This interesting circuit converts BCD signals into a voltage that can be used in an analog application. The circuit was found in the July 1991 issue of Radio Electronics magazine.
The circuit shown in the figure is suggested by Maxim (www.maxim-ic.com) and makes use of the...
We found this circuit in a Radio Electronics magazine from January 1975. The transistors are...
Found in documentation from the 1980s, this circuit can have several adaptations to use modern...