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.
We found this amplifier circuit for inductive audio pickups in a documentation from the 70s. The...
The presented circuit uses two old germanium transistors. We found this configuration in a...
This high stability circuit was found in old documentation. The operational can be a modern...