In the first part of this Design Idea (DI), we saw how to use the TDA7052A (or similar) power amp to build a minimalist siren-type power oscillator, and also, having looked at that device’s distortion ...

There are numerous evergreen chips in the semiconductor industry, and this blog provides a sneak peek at some of these timeless technology marvels. Take µPC1237, for instance, NEC’s bipolar analog IC, ...

Quad has unveiled its latest integrated power amplifier, the Quad 3. Following the launch of the two-box 33/303 amplifier pair, which revived classic models from the 1960s with a fresh outlook, the ...

The district started by providing over-the-air TV for an underserved community, but has evolved into something more complex, ...

To check, remove the power from the amplifier and see whether the problem goes away. There are three types of amplifier – masthead, set-back and distribution. All these need a power supply to work.

And in her new album, "Princess Of Power," she doesn't shy away from some painful moments in her past. MARINA DIAMANDIS: Growing up, I kind of got this message that to be, like, open-hearted or ...

Every day, we make countless choices—but are these decisions guided by desire or design? This hour, TED speakers on what shapes the food we eat, how we power our homes, and how we communicate.

“Ham radio functions completely independently of the internet and phone systems and a station can be set up almost anywhere in minutes. Hams can quickly raise a wire antenna in a tree or on a mast, ...

Don't miss the big stories. Like us on Facebook. SHAFTSBURY -- Ham radio operators from the Southern Vermont Amateur Radio Club (SOVARC) and the Greater Bennington County Area will be participating in ...

Jarch, who’s done a bit of radio sales in the the past, added: “Super exciting to go from the sales floor to behind the glass, it’s a bit of a 360 moment for me. Couldn’t be happier to have Lu by my ...

This week I spoke to pioneering entrepreneur and technologist Daniel Anstandig the CEO of Futuri Media. Futuri develops AI-driven technology solutions for the media and public safety sectors, serving ...

The public is invited to stop by, learn, listen in, even get on the air. “We run it like a simulated emergency practice test,” said Robert Palm, local organizer and ham radio operator. “We siimulate ...