We found this circuit in an American publication from the 1990s. The circuit has a Darlington stage to drive a high-power LASER diode.
This circuit detects traffic problems on a miniature railway by triggering an alarm. The circuit was...
When establishing the voltage at the input of this regulator, the output voltage rises smoothly until...
This circuit was found in a Motorola documentation from 1975. Modern equivalent transistors such...