,Cathode Ray Tubes,Ceramic Tubes,CFA,chemical synthesis,chromenes,CO2 sensors,Communication,composite membranes,condensed heterocycles,Control Tubes,CWT,database,Devices,Diodes,Discharger,Display Tubes,Electron Tubes,Electron,antitumor,artificial organs,artificial skin,Attenuators,Audio tubes,Backward Wave Oscillator,Band filtering,Beam tubes,biocompatibility,biomaterials,biosensors,Broadcast,Broadcasting Tubes,Broadcasting,carbon dioxide isolation3CX300A1,4CX400A,4CX800A,4X150A,6360,6BK4,6BQ7.6C19,6C33C,6D22S,6N1P,6S19P,7034,813,829A,832A,833A,absorbent,Acquisition,Aircraft,Amateur Radio,Amateur,Amplifiers,Antenna amplifiers,anticancer compounds,antitumor agent,Broadcast Tubes,Transmitting Tubes,Transmitting,Broadcast,Russia,component,Navigator,product,characteristics,tube,technical,information,diagram">

GU-34B

TETRODE

The GU-34B tetrode is used for wideband power amplification at frequencies up to 250 MHz in RF equipment.

GENERAL
Cathode: indirectly heated, oxide-coated.
Envelope: glass-to-metal.
Cooling: forced air.
Height: at most 125 mm.
Diameter: at most 94 mm.
Mass: at most 1 kg.

gu-34b(1)1.jpg
KP - cathode and heater; P - heater; C1 - grid 1; C2 - grid 2: A - anode

OPERATING ENVIRONMENTAL CONDITIONS
Ambient temperature, °C -10 to + 55
Relative humidity at up to +25°C, % 98

BASIC DATA
Electrical Parameters
Heater voltage, V 12.6
Heater current, A 3.3-4
Mutual conductance (at anode voltage 1 kV, grid 2 voltage 500 V, anode current 500 mA), mA/V 22-34
Gain coefficient (grid 1 -grid 2, at anode voltage 1 kV, grid 2 voltage 400-500 V, anode current 500 mA) 19
Cutoff voltage (at anode voltage 1 kV, grid 2 voltage 500 V, anode current 5 mA), V, at most 80
Interelectrode capacitance, pF:
input, at most 63-73
output, at most 7-11
transfer, at most 0.12
Warm up time, min, at most 2.5
Output power, W, at least 400
Output power over 1.500 h of service, W, at least 320

Limit Operating Values
Heater voltage, V 13.9
Anode voltage, kV 4-103
Grid 2 voltage, V 600
Cathode current (DC component), mA 540
Dissipation, W:
anode 500
grid 2 20
grid 1 5
Frequency, MHz 250
Temperature at anode, stem and seals, °C 150

gu-34b(2)1.jpg
Averaged Anode Characteristic Curves:
Uf = 12.6V; Ug2 = 400V

gu-34b(2)2.jpg
Averaged Anode Characteristic Curves:
Uf = 12.6V; Ug2 = 500V

gu-34b(2)3.jpg
Averaged Grid 2-Anode Characteristic Curves:
Uf= 12.6V; Ug2 = 400V

gu-34b(2)4.jpg
Averaged Grid 2-Anode Characteristic Curves:
Uf = 12.6V; Ug2 = 500V