Found in the February 1997 Electronics Now magazine, this circuit controls motors according to the transistor used. For the transistor indicated, the maximum current is 200 mA.
This excellent wireless microphone circuit for the varicap-modulated FM band came out in...
The simple low voltage source that can be used as a battery eliminator, shown in the figure was...
This asymmetrical crossover filter was obtained from an 80s integrated circuit manual. The...