The Egan problem on the pull-in range of type 2 PLLs

NV Kuznetsov, MY Lobachev… - … on Circuits and …, 2020 - ieeexplore.ieee.org
In 1981, famous engineer William F. Egan conjectured that a higher-order type 2 PLL with
an infinite hold-in range also has an infinite pull-in range, and supported his conjecture with …

Computing two-parameter bifurcation diagrams for oscillating circuits and systems

W Marszalek, H Podhaisky, J Sadecki - IEEE Access, 2019 - ieeexplore.ieee.org
Various oscillating (periodic and chaotic) circuits and systems show interesting responses
whose nature changes with varying parameters. It often happens that a change of one …

Using bifurcations in the determination of lock-in ranges for third-order phase-locked loops

JRC Piqueira - Communications in Nonlinear Science and Numerical …, 2009 - Elsevier
Transmission and switching in digital telecommunication networks require distribution of
precise time signals among the nodes. Commercial systems usually adopt a master-slave …

Self-oscillations of a third order PLL in periodic and chaotic mode and its tracking in a slave PLL

BC Sarkar, S Chakraborty - … in Nonlinear Science and Numerical Simulation, 2014 - Elsevier
The dynamics of a third order phase locked loop (PLL) with a resonant low pass filter (LPF)
has been studied numerically in the parameter space of the system. The range of stable …

Phase-Locked Loop design applied to frequency-modulated atomic force microscope

ÁM Bueno, JM Balthazar, JRC Piqueira - Communications in Nonlinear …, 2011 - Elsevier
The atomic force microscope (AFM) introduced the surface investigation with true atomic
resolution. In the frequency modulation technique (FM-AFM) both the amplitude and the …

A new approach on design of a digital phase-locked loop

CK Ahn, P Shi, SH You - IEEE Signal Processing Letters, 2016 - ieeexplore.ieee.org
In this letter, we propose a new approach to the design of a digital phase-locked loop
(DPLL) with a finite impulse response (FIR) structure, deadbeat property, and H∞ …

All-pole phase-locked loops: calculating lock-in range by using Evan's root-locus

JRC Piqueira, LHA Monteiro - International Journal of Control, 2006 - Taylor & Francis
The dynamics of a phase-locked loop (PLL), an essential component for the electronic
synchronization processes, is described by an ordinary nonlinear differential equation with …

Modeling and measuring double-frequency jitter in one-way master–slave networks

AA Ferreira, ÁM Bueno, JRC Piqueira - Communications in Nonlinear …, 2009 - Elsevier
The double-frequency jitter is one of the main problems in clock distribution networks. In
previous works, some analytical and numerical aspects of this phenomenon were studied …

Route to chaos in a third-order phase-locked loop network

LHA Monteiro, AC Lisboa, M Eisencraft - Signal Processing, 2009 - Elsevier
Phase-locked loops (PLLs) are widely used in applications related to control systems and
telecommunication networks. Here we show that a single-chain master–slave network of …

Design constraints for third-order PLL nodes in master-slave clock distribution networks

AM Bueno, AG Rigon, AA Ferreira… - … in Nonlinear Science and …, 2010 - Elsevier
Clock signal distribution in telecommunication commercial systems usually adopts a master-
slave architecture, with a precise time basis generator as a master and phase-locked loops …