This circuit was found in a 1964 Electronic Design. The circuit delays the firing of a load for a time given by RC. The SCR must be in accordance with the controlled load.
This circuit was found in a 1971s English magazine. We can still assemble it using BC548...
This circuit, which appears in other applications on this site, was taken from a 2000...
This circuit produces a sinusoidal signal whose frequency can be calculated using the formula next...