This circuit provides a 5 V negative output with a maximum current of 1 A. The circuit is from the 1993 Linear Technology Applications and uses common components at the time.
This circuit was found in a 90s EDN. It activates a protection relay in case of reversing the...
With the presented circuit it is possible to detect signals from transmitters in a frequency range...
This circuit was found in an old documentation for radio amateurs, being indicated for...