Found in an Electronics World of 1968 this circuit can use current SCRs and the diodes are according to the lamp. The Circuit only works with incandescent lamps.
We find this circuit in a 1994 technical documentation. The circuit has a 12 V input and a 33 V...
This transistorized oscillator was published in the July 1953 issue of Radio Electronics....
This circuit was obtained from a 1969 Electronic Design. Transistors admit modern equivalents. The frequency...