This circuit doubles the frequency of signals from 10 to 50 MHz. We found it in a 1969 Electronic Design. The components are from the period.
This circuit was found in Electronics Today International of the 80's. The circuit uses still...
Found in an Electronic Design, this circuit is intended to produce signals in the VHF band. The...
This circuit uses a not easy to find IC these days. The circuit sources 15 W to a 4 ohm load and...