This circuit was found in a 1969 US documentation. It provides a signal that can be externally programmed as suggested circuits. The circuit can be used as a shield.
The circuit is of the Motorola Linear Databook of 1990. The power source must be symmetrical and the...
This 6 V battery charger was found on a 1987 Hands On Electronics. Rc determines the charging...
This circuit is recommended by Texas Instruments in the datasheet of the TL317, equivalent to...