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ID = 77873
Tube type:  Klystron, linear Beam 
Identical to ET-102 = QKK-1102

Was used by Radar
Filament Vf 3.3 Volts / If 6 Ampere / Indirect

X-band CW power klystron, fluid-cooled. Waveguide output flange. Intended to be used in the transmitter of CW radar systems.

  • Mechanic tuning from 9.9 to 10.3 GHz.
  • 50 to 100 W typical output power.
  • 10 kV collector voltage at 100 mA beam current
  • 250 kHz / ºC nominal temperature coefficient

Equivalent to Raytheon QKK1102. License built by ElTel, Palermo Italy, formerly ELSI, fully qualified for Raytheon production.

ET-102: Private collection
Emilio Ciardiello


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