A great example is this simple wireless AC current detector from ... The circuit is a simple one, and a classic. The spring from a ballpoint pen is soldered to the base of a BC547 transistor, ...

That circuit can be implemented with only a few low-cost components. It gives practical design hints and tips on designing a PD DC-DC converter stage. It also presents a galvanically isolated, Flyback ...

But it's not all bad news. If you want to use your AC while keeping your energy costs in check, you can. A bit of insulation ...

Inductors are everywhere, from power supplies and filters to transformers and even your smartphone. But what exactly is an ...

So, now that we have RMS values to better describe current and voltage in AC circuits, let's think about how we can use the unique nature of AC circuits to our advantage. For example, with coils ...

Sizing the circuit conductor. To correctly determine the minimum conductor size for a given ampacity, you first must determine the voltage drop for that circuit. You can do this by one of several ...

Figure1 This step-down converter drops AC mains voltage across C ac toproduce a lower DC voltage. V UZ is optional and is related to safety issues – choose higher wattage ifnecessary. V U is the ...

Alternating current (ac) or direct current (dc) circuits are capable of carrying very different currents, as illustrated by the ratings on the switch in Figure 1.This is why it’s so important ...

In an initial test, this circuit was able to efficiently convert AC currents into DC signals at liquid helium temperatures (e.g., those attained using closed-cycle refrigeration techniques).

Capacitor C7 ac-couples the soft-start pin to the latch circuit. During the startup sequence, the soft-start capacitor slowly charges and the latch remains off.