Using the LM3909 this circuit was found in the January 1992 issue of Radio Electronics magazine. Resistor R1 should be chosen according to the table given next to the diagram.
This circuit was obtained in the SGS manual of linear integrated circuits of 1982. The maximum...
Found in a Hands-On Electornics, this touch biestable can control loads that depend on the SCR....
The purpose of this circuit is to keep the speed of a small 100 mA direct current motor constant. The...