Found in General Electric's documentation from 1970, this circuit is indicated for the so-called “Solid State Lamp” (SSL). The LED symbol in the original diagram is inverted.
This circuit appears in other articles and suggestions for circuits in this section from other...
This high voltage circuit was found in a 1970 documentation. The integrated one is of the time and...
This is the circuit of a commercial flash from the 60’s. The circuit was published by the march...