,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,Modular Pulse Tubes,Modular,Pulse,Russia,component,Navigator,product,characteristics,tube,technical,information,diagram">

GMI-46B

TRIODE

The GMI-46B triode is used for pulse power switching in pulse modulators in RF equipment

GENERAL
Cathode: indirectly heated, oxide-coated.
Envelope: metal-caramic.
Cooling: forced air.
Height: at most 160 mm.
Diameter: at most 122 mm.
Mass: at most 3 kg

gmi-46b(1)00071.jpg
A - anode; P - heater; C -grid; KP - cathode and heater; I - contact surfaces

OPERATING ENVIRONMENTAL CONDITIONS
Vibration loads:
frequencies, Hz 1-200
acceleration, m/s² 98
Multiple impacts with acceleration, m/s² 392
Single impacts with acceleration, m/s² 1,470
Ambient temperature, °C -60to+85
Relative humidity at +35 °C, % 98

BASIC DATA
Electrical Parameters
Heater voltage (AC or DC), V 26
Heater current, A 7.6-8.4
Anode voltage (residual), kV 3.5
Grid voltage, V -200
Peak excess grid voltage, V 1,150
Negative cutoff voltage, V, at most 200
Peak anode current, A, at least 50
Peak grid current, A, at most 7.5
Interelectrode capacitance, pF:
input, at most 210
output, at most 30
transfer, at most 3

Limit Operating Values
Heater voltage (AC or DC), V 24.7-27.3
Anode voltage, kV 30
Negative grid voltage, absolute value, V 300
Peak excess grid voltage, V 1,500
Peak cathode current, A:
at 1/duty factor at least 500 55
at 1/duty factor at least 1,000 77
Dissipation, W:
anode 1,000
grid 60
Maximum pulse duration at peak cathode current at most 77 A, µs 50
Minimum warm up time, s 300
Envelope temperature at hottest point, °C 150

gmi-46b(2)00081.jpg
Averaged Characteristic Curves Showing Negative:
Uf = 26V;
_____ cutoff voltage (Ug cutoff);
_ _ _ recommended bias voltage (Ugb)

gmi-46b(2)00082.jpg
Averaged Characteristic Curves:
Uf = 26V; negative grid voltage -200V;
_____ anode;
_ _ _ grid-anode