Found in the November 1999 issue of Electronics Now magazine, this circuit generates a 6.67 Hz signal from a 4.1952 Hz crystal.
This circuit for igniting gas flames was found in a 1967 Electronic Design. The SCR firing device is a...
This circuit, which can generate voltages up to 25 V, was found in the December 1992 issue of...
This circuit was obtained from a 1966 General Electric documentation. It can serve as a basis for...