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 3)

Some brief theory and typical measurements of phase noise. How to produce the lowest phase noise at a PLL output. A standard design procedure for a typical Type 2, second-order loop. As stated in ...
Design-Reuse

Understanding the basics of PLL frequency synthesis

Configuring a phase locked loop (PLL) for a given frequency synthesis application can simultaneously be both a quick-and easy-process as well as a time-consuming, tedious, and iterative process. This ...
Electronic Design

How to Design Very Wide Loop BW High-Performance PLL Frequency Synthesizers (Part 1)

This is Part 1 of a three-part series. As modern wireless communications systems (mainly superheterodyne radio transceivers) are now required to deliver higher performance than ever before, they’re ...
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.