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.
Suggested by General Electric in a 1967 publication, this circuit makes use of an SCR of the time....
This circuit was obtained from an English magazine from 1977. The magazine no longer exists, but...
High Current Through Hole Inductors for Vishay's 5A Series IHXL-2000VZ-5A Series Power Supply are...