| This circuit shows that dimmers intended for use at mains voltage do not always have to contain a triac. Here, a MOSFET (BUZ41A, 500 V/4.5A)...
More about MOSFET (119)
| As already mentioned in the previous parts of this article, this final amp needs more than just a heavy-duty symmetrical power supply. In th...
| If you ever thought of experimenting with pulse-width modulation, this circuit should get you started nicely. We’ve kept simplicity in mind...
| The precision current sink shown in Figure 1, which uses a Si4936 DY dual MOSFET (IC1) as a controlled load resistance, is very energy-effic...
| When a sensitive circuit must under no circumstances have too high a supply voltage applied, then some means of disconnecting the supply mus...
| This short article will deal with testing power MOSFETs using an ordinary digital multimeter. Anybody who have ever tried this must have mar...
| 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...
| In designing a product that is powered from the mains, there are various factors that ultimately determine the choice of power supply. Incre...
| Particularly with low voltages, triacs are usually used as control elements for ac voltages. The disadvantage, as so often is the case, is i...
| One of the most frequent uses of n-channel MOSFET’s is as a voltage controlled switch. To ensure that the MOSFET delivers the full supply vo...