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Related papers: Charge pump phase-locked loop with phase-frequency…

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Phase Frequency Detectors (PFDs) are essential components in Phase-Locked Loop (PLL) and Delay-Locked Loop (DLL) systems, responsible for comparing phase and frequency differences and generating up/down signals to regulate charge pumps…

Emerging Technologies · Computer Science 2025-08-26 Dhandeep Challagundla , Venkata Krishna Vamsi Sundarapu , Ignatius Bezzam , Riadul Islam

In most digital-to-time converter (DTC) based applications, apart from maintaining low integral non-linearity (INL), it is also required of the system to achieve a wide frequency translation range. To achieve this performance, we present a…

Instrumentation and Detectors · Physics 2018-06-11 Pallavi Paliwal , Vivek Yadav , Shalabh Gupta

A clock synchronizing circuit for repeaterless low swing interconnects is presented in this paper. The circuit uses a delay locked loop (DLL) to generate multiple phases of the clock, of which the one closest to the center of the eye is…

Hardware Architecture · Computer Science 2015-10-15 Naveen Kadayinti , Maryam Shojaei Baghini , Dinesh K. Sharma

This paper presents a low power, low jitter LC phase locked loop (PLL) which has been designed and fabricated in a commercial 0.25-um Silicon-on-Sapphire CMOS technology. Random jitter and deterministic jitter of the PLL are 1.3 ps and 7.5…

Instrumentation and Detectors · Physics 2022-02-14 Tiankuan Liu

Differing from synchronous generators, there are lack of physical laws governing the synchronization dynamics of voltage-source converters (VSCs). The widely used phase-locked loop (PLL) plays a critical role in maintaining the synchronism…

Systems and Control · Computer Science 2019-09-04 Heng Wu , Xiongfei Wang

Phase-locked loops (PLL), Costas loops and other synchronizing circuits are featured by the presence of a nonlinear phase detector, described by a periodic nonlinearity. In general, nonlinearities can cause complex behavior of the system…

Systems and Control · Computer Science 2015-08-21 Vera Smirnova , Anton Proskurnikov , Natalia V. Utina

Clock synchronization is a widely discussed topic in the engineering literature. Ensuring that individual clocks are closely aligned is important in network systems, since the correct timing of various events in a network is usually…

Systems and Control · Computer Science 2017-04-25 Timothy Anglea , Yongqiang Wang

In current generation digital phase locked loop (DPLL) architectures, techniques like adaptive loop bandwidth with loop order switching and switched phase-detection are employed to achieve better lock time and jitter performance. This work…

Systems and Control · Computer Science 2018-06-05 Pallavi Paliwal , Debasattam Pal , Shalabh Gupta

Integrated circuit implementations of coupled oscillator networks have recently gained increased attention. The focus is usually on using these networks for analogue computing, for example for solving computational optimization tasks. For…

Emerging Technologies · Computer Science 2025-05-16 S. Y. Neyaz , A. Ashok , M. Schiek , C. Grewing , A. Zambanini , S. van Waasen

The Costas loop is a modification of the phase-locked loop circuit, which demodulates data and recovers carrier from the input signal. The Costas loop is essentially a nonlinear control system and its nonlinear analysis is a challenging…

Dynamical Systems · Mathematics 2017-05-09 N. V. Kuznetsov , O. A. Kuznetsova , G. A. Leonov , M. V. Yuldashev , R. V. Yuldashev

Clock generation is an essential part of wireless or wireline communication modules. To facilitate recent advancements in wireline-like communication and in-sensor computing modules at relatively lower data rates, ultra-low power, and…

Signal Processing · Electrical Eng. & Systems 2024-10-23 Yudhajit Ray , Archisman Ghosh , Shreyas Sen

We report a new method of two-pathway coherent control using three narrow-band cw laser sources, phase locked in an optical phase-lock loop, to maintain the high degree of optical coherence required for the coherent control process. In…

Atomic Physics · Physics 2026-01-16 Jonah A. Quirk , Carol E. Tanner , D. S. Elliott

We proposed an altered configuration for dual-frequency (DF) capacitively coupled plasmas (CCP). In this configuration, two pairs of electrodes are arranged oppositely, and the discharging is perpendicularly driven by two rf sources. With…

Plasma Physics · Physics 2017-01-24 Hongyu Wang , Wei Jiang , Zhenhua Bi , Younian Wang

Nonlinear analysis of the phase-locked loop (PLL) based circuits is a challenging task, thus in modern engineering literature simplified mathematical models and simulation are widely used for their study. In this work the limitations of…

Other Computer Science · Computer Science 2016-11-15 G. Bianchi , N. V. Kuznetsov , G. A. Leonov , M. V. Yuldashev , R. V. Yuldashev

A grid tied inverter converts DC voltage into AC voltage, while synchronizing it with the supply line phase and frequency. This paper presents an efficient, robust, and easy-to-implement grid tie mechanism. First, the grid tie mechanism was…

Systems and Control · Electrical Eng. & Systems 2019-09-16 Uzair Nadeem , Muhammad Shahzaib Atif , Rizwan Ahmed , Hassan Touqeer , Hamood Ur Rahman Khawaja

This letter proposes a new design of frequency-locked loop (FLL) which is based on synchronous (dq) reference frame instead of stationary ({\alpha}\b{eta}) reference frame. First, a synchronous reference frame FLL (briefly called SRF-FLL0)…

Systems and Control · Electrical Eng. & Systems 2019-09-27 Xiangjun Quan , Qinran Hu , Alex Q. Huang , Xiaobo Dou , Zaijun Wu

This paper introduces a conversion matrix method for linear periodically time-variant (LPTV) digital phase-locked loop (DPLL) phase noise modeling that offers precise and computationally efficient results to enable rapid design iteration…

Signal Processing · Electrical Eng. & Systems 2024-07-01 Hongyu Lu , Patrick P. Mercier

A tutorial on opto-electronic clock regeneration at very high bit rates beyond reach with purely electronic solutions is given. Emphasis is placed on sum frequency generation in a nonlinear material such as LiNbO3. We first provide a basic…

Optics · Physics 2025-10-27 Palle Jeppesen , Bjarne Tromborg

This letter presents a dual quadrature phasemeter, an implementation of a phase-locked loop designed to track the phase of homodyne and heterodyne inter-satellite laser links. The dual quadrature phasemeters use dual quadrature optical…

Optics · Physics 2024-10-30 Callum S. Sambridge , Kirk McKenzie

Phase-locked solutions of coupled oscillators are studied with asymmetric coupling strengths or inhomogeneous natural frequencies. The solutions show remarkable profiles of phase lags from the pacemaker corresponding to the ratio of upward…

Pattern Formation and Solitons · Physics 2009-11-07 H. Yamada