| The switch circuit, intended for low-voltage halogen lights, extends the life of the lamps, because it ensures that the filament current...
Harald Moser (4)
| Many young children will insist on keeping the bedside light on for a couple of minutes after the storybook has been closed and father or...
| The regulated power supply and four identical current sources shown in the diagram enable the simultaneous charging of four 9-volt NiCd b...
| The unit discussed here indicates, by means of achain of LEDs, in logarithmic ratios the strength of an electric field surrounding the un...