Found in an EEE from 1970, this circuit supplies a voltage of 12 V DC x 10 mA current from the power grid. The NOR or NAND port used is TTL.
The AT21CS11 memory device offers an extended voltage range to accommodate lithium-ion battery...
This loop antenna was found in a 1990s documentation. The circuit includes a field strength meter. The...
Found in Electronics Now from the 90s, this circuit can use any general-purpose transistor. The power...