This regulator can be controlled by a logic signal. The circuit is from an Electronics Now from the 90s. Note that the switching transistor is before the integrated circuit.
E) This soft start dimmer was found in a Motorola documentation from 1968. However, it can be...
This circuit source a voltage proportional to the number of the input pulses. The circuit has a...
This circuit was obtained from an 80s factory manual. The integrated circuits used are uncommon...