This power source for Gas Laser was obtained in a 90’s Electronic Design. The circuit uses a switched regulator from the time. Equivalents can be used.
This is the old name given to flip-flops or biestable multivibrators. In fact, this is a 1967...
This high-gain amplifier was found in the March 1994 issue of Electronics Now magazine. The...
This circuit, based on a 555, was found in a Popular Electronics from the 90s. The circuit has the...