H01J2225/68 - CPC Classification

Transit-time tubes, e.g. Klystrons, travelling-wave tubes, magnetrons Tubes specially designed to act as oscillator with positive grid and retarding field, e.g. for Barkhausen-Kurz oscillators

• H01J2225/70 » with resonator having distributed inductance with capacitance, e.g. Pintsch tube 0
• H01J2225/72 » in which a standing wave or a considerable part thereof is produced along an electrode, e.g. Clavier tube 0