This circuit appears elsewhere in this section and on this site. The circuit generates a linear ramp having been found in 1980s documentation. The transistor is a general purpose type.
We found this circuit in an English magazine from 1980. The circuit can be easily assembled even...
We found this circuit in a 1968 Electronics World. The transistors are from the era and...
This circuit was found in the PC documentation from 1996. The maximum current of the motor is...