Abstract: The RF power amplifier (PA) is a unit in wireless transmitters that strengthens the signal to combat losses in transmission by converting dc electric power to the added RF output power. Over ...

A collision between a truck and a train occurred at a secure level crossing in Meteren, the Netherlands, on Thursday, October 30. Five people sustained minor injuries in the incident. Credit: (ProRail ...

Dhanakorn Kasetrsuwan, chairman of the TNSC, said it is essential such cooperation be pursued on a balanced, transparent and sustainable basis, protecting Thailand’s trade interests, industrial ...