,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">

GS-31B

TRIODE

The GS-31 B triode fulfils generation and amplification functions in grounded-grid circuits in continuouswave operation in the decimetric and metric wavelength ranges.

GENERAL
Cathode: indirectly heated, dispenser, oxide-coated.
Envelope: metal-ceramic.
Cooling: forced air.
Height, mm, at most:

with heat sink: 147
without heat sink: 134
Diameter, mm, at most:
with heat sink: 100.2
without heat sink: 65
Mass, kg, at most:
with heat sink: 1.2
without heat sink: 650

gs-31b(2)1.jpg
A - anode; C - grid; KP - cathode and heater; P - heater

OPERATING ENVIRONMENTAL
CONDITIONS
Vibration loads:
frequency, Hz 5-2,000
acceleration, m/s² 98
Multiple loads with acceleration, m/s² 343
Single impacts with acceleration, m/s² 1,470
Linear loads with acceleration, m/s² 490
Ambient temperature, °C -60 to +70
Relative humidity at up to +40 °C, % 98

BASIC DATA
Electrical Parameters
Heater voltage, V 12.6
Heater current, A 3.1-3.7
Mutual conductance (at anode voltage 2 kV, grid voltage 1 V and anode current 250 mA), mA/V, at least 22
Operating point (negative grid voltage at anode voltage 2 kV and anode current 250 mA), V 6-12
Interelectrode capacitance, pF:
input 19-24
output, at most 0.12
transfer 3.8-5.2
Warm up time, s, at most 120
Output power, W, min.:
at anode voltage 1.8 kV, anode current 500 mA, wavelength 60 cm 360
at anode voltage 1.7 kV, anode current 700 mA, wavelength 30 cm 180

Limit Operating Values
Heater voltage, V 12-13.2
Anode voltage, kV:
DC 3
instantaneous value 6
Grid voltage (instantaneous value), V -400 to +120
Cathode current (r.m.s. value), A 1.4
Dissipation, W:
anode 1.0x103
grid 22
Temperature at anode lead, °C 200
Temperature at cathode and grid leads, °C 120
Temperature at external ceramic parts, °C 250
Wavelength,cm 28-100

gs-31b(3)1.jpg
Averaged Characteristic Curves:
Uf = 12.6V;
_____ anode;
_ _ _ grid-anode

gs-31b(3)2.jpg
Averaged Characteristic Curves:
Uf= 12.6V;
_____ grid;
_ _ _ anode-grid

gs-31b(3)3.jpg
Averaged Characteristic Curves Showing Output Power and Efficiency versus Anode Current:
Uf = 12.6V; L = 30cm;
_____ output power (P);
_ _ _ efficiency (n)

gs-31b(3)4.jpg
Averaged Characteristic Curves Showing Output Power and Efficiency versus Anode Current:
Uf = 12.6V; L = 30cm;
_____ output power (P);
_ _ _ efficiency (n)