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GU-96A

POWER TRIODE

The GU-96A power triode is used as an oscillator in stationary industrial RF heating generator circuits and as a power amplifier in stationary industrial transmitters.

GENERAL
Cathode: directly heated, carbonized thoriated tungsten.
Envelope: metal-ceramic.
Cooling: water for anode, forced air for other envelope elements.
Height: at most 232 mm.
Diameter: at most 120 mm.
Mass: at most 3 kg.

gu-96a(1)00081.jpg

OPERATING ENVIRONMENTAL CONDITIONS
Vibration:
frequencies, Hz 1-35
acceleration, m/s² 5
Multiple impacts with acceleration, m/s² 150
Ambient temperature, °C 1-55
Relative humidity at up to 25 °C (without moisture condensation), % 80

BASIC DATA
Electrical Parameters
Filament voltage, V 6
Filament current, A 60-75
Anode current (at filament voltage 6 V, anode voltage 0.4 kV, grid voltage 200 V), at least 2.9
Negative cutoff voltage, absolute value (at filament voltage 6 V, anode voltage 3 kV, anode current 0.1 A), V, at most 130
Mutual conductance (at filament voltage 6 V, anode voltage 2 kV, anode currents 1 and 2 A), mA/V 20-28
Interelectrode capacitance, pF:
grid-anode 25
grid-cathode 45
anode-cathode 1

Limit Operating Values
Filament voltage (AC), V 6.3
Filament starting current (peak value), A 140
Anode voltage, kV:
at 86-250 MHz 5
at not above 85 MHz 7
Dissipation, kW:
anode 4
grid 0.2
Operating frequency, MHz 250
Envelope temperature at the hottest point, °C 175

STANDARD OPERATING CONDITIONS
Self-excitation at 86-250 MHz:
Filament voltage, V 6
Anode voltage (DC), kV 4.5
Anode current (DC component), A 0.74
Grid current (DC component), A 0.15
Resistance in grid circuit, kOm 1.6
Output power, kW 2.5
Anode efficiency, % 75

Self-excitation at not above 85 MHz:
Filament voltage, V 6
Anode voltage (DC), kV 6.8
Anode current (DC component), A 0.74
Grid current (DC component), A 0.15
Resistance in grid circuit, kOm 1.8
Output power, kW 4
Anode efficiency, % 79

gu-96a(3)00101.jpg
Averaged Anode-Grid Characteristic Curves

gu-96a(3)00102.jpg
Averaged Anode-Grid Characteristic Curves