Noise is an annoying but unavoidable part of any engineering project. Fixing noise issues is hard enough, but even just measuring how much noise an amplifier adds to your signal is tricky without ...

The First Electron Tube In 1904 John Ambrose Fleming wrote Guglielmo Marconi: "I have been receiving signals on an aerial with nothing but a mirror galvanometer and my device." The device was the ...

Powerful picosecond generators are in demand in various fields of experimental electrophysics to produce ultrashort electron beams and X-ray pulses in vacuum diodes and to form runaway electron flows ...

FUKUOKA, Japan, Dec. 28 (UPI) --The brightness of organic light-emitting diodes, or OLEDs, declines over time. Why exactly the lights degrade hasn't been entirely clear to scientists -- until now.

Jin-Woo Han is senior scientist at NASA’s Ames Research Center in California’s Silicon Valley. Along with colleagues Meyya Meyyappan, Myeong-Lok Seol and Jungsik Kim, he has designed a nanoscale ...

Semiconductor Electronics Class 12 MCQ Questions: Before the transistor's discovery in 1948, vacuum tubes were the primary tools for managing electron flow in electronic circuits. These tubes, ...