Quantum entanglement pushes optical clocks to new precision

By replacing single atoms with an entangled pair of ions, physicists in Germany have demonstrated unprecedented stability in ...
Nature

Atomic Clocks And Frequency Standards

Atomic clocks and frequency standards represent the pinnacle of precision timekeeping technology. By harnessing the natural oscillatory behaviour of atoms, these devices deliver unparalleled accuracy ...
Morning Overview on MSN

Time crystals could supercharge accurate next-gen quantum clocks

Quantum timekeeping has reached a new threshold, with trapped-ion clocks now accurate to the 19th decimal place and a ...
EDN

Clock multiplier ICs synthesize any frequency

Presented as the industry’s first jitter-attenuating clock multiplier ICs, the Si53xx family can generate any output frequency from 2 kHz to 945 MHz and select frequencies to 1.4 GHz from any input ...
Tech Explorist

A big step toward ultra-precise nuclear clocks

A nuclear transition such as that in thorium-229 will be much less disturbed in the solid state, and its clock transition will be mostly preserved even in a crystal environment. The solid-state ...
Electronic Design

Spread-Spectrum Clock Chip Is Frequency-Programmable

The SG521/2/4/8/9 family of spread-spectrum clock-generator circuits is designed to reduce system-wide EMI by from 8 dB to 20 dB. To achieve EMI reduction, the output clock is frequency modulated with ...
EDN

Reducing EMI in digital systems using spread spectrum clock generators (Part 1 of 2)

Over the past couple of decades, more and more applications are going digital. Implementation of digital systems is very simple as it is entirely about logic; however, complexity increases ...
Design And Reuse

Creating a Frequency Plan for a System using a PLL

Perceptia Devices is an IP and design services provider, based in Sydney, Australia and Silicon Valley. It is focused on PLLs for RF systems and demanding clocking applications. Perceptia offers a ...