| Most drill speed controllers suffer from one or more drawbacks. These include poor speed stability, excessive instability at...
| Most drill speed controllers suffer from one or more drawbacks. These include poor speed stability, excessive instability at...
| Most drill speed controllers suffer from one or more drawbacks. These include poor speed stability, excessive instability at...
| Using the 3½-digit-A/D-converter LD l l 0/ 111 and a minimum of external components, it is possible to construct a universal d...
| In this issue, we have attempted to use `standard` components wherever possible. This may not always be obvious at first...
| "Wherever possible in Elektor circuits, transistors and diodes are simply marked `TUP` TDD TDD (Transistor, Universal PNP), `TUN` (Transisto...
| More than l 00 circuits in one issue. Complete units, extension circuits, design ideas, tips. The recipe is quite simple: I • Dream up...
| Using only a few components and an inte- grated switching circuit it is possible to construct a high-performance voltage- f...
| Using only a few components and an inte- grated switching circuit it is possible to construct a high-performance voltage- f...
| This circuit produces a good imitation of machine-gun fire, an effect which should be sufficient to deter the most persiste...
| This circuit produces a good imitation of machine-gun fire, an effect which should be sufficient to deter the most persiste...