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.
A small voltage-boosting transformer is used in this pulse generator circuit found in...
This circuit was found in a 1964 magazine, which no longer exists. It is a small wireless...
This circuit was found in a 1980 documentation. The triac used is of the TIC226D type which in the...