Elektor Team (9517)

1-12-2001 | If you have an application in which a MOSFET is already used to switch a load, it is relatively easy to add short-circuit or overload protec...

1-12-2001 | There are very many switching regulator ICs for reducing a dc voltage. In the ‘step-down’ operating mode, an internal switch connects the in...

1-12-2001 | Darlingtons are useful devices because they have a pleasantly high gain. A disadvantage however, is that they are much slower than normal tr...

1-12-2001 | This circuit shows one way to generate both positive and negative output voltages using a step-down switching regulator. The Micrel (www.mic...

1-12-2001 | It is well known that the p-n junction of a diode has a temperature coefficient of –2 mV/°C, and this fact is often used for temperature mea...

1-12-2001 | Nowadays, you do not actually need to build twilight switches yourself, since they can be purchased quite inexpensively. However, if you enj...

1-12-2001 | Pinball simulators are nothing new. There is probably not a single computer system in existence for which no pinball game has been made. A f...

1-12-2001 | With a suitable load, the terminal voltage of a NiCd or lithium-ion battery is proportional to the amount of stored energy. This relationshi...

1-11-2001 | This circuit can measure the capacity of individual cells as well as battery packs with an open circuit voltage of up to 35 V. The only requ...

1-11-2001 | Every electronics laboratory needs a powerful regulated bench supply. In the model described here a microcontroller monitors the actual and...