This two-digit circuit was found in the 1999 Radio Experimenter Handbook. It uses the CA3161 and CA3162 A/D converter pair common at the time.
This circuit draws one of the three possible guesses of a sports lottery logo: column 1, 2 or the...
We found this circuit in recent English documentation. The frequency is adjusted by the core of...
This circuit allows modulating a laser diode with low frequency signals. The integrated circuit...