This circuit is from an old American amateur radio manual. The circuit shows how to use a Varicap on a high power frequency doubler circuit.
This circuit was obtained in a 1991 Electronics Handbook. The publication no longer exists, but...
The frequency of this Pierce oscillator, found in 1969 documentation, depends on the crystal. The...
Maxim MAX20416 Step Down Converters Available through Mouser Electronics these 2.2 MHz converters feature...