This circuit multiplies the frequency of a signal by 100. The circuit was found in the October 1994 issue of Electronics Now magazine. The PLL does not operate above approximately a dozen megahertz.
This circuit was found in a 90’s Electronic Engineering. The integrated circuits are of the time...
We find this circuit in documentation from the 1980s. The triac and diac are of conventional types...
The tone produced by this circuit attract fishes. The circuit is installed into a small can and...