Description
GI-7B / GI7B URSS POWER COAXIAL TRIODE TUBE OTK/RHOMBUS GI-7B MILITARY,TROPIC!!! LOT OF 2 Pcs. Military equipment, " OTK ", high reliability. Military quality check passed ( rhombus ) The tubes are never used. Old stock. Type Pulse tetrode Cathode type Oxide, indirect heating Application field Oscillation UHF in continous mode and pulse mode with anode modulation in special equipment Brief application Oscillation Dimension 110,5mm X 65mm Mass 330 g Normale anode voltage 1,3 kV Filament voltage 12,6 V Filament current 1,8 - 2,05 A Mutual conductance 20 to 26 ma/V Output power 350W/ 11 KW in pulse Max. anod voltage 2,5KV/9 kV in pulse Max. operating frequency 18 cm Ambient temparature , °C -60 to +100 Relative humidity at up to +40 °C 98% Decoding the triode marking: GI-7B GI - letters defining the type of lamp: GI - generator pulse; 7 - the number of the ordinal number of the development of this type of lamp; B - a letter indicating the type of forced cooling: B - air.