LED technology is opening thedoor to a variety of high-power-illumination applications. The circuit in Figure 1 can let you know when ac power is available. To drive a power LED from the ac line ...

Next time your at a LED traffic light, realize that they are so many leds there isn't a need for a resistor so they only have rectifiers and you can see the LEDs flashing at 60Hz so yes they have ...

The AC comparators, Figures 1 and Figure 2, allow you to visually monitor the levels of AC input signals. Previously, for express assessment of the levels of controlled signals, a method of ...

Prince George is a big fan of rock bands like Led Zeppelin. REUTERS AC/DC members rehearse for a gig circa 1977 in Hollywood. Getty Images ... “I’m grateful I get to go,” Perry said at the time.

Fai rchild introduced the new FL77944, the first solution in its LED Direct AC Drive family of solid-state LED lighting solutions that manufacturers can use to easily scale power and create smart ...