Found in an Electronic Design of 1964, this circuit can control up to 20 SCRs in a trigger system powered by 24 V. The SCR supports a modern equivalent.
We found this circuit in a 1988 documentation, but all the components used are still common today....
This variable high frequency oscillator circuit was found in an old English documentation. The...
This crystal fundamental frequency oscillator can operate at frequencies up to a few tens of...