This circuit was found in a 1966 General Electric documentation. The circuit makes use of PUTs that are uncommon components today. Counting direction depends on the programming in A and B.
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can...
This circuit was originally developed in 1989 to allow the triggering of loads from audio signals...
This Linear Technology circuit can measure currents from 100 pA to 100 uA. The circuit is from the...