Employing a unijunction and a triac of the era, this 1964 Electronic Design circuit uses a diac to trigger the Triac.
This circuit using only transistors was obtained from Ferranti's 1969 documentation. It can be...
Found in a manual of integrated circuits from the 90s, this circuit makes use of that time...
We have in the figure a traditional amplifier configuration with operational amplifier. The source...