This 1969 Mullar circuit appears elsewhere on this site. The circuit uses germanium diodes and the indicator is microammeter with zero in the center of the scale.
The presented circuit produces a sawtooth signal from a digital signal. This configuration was...
We found this circuit in a 1982 documentation. Electronic games allow for different types of...
This circuit has visual and audible status indication using an oscillator. The circuit is from a...