Found in a 1964 Electronic Design, this circuit protects the transistors of a complementary output stage. The diodes limit the current in the complementary pair.
This heartbeat sensor circuit was found in the July 1992 issue of Radio Electronics magazine. The...
We found this circuit in the 1982 SGS integrated circuit manual. The integrated circuit is not...
This TTL pulse stretcher or stretcher was found in a 90's EDN. The time constant R x C1 determines...