To combine flexibility with crystal-like stability, you can use a Phase Locked Loop (PLL). Many modern systems use direct digital synthesis, but the PLL is a venerable and time-tested technique.

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The Agilent 86100CU-400 PLL and jitter spectrum measurement software is a free application that makes fast, accurate, and repeatable PLL measurements using a precision jitter source and receiver. This ...

The clever part of a PLL can be found in how it looks at the phase of two signals. For signals to be totally in phase, they must be at the same frequency and also must ebb and peak at the same point.

This was for one of those NE-series chips that included the NE555 timer. NE56x chips seem to have all been phase-locked loops of some sort and I think it might have been an NE565. As I remember it, it ...

The lock time of a PLL is defined as the time that elapses from initial or reset condition till the phase locked generation of the output frequency. It is mainly influenced by the phase comparator and ...

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.

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 ...

Scientists have developed an advanced phase-locked loop (PLL) frequency synthesizer that can drastically cut power consumption. This digital PLL could be an attractive building block for Bluetooth ...

The new CY27410 4-PLL (phase-locked loop) clock generator can generate up to 12 programmable output frequencies on a single chip with best-in-class jitter performance.

The lock time of a PLL is defined as the time that elapses from initial or reset condition till the phase locked generation of the output frequency. It is mainly influenced by the phase comparator and ...