This circuit, of a Popular Electronics of 1969 is destined to firing a gas LASER of the time. The circuit makes use of a high voltage transformer for triggering.
This two-door doorbell was found in a 1990s US publication. The circuit is still current as...
Suggested by Intersil in documentation from the 90's, this circuit is valid for modern operating...
We found this circuit in an old RF documentation. The circuit must employ RF transistors and the...