This circuit converts BCD inputs to analog voltages. The operational amplifier must be powered according to the desired output voltage range. The circuit is from documentation from the 90s.
) Other operational amplifiers series, such as the MC34072, MC34074, MC35071, MC35072, MC35074 or...
The transformer in this power supply can have a secondary winding from 1 to 15 A of current....
Found in American documentation from 1969, this circuit switches signals with a FET of the time....