A directional coupler is used to sample a small amount of input signal power for measurement purposes. Port 1 is the input port; port 2 is the output port; port 3 is the coupled port; port 4 is the ...

Locate USB Controllers: In the Device Manager, scroll down and expand the "Universal Serial Bus controllers" category. Access USB Port Properties: Right-click on an entry named "USB Root Hub," ...

Don’t get zapped when buying a new high-voltage DC power supply. Understand the specifications first. Lasers, linear accelera-tors, X-ray machines, defibrillators, radar, and numerous other ...

Even if you don’t have a Rohde Schwarz oscilloscope, you can still enjoy their recent video about using an oscilloscope to measure power supply efficiency. Of course, you don’t have to have a scope to ...

Part 1 of this series discussed what characteristics make up a good load slammer. This article discusses how to use load slammers effectively to design, evaluate, debug, and validate your on-board ...

Santa Clara, Calif.—Measuring the performance of battery-powered units used to be easy: measure the current via a resistive or inductive shunt pick-off while monitoring the terminal voltage, end of ...