Based on a PLL 567, this circuit serves as a receiver for the CB9574E circuit. S tuning is done in R1 and it is used for frequency modulated signals.
The critical point in this project is the adjustment of the optical system, mainly to avoid...
This circuit, which may have appeared elsewhere on this site, is from the integrated...
This simple power supply circuit triggers when the light on the LDR reaches the level set on the...