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 …

Analytical approach to the study of injection-locked frequency dividers

A Buonomo, AL Schiavo - … on Circuits and Systems I: Regular …, 2012 - ieeexplore.ieee.org
An analytical method for the nonlinear analysis of injection-locked frequency dividers
(ILFDs) is presented based on the method of the slowly-varying amplitude and phase. We …

Divide‐by‐2 LC injection‐locked frequency divider with wide locking range at low and high injection powers

SL Jang, YY Liu, CH Fang, WC Lai… - International Journal of …, 2016 - Wiley Online Library
A wide locking range nMOS divide‐by‐2 RLC injection‐locked frequency divider (ILFD) was
designed and implemented in the TSMC 0.18‐µm BiCMOS process. The ILFD is based on a …

A CMOS injection-locked frequency divider optimized for divide-by-two and divide-by-three operation

A Buonomo, AL Schiavo, MA Awan… - … on Circuits and …, 2013 - ieeexplore.ieee.org
This paper proposes a simple and effective modification of the conventional divide-by-two
injection locked frequency divider (ILFD) with direct-injection aimed at allowing both the …

On the synchronization condition for superharmonic coupled QVCOs

A Buonomo, MP Kennedy… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
A steady-state nonlinear analysis of quadrature voltage-controlled oscillators (QVCOs)
comprising two VCOs mutually coupled at their second-harmonic frequency through a direct …

Analytical model for CMOS cross‐coupled LC‐tank oscillator

M Daliri, M Maymandi‐Nejad - IET circuits, devices & systems, 2014 - Wiley Online Library
Periodic steady‐state behaviour of cross‐coupled LC‐tank oscillator is of critical importance
in ultra‐low power, low‐voltage transceiver circuits. Understanding the major factors …

A CMOS Colpitts VCO using negative-conductance boosted technology

TP Wang - IEEE Transactions on Circuits and Systems I …, 2011 - ieeexplore.ieee.org
A circuit topology suitable for a low-voltage low-power Colpitts voltage-controlled oscillator
(VCO) is presented in this paper. By employing inductors for a negative-conductance …

A deep investigation of the synchronization mechanisms in LC-CMOS frequency dividers

A Buonomo, AL Schiavo - … on Circuits and Systems I: Regular …, 2013 - ieeexplore.ieee.org
The behavior of LC-CMOS frequency dividers is investigated in depth obtaining a new and
clearer insight into the synchronization phenomenon. We show that it occurs according to …

Nonlinear dynamics of divide‐by‐two injection‐locked frequency dividers in locked operation mode

A Buonomo, A Lo Schiavo - International Journal of Circuit …, 2014 - Wiley Online Library
SUMMARY A method for analyzing the nonlinear dynamics of the injection‐locked
frequency dividers in synchronized operation mode is presented, including the stability …

Design of non-balanced cross-coupled oscillators with no matching requirements

AS Elwakil - IET circuits, devices & systems, 2010 - IET
Using two-port network transmission parameters we derive the general characteristic
equation of a cross-coupled circuit topology which involves two active devices and four or …