All items tagged with portable and circuit (3)

1-01-1999 | The voltage step-up converter described in this article is a transformerless design based on just one integrated circuit and a handful of...

1-07-1996 | The advantage of a touch witch over a traditional, mechanical, witch is that its operation is not degraded by wear and tear.

1-12-1990 | Applications for this mechanically set and reset bistable are found, among others, in anti-theft devices and model railway crossings.