Found in American documentation, this circuit uses an automotive ignition coil to generate 20 kV. The transistors used support equivalents.
This circuit, which can be used as a shield, was found in a 1980s documentation. The circuit can be...
This circuit was found in a Radio Electronics magazine from November 1992. The components are from...
Found in a 1968 US publication, this circuit is designed to measure very weak signals. The...