This circuit with only one tuned coil was found in a 1980s American documentation. The circuit uses components from that time.
PIC18F “K40” Features Intelligent ADC with Filtering and Signal Analysis Capabilities Ideal for...
According to what is said, the bugs are the female insects (mosquitoes, muriçocas and others)....
This is the typical configuration for a high voltage triplicator. The configuration can be used...