| Although the human eye is unable to detect infrared light, this Kind of light is emitted by many apparatus around us in everyday life....
K. Schönhoff (5)
| The development of transformers is closely connected with the history of alternating voltage. It was the Darnah physicist Hans Christian...
| The electncally isolated transfer of analogue signals is a frequent occurrence in measurement techniques, for instance, in measurements...
| A stabilized power supply unit with current limiting is described that not only provides but also accepts power. This property is indisp...
| The Iimiter is capable of converting a 70-260 V r.m.s. alternating voltage into a 180-350 V direct voltage. For that, a full-wave rectifi...