High-performance harmonic-rich single-core VCO with multi-LC tank: A tutorial

Y Chen, PI Mak, RP Martins - IEEE Transactions on Circuits and …, 2022 - ieeexplore.ieee.org
This brief overviews the development of high-performance single-core voltage-controlled
oscillators (VCOs) employing a multi-LC tank over the past two decades. From the circuit …

On the Design of Wideband Transformer-Based Fourth Order Matching Networks for -Band Receivers in 28-nm CMOS

M Vigilante, P Reynaert - IEEE Journal of Solid-State Circuits, 2017 - ieeexplore.ieee.org
This paper discusses the design of on-chip transformer-based fourth order filters, suitable for
mm-Wave highly sensitive broadband low-noise amplifiers (LNAs) and receivers (RXs) …

A class-f cmos oscillator

M Babaie, RB Staszewski - IEEE Journal of Solid-State Circuits, 2013 - ieeexplore.ieee.org
An oscillator topology demonstrating an improved phase noise performance is proposed in
this paper. It exploits the time-variant phase noise model with insights into the phase noise …

Doubly-tuned transformer networks: A tutorial

A Bevilacqua, A Mazzanti - … on Circuits and Systems II: Express …, 2020 - ieeexplore.ieee.org
This tutorial illustrates the main features of the doubly-tuned transformer networks, focusing
on the various regimes of operation, the behavior around resonance, and the related …

A 27-GHz quad-core CMOS oscillator with no mode ambiguity

D Murphy, H Darabi - IEEE Journal of Solid-State Circuits, 2018 - ieeexplore.ieee.org
There is a lower bound on the size of a planar inductor below which significant Q-
degradation occurs. While this bound can limit the absolute performance of an LC oscillator …

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 …

Class-d cmos oscillators

L Fanori, P Andreani - IEEE Journal of Solid-State Circuits, 2013 - ieeexplore.ieee.org
This paper presents class-D CMOS oscillators capable of an excellent phase noise
performance from a very low power supply voltage. Starting from the recognition of the time …

Highly efficient class-C CMOS VCOs, including a comparison with class-B VCOs

L Fanori, P Andreani - IEEE Journal of Solid-State Circuits, 2013 - ieeexplore.ieee.org
This paper presents two class-C CMOS VCOs with a dynamic bias of the core transistors,
which maximizes the oscillation amplitude without compromising the robustness of the …

A Wideband Mode-Switching Quad-Core VCO Using Compact Multi-Mode Magnetically Coupled LC Network

C Li, J Guo, P Qin, Q Xue - IEEE Journal of Solid-State Circuits, 2023 - ieeexplore.ieee.org
This article proposes a quad-core millimeter-wave (mm-wave) voltage-controlled oscillator
(VCO) using a compact multi-mode magnetically coupled LC network. The network can be …

A novel CMOS high-power terahertz VCO based on coupled oscillators: Theory and implementation

YM Tousi, O Momeni, E Afshari - IEEE Journal of Solid-State …, 2012 - ieeexplore.ieee.org
We introduce a novel frequency tuning method for high-power terahertz sources in CMOS. In
this technique, multiple core oscillators are coupled to generate, combine, and deliver their …