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GU-100B

TRIODE

The GU-100B triode is used as an oscillator in stationary industrial RF heating generators and as a power
amplifier in stationary industrial transmitters.

GENERAL
Cathode: directly heated.
Envelope: metal-ceramic.
Cooling: forced air.
Working position: upright with anode down.
Height: at most 265 mm.
Diameter: at most 150 mm.
Mass: at most 7 kg.

gu-100b(1)00061.jpg
A - anode; C - grid; K1, K2 - cathode

OPERATING ENVIRONMENTAL CONDITIONS
Vibration loads:
frequencies, Hz 1-35
acceleration, m/s² 5
Multiple impacts with a peak acceleration of m/s² 150
Ambient temperature, °C -10 to +55
Relative humidity at up to ±25 °C without moisture condensation, % 98

BASIC DATA
Electrical Parameters
Filament voltage, V 5
Filament current, A 62-82
Peak anode current (at filament voltage 5 V, anode voltage 0.5 kV, grid voltage 500 V, bias voltage -400 V), A, at least 6
Negative cutoff voltage, absolute (at filament
voltage 5 V, anode voltage 6 kV, anode current 0.1 A), V, at most
350
Gain coefficient (at filament voltage 5 V, anode voltages 0.5 kV and 2 kV, anode current 3A) 15-28
Output power in self-excitation mode, kW:
at up to 10 MHz (at filament voltage 5 V, anode voltage 8 kV, grid bias voltage -350 V, anode current 1.6 A, grid current 0.4 A) 10
at 10-150 MHz (at filament voltage 5 V, anode voltage 6 kV, grid bias voltage -350 V, anode current 1.35 A, grid current 0.32 A) 6.3
Interelectrode capacitance in a grounded-cathode circuit, pF:
input, at most 50
output, at most 1.2
transfer,at most 30

Limit Operating Values
Filament voltage, V 5.3
Anode voltage (DC), kV:
at frequencies up to 10 MHz 8
at frequencies 10-150 MHz 6
Negative bias voltage, absolute value, V 550
Filament current (peak value), A 160
Grid current (DC component), A:
at frequencies up to 10 MHz 0.5
at frequencies up to 10-150 MHz 0.45
Dissipation, W:
anode 6x10³
grid 400
Operating frequency, MHz 150
Envelope temperature (except for anode) at the hottest point, °C 175
Anode temperature, °C 200

gu-100b(3)00081.jpg
Averaged Anode-Grid Characteristic Curves:
Uf = 50V;
_____ anode-grid;
- - - grid