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 ...

Using BIM and VR, the deep excavation construction noise and vibration simulator is divided into control devices, material plate, impact simulator and VR equipment. Korea Institute of Civil ...

A student once asked his lab instructor why his amplifier was oscillating. After looking at it and noting the wild construction, the instructor remarked, “A better question would be why shouldn’t it ...

Phase lock loops (PLLs) play a key role in today's thriving RF industry. Commonly employed to address various timing requirements in ASIC designs, these basic building blocks allow designers to ...

Fractional-N PLLs are a useful class of PLLs and not well understood. This paper explains in simple terms how these differ from a regular integer PLL. Common applications are listed along with a brief ...

Users of the SILVARSTAR software can create a virtual recreation of a railway track in a variety of scenarios. Credit: Empa. Swiss research institution Empa has revealed a new simulation tool that can ...

IT’S getting noisy beneath the waves. Studies off the California coast have shown that low-frequency noise has doubled every decade since 1960. This human-made noise could be having a devastating ...

Which kind of noise is likely to give your next project a headache, and what you can do about it. In the past, noise was considered an annoyance, especially for analog circuitry. But today chips are ...