Published in the September 1973 issue of Radio Electronics magazine, this diagram may be useful to restorers, since the integrated circuit is no longer manufactured.
This QST circuit generates 4 frequency signals according to the crystals used. Transistors admit...
This circuit was obtained from a 1966 General Electric documentation. It can serve as a basis for...
Found in an 80's documentation this circuit uses an integrated from the uncommon era today. Other...