We find this circuit in American documentation from the 1980s. It consists of a frequency folder using a varicap. The capacitors and coils depend on the frequency of operation.
This small-range MW transmitter can be used as a wireless microphone. The circuit is from an...
An advanced motor control software plug-in for Microchip’s MPLAB® X Integrated Development...
The purpose of this 2000 documentation circuit is to decode SSB (BLU) signals to be audible on...