Using a 4046 PLL this circuit was obtained from the October 1994 issue of Electronics Now magazine. The circuit can be modified to generate signals at other frequencies.
This circuit was found in a Popular Electronics of the 1990s. Its purpose is to expand the scale of...
This filter was obtained from Radio Electronics from the 80's. The configuration applies to any...
Found in an Electronic Design from 1965, this circuit makes use of transistors of the time. The...