This circuit was obtained in the 1990 Motorola Linear Databook. The circuit uses a 139 series comparator, but other series can be used. The power source need not be symmetric.
This loop antenna was found in a 1990s documentation. The circuit includes a field strength meter. The...
The circuit shown bellow is na áudio amplifier using Darlington transistor in a complementary...
In the original 2000, this circuit was designed to interface the parallel port with external...