We found this circuit in a 1987 documentation. It is a multi-tester with neon lamp and LEDs operating with both low continuous voltage and high alternating voltage.
January 2017 - Mouser Electronics already has the new Ultra Low Drop controllers from Toshiba...
September 2016 - It can be obtained by Mouser Electronics the new dual analog switches TS5A22364 /...
The circuit in the figure trips with a negative transition of the input signal, its output...