There are plenty of simple SSR circuits available, but this may be the simplest circuit that achieves turn-on and turn-off only when the AC line voltage is near zero. Transistor Q2 acts as a clamp to ...

Digital design with combinatorial gates like ... While this is simple, it also prevents you from building things like state machines, counters, and even CPUs. Circuits that use their own outputs ...

The circuit shown is pretty simple, with three inputs going into a combination of AND and NOT gates before going into an OR gate. The static hazard manifests as a glitch in the output when the ...

The resulting output (Figure 2) doubles an input frequency from 15MHz to 30MHz. A few simple selections configure this circuit for an application. The logic gate must operate from the desired supply ...