The figure shows how to use an 8080 in a digital to analog converter. The circuit is from a Radio Electronics from February 1978. The other components are from that time, except for the TTL.
This circuit was originally designed to power the CB18698's MSX interface, but it is suitable for...
This filter that rejects determines frequency (notch) was found in a Popular Electronics of 1993....
This circuit for measuring bridges was found in the October 1995 issue of Electronics Now...