This article explores the primary design challenges facing designers of mm-wave radar circuits and discusses solutions that ...

Aluminum base shell with ceramic insulator, 4 short pins, top contact, T-shaped envelope. Stamped on envelope: "371B". Donor’s card reads: “Half-wave rectifier made by National Union for the US ...

Plastic 4-pin base, top contact, S-shaped envelope. Donor’s card reads: “Half-wave mercury vapor rectifier made by Westinghouse for the US government during World War II. This tube is the Westinghouse ...

Meghan Markle, Duchess of Sussex, salutes during the Global Citizen Festival, on Sept. 25, 2021, in New York. (AP Photo/Stefan Jeremiah, File) (CN) — An 11th Circuit panel appeared ready on Tuesday to ...

(Reuters) - Fevertree Drinks' second half got off to a good start after strong sales in the United States in the first six months of 2025, the company said on Thursday, sending its shares up 10%.

There you are at the surplus store, staring into the bin of faded orange, yellow, red, and black, boxes–a treasure trove of vintage vacuum tubes—dreaming about building a tube amp for your guitar or a ...

MEMPHIS, Tenn. - It's a cool start to the day with passing clouds. Temperatures this Friday afternoon are expected to rise into the upper 80s with low humidity across the Mid-South. Winds: 10 mph.

The Black Death was one of the most infamous pandemic events in history. It spread across Asia and Europe, decimating a third of the continent’s population during the Middle Ages. The cause was plague ...

Creating standards, guidelines, processes, and workflows for content marketing is not the sexiest job. But setting standards is the only way to know if you can improve anything (with AI or anything ...

Abstract: This letter proposes a simplified switch short-circuit fault-tolerant scheme for three-phase six-switch current-source rectifier (3P6S-CSR). By only adding two diodes in parallel for each ...

Abstract: In the proposed work, a dual-band rectifier circuit design is proposed for power transmission to wireless IoT devices at 2.4 and 4.33 GHz. The aim of this proposed work is to convert ...