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 ...
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!

Combating fractional spurs in phase locked loops to improve wireless system performance in Beyond 5G

Two innovative design techniques lead to substantial improvements in performance in fractional-N phase locked loops (PLLs), report scientists from Tokyo Tech. The proposed methods are aimed to ...
Elektor Magazine

The Interlaced NCO: A New Twist on the Digital PLL

The real "showstopper" in a standard digital PLL is the interaction between the loops. In a typical design, the Phase Detector and the Frequency Detector run simultaneously.
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 ...