This circuit was found in a 1969 Mullard documentation. Used transistors can be replaced with modern equivalents. Output transistors may be BD135 and 136 with heatsinks.
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...