Abstract: The multilevel inverter has attracted more and more attention in high-power wireless power transfer (WPT) systems, but its switching loss and capacitor voltage balancing are worrying issues.

Abstract: Transceivers built to modern communication standards tend to be as digital as possible, including the radio frequency stages. This forces the transmitter’s digital-to-analog converters (DACs ...

Megan Cerullo is a New York-based reporter for CBS MoneyWatch covering small business, workplace, health care, consumer spending and personal finance topics. She regularly appears on CBS News 24/7 to ...

Delta Air Lines suspended its airport escorts and red coat services for Congress members and their staff, citing the partial shutdown of the Department of Homeland Security. The move comes a week ...

Houston and Atlanta airports are warning travelers of four-hour security lines. Delta, United, and Allegiant have waived some fees to give passengers rebooking flexibility. TSA agents have been ...

Delta Air Lines is suspending its dedicated flight assistance service for members of Congress as airport security lines grow longer amid the ongoing partial government shutdown, according to a ...

As the partial government shutdown continues to cause disruptions at the nation's airports, Delta Air Lines said on Tuesday, March 24, that it was suspending special services for members of Congress.

Delta Airlines announced it is suspending its specialty services to members of Congress as U.S. airports remain jammed with long lines at security checkpoints amid the ongoing partial government ...