This circuit was obtained from an Analog Devices documentation from the 90's. The circuit is for a voltage of 1.23 V and is used in a voltage source greater than 3 V.
With the coded activation of the relays, it is possible to control which of the 16 outputs...
The integrated circuit used in this application is not very common. Transistors and resistors...
This simple circuit makes use of neon lamps to indicate the voltage of a power grid. The lamps are...