In this circuit, which uses only diodes, we have both simultaneous functions. The diodes are general-purpose types and the resistors have typical values of 2k2.
Found in the October 1979 Radio Electronics magazine, the purpose of this circuit is to monitor the...
This circuit has a very fast switching action from an input signal. It can be applied to almost any...
This circuit for 12 V x 2.2 W lamps was found in a documentation from the 70's. The circuit uses...