This circuit is a four-quadrant multiplier using an LM3900. The circuit was found in the July 1988 Radio Electronics magazine.
Found in an American publication from 1969, this circuit can be adapted to be used as a shield....
This circuit aims to replace a 90 V battery used in old tube radios. The circuit uses a...
Mouser Electronics is making available the new regulator type Buck FAN536600 from Fairchild for...