This power control from a 1968 Motorola manual shows how to use a contemporary diac as a zero-crossing detector. The SCR is of the type depending on the power of the load.
With this regulator we can have currents of up to 4 amps with 5V at the output. The transistor can be...
This circuit was obtained from a Linear Technology manual from the 1990s. The sensor is of the...
Found in a 90s Radio Electronics, this circuit can be used in high voltage experiments, ionizers,...