Nature

Variable gradient-based phase locked loop for accurate frequency estimation of distorted grids

A variable gradient-based phase locked loop (VG-PLL) is developed for distorted grids. Firstly, the large-signal model of the synchronous reference frame phase locked loop (SRF-PLL) with harmonic ...
AZOM

Principles of Phase-Locked Loops (PLL)

Learn about the working principles of Phase-Locked Loops (PLL) and why they are widely used for applications where frequency tracking, resonance driving, and oscillator control are required.
Electronic Design

Phase-Noise Modeling, Simulation, and Propagation in Phase-Locked Loops (Part 2)

Some brief theory and typical measurements of phase noise. Standard analysis of PLL phase noise used by most CAD applications. How to produce the lowest phase noise at a PLL output. A standard design ...
Nature

Dynamical response and noise limit of a parametrically pumped microcantilever sensor in a Phase-Locked Loop

The quality factor of MEMS resonant sensors is a key parameter to determine the performance of many sensing applications. Techniques such as Q-control 1, direct feedback or parametric pumping 2 have ...
EDN

Good behavioral model simulation: key to predicting first-order PLL synthesizer performance (Part 1 of 2)

In this article, the phase noise of a closed-loop, phase-locked loop (PLL) synthesizer is simulated using Agilent RF Design Environment (RFDE) and Advanced Design System (ADS) tools. The critical ...
Design-Reuse

TSMC PLL _ Clock Generator / Clock Synthesizer / Phase-Locked Loop, (Fractional / Integer)

The ARKCHIPS PLL is a versatile and stable general-purpose frequency synthesizer with phase synchronization (de-skew) Phase-Locked Loop (PLL) : feed ...
Electronic Design

How to Design Very Wide Loop BW High-Performance PLL Frequency Synthesizers (Part 2)

This is Part 2 of a three-part series. As discussed in Part 1 and recapped here, modern wireless communications systems (mainly superheterodyne radio transceivers) are now required to deliver higher ...
EDN

Low Power Phase-Locked Loop with VCO

The 74HC/HCT4046A are phase-locked loop (PLL) with linear voltage-controlled oscillator (VCO) CMOS device having pins suited to 4046 in a 4000B series. These devices comply to JEDEC standard no. 7A.
EurekAlert!

Figure 2. Die micrograph of the proposed digital phase locked loop (PLL) (IMAGE)

The total power consumption of the proposed PLL is only 8.89 mW from a 1 V supply, which leads to a figure of merit of reference of -247.4 dB. Credit must be given to the creator. Only noncommercial ...
Design-Reuse

100MHz-13.5GHz, Gen Phase-Locked Loop (PLL) IP block

Alphacore offers proven 100MHz to 13.5GHz Phase-Locked Loop (PLL) intellectually property (IP) design blocks with the industry's best core offerings w ...