A power converter’s efficiency (AC-DC, DC-DC, or Buck) is determined by comparing its input power to its output power. More precisely, the efficiency of the converter is calculated by dividing the ...

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 ...

Dr. Nafeesah Allen is a multilingual communications strategist and global real estate investor with nearly 15 years of experience. She began writing about home improvement and design over four years ...