EDN

Signal Chain Basics #96: Active Loop Filter Designs

At the heart of a clocking device is the phased-locked loop (PLL). A key part of the PLL is the loop filter, which converts correction currents from the PLL charge pump into a control voltage for the ...
EDN

Understanding in-loop filtering in the HEVC video standard

High Efficiency Video Coding (HEVC) is a video compression standard, a successor to H.264/MPEG-4 AVC (Advanced Video Coding), jointly developed by the ISO/IEC Moving Picture Experts Group (MPEG) and ...
Electronic Design

Use PWM To Maintain Motor Speed And Phase While Eliminating Loop Filter

In designing a simple spectroscopy setup, we needed to synchronize the speed of a small, inexpensive dc motor precisely to 6000 rpm (100 Hz). Our first idea was to take a phase-frequency detector type ...
The Scientist

Sartorius Stedim Biotech launches two Single-use Sartocon® Loop Assemblies

Sartorius Stedim Biotech (SSB), a leading international supplier for the biopharmaceutical industry, today announced its polyethersulfone membrane (PESU) is now integrated into two new, sterile ...
technologynetworks

Sartorius Launches Two Single-Use Sartocon® Loop Assemblies with Integrated PESU Membrane

Sartorius Stedim Biotech has announced its polyethersulfone membrane (PESU) is now integrated into two new, sterile Sartocon® benchtop and production scale filtration assemblies. Using these ...