| This compact 13-V/2-A power supply for ham radio rigs and other VHF/UHF portable PMRs is based on the STR2012/13 voltage regulator IC from...
More about Power Supplies (304)
| A variable power supply is described that in spite of its simple design has two clear benefits. In the first place, it is built from d...
| This extra-small (XS) symmetrical supply is useful in those cases where a symmetrical power supply is required with an output capacity o...
| Nowadays, the speech quality on our telephone systems is generally very good, irrespective of distance. However, there are occasions, fo...
| The circuit described in this article is primarily intended for installing into a PC, to act as a versatile supply for all kinds of experi...
| National Semiconductor has been producing and designing ICs for use in switch-mode power supplies for many years. The application of the...
| A National Semiconductor Application switching power supply whose output voltage is appreciably lower than its input voltage has an int...
| In this article we answered the letters of our readers.
| The variable power supply described in this article is the latest in a long line of power units published in this magazine over the past...
| Although the electricity supply will rarely fail in most of the UK, unexpected power cuts lasting several hours are not uncommon in ma...