This circuit was found in an ancient American documentation. With it is possible to double the frequency of a transmitter For the range of 6 meters obtaining 8 W. The circuit makes use of varicap.
November 2016 - Lumileds' new high power Luxeon 5050 LEDs can now be purchased from Mouser...
The circuit shown uses an unusual regulator currently, which is the LM2935, which must be mounted on...
Found in a 90s Popular Electronics, this circuit uses a 741 to generate frequencies from 0.1 to 30...