This circuit is from the Motorola LinearDatabook of 1990. It shows how it uses the LF355, 356 and 357 operational capacitive loads. The power supply must be dual.
This two-tone buzzer can be powered by a solar panel. The circuit is from a 1991 documentation. The...
This circuit is nothing more than a voltage quadruplicator that can generate close to 1 000 V from...
This simple 12 V power supply with current up to 2 A was found in a Popular Electronics from the...