Doubling up: Georgia Tech researchers Kyu-Tae Lee (left) and Mohammad Taghinejad demonstrate frequency doubling on a slab of titanium dioxide using a red laser to create nonlinear effects with tiny ...

Whenever I find myself harboring a constantly nagging thought, I know I will eventually have to get busy and find a way to put it to rest. When I read EDN’s Design Ideas, I look for the range of ...

MILPITAS, Calif.--(BUSINESS WIRE)--Teledyne e2v HiRel, part of the Teledyne Defense Electronics Group, today announced the latest addition to its rapidly expanding line of RF solutions, a new RF MMIC ...

German research center Physikalisch-Technische Bundesanstalt (PTB), Based in Braunschweig, is well known for providing accurate time, such as for radio-controlled clocks. For this purpose, it runs ...

On two days in the course of every year, one in March heralding the start of spring and another in September marking the first of fall, the Earth’s axis of rotation aligns perpendicular to the rays of ...

[IMSAI Guy] grabbed an obsolete XOR gate and tried a classic circuit to turn it into a frequency doubler. Of course, being an old part, it won’t work at very high frequencies, but the circuit is super ...