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

Use PSpice models to estimate amplifier noise

While it may be relatively easy to estimate amplifier output noise in cases involving simple amplification or where noise is dominated by flat-band noise, it is fairly complex to do so when the ...
EurekAlert!

Development of a BIM and VR-based noise and vibration impact simulator for deep excavation blasting

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 ...
The Guardian

Heathrow sound simulator aims for a quiet take-off in central London

Arup SoundLab aims to win over opponents of third runway by simulating future noise levels. Gwyn Topham tests the noise Heathrow airport has a new hi-tech weapon in its battle to win over public ...
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 ...