is selected for the design and simulation of the …

A 28-GHz –195-dB FoMA 3.72-GHz/V Class-B/C Nested-gm VCO with Coupled Tail Filtering in a 65-nm CMOS

GS Kim, KI Oh, D Baek - IEEE Access, 2024 - ieeexplore.ieee.org
This paper introduces a class-B/C nested-gm voltage-controlled oscillator (VCO) with
coupled tail filtering in the 28 GHz band. The addition of only two cross-coupled NMOSs …

Low-Phase Noise, Low-Power Four-Stage Ring VCO for OFDM Systems

P Trivedi, BB Tiwari - Journal of Circuits, Systems and Computers, 2023 - World Scientific
This work describes a new design approach for a four-stage ring Voltage-Controlled
Oscillator (VCO) for Orthogonal Frequency Division Multiplexing (OFDM) systems, which is …

A new current-shaping technique based on a feedback injection mechanism to reduce VCO phase noise

FJ del Pino Suárez, SL Khemchandani - Sensors, 2021 - mdpi.com
Inductor-capacitor voltage controlled oscillators (LC-VCOs) are the most common type of
oscillator used in sensors systems, such as transceivers for wireless sensor networks …

Wide Tuning Range 4-Stage Ring VCO for Phase Locked Loop

P Trivedi, BB Tiwari - 2023 First International Conference on …, 2023 - ieeexplore.ieee.org
A new four stage differential ring voltage-controlled oscillator (VCO) is introduced in this
paper for wide tuning-range applications of phase-locked loops (PLLs). A differential delay …

A 0.73 mW low power 9.6 GHz LC voltage-controlled oscillator achieves constant KVCO and− 189.2 FOM

X Luo, S Wang, R Xiang, S Shu, B Zhang, W Wu… - Microelectronics …, 2024 - Elsevier
This article introduces a novel approach of LC voltage-controlled oscillator (VCO) to
overcome the challenges present in the Phase-locked loop (PLL) in high-frequency …

Phase shift techniques for improving varactor-less QVCO based on rotated-phase-tuning

C Li, L Wu, W Che, Q Xue - … on Circuits and Systems II: Express …, 2021 - ieeexplore.ieee.org
This brief proposes and verifies a new phase shifter applied in the rotated phase tuning
(RPT) technique in Ka-band. The flexible phase shift in the RPT technique is significant for …