This diagram from a 1967 documentation shows how to switch high voltage neon lamps with 5V TTL outputs. The circuit can be adapted to function as a shield.
August 2017 - Mouser Electronics is making STMicroelectronics' Analog and Digital MEMs available in a...
We found this circuit in a 1979 French publication, but it can still be assembled today with...
Found in Texas Instruments documentation from the 1980s, this circuit applies to digital signal...