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GMI-10

TETRODE

The GMI-10 tetrode is used as a pulse power switch in pulse modulators in RF equipment

GENERAL
Cathode: indirectly heated, oxide-coated.
Envelope: glass.
Height: at most 110 mm.
Diameter: at most 67 mm.
Mass: at most 250 g

gmi-10(1)00071.jpg
1, 4, 8 - cathode and heater; 6 - heater; 2, 5, 9 - grid 1; 3, 7, 10 - grid 2; A - anode

OPERATING ENVIRONMENTAL CONDITIONS
Vibration loads:
frequencies, Hz 5-200
acceleration, m/s² 73.5
frequencies, Hz 200-600
acceleration, m/s² 39.2
Impact loads with acceleration, m/s² 343
Linear loads with acceleration, m/s² 393
Ambient temperature, °C, at least -60
Relative humidity at +40 °C, % 98

BASIC DATA
Electrical Parameters
Heater voltage, V 6.3
Heater current, A 4.75-5.75
Peak anode current, A, at least 13
Peak grid 2 current, A, at most 2
Peak grid 1 current, A, at most 2
Cutoff voltage, V, at most 650
Interelectrode capacitance, pF:
input 20-60
output 4-8
transfer, at most 0.7

Limit Operating Values
Heater voltage, V 5.7-6.9
Anode voltage, kV 9
Grid 2 voltage, kV 1
Grid 1 voltage, kV 0.8
Peak cathode current, A 20
Dissipation, W:
anode 41
grid 2 4
grid 1 1.5
Pulse duration, µs 10
Warm up time, s 120
Envelope temperature, °C 250

gmi-10(2)00081.jpg
Averaged Peak Characteristic Curves:
Uf = 6.3V; Ug2 = 0.6kV;
_____ anode;
_ _ _ grid-anode

gmi-10(2)00082.jpg
Averaged Peak Characteristic Curves:
Uf = 6.3V; Ug2 = 0.8kV;
_____ anode;
_ _ _ grid 2-anode

gmi-10(3)00091.jpg
Averaged Peak Characteristic Curves:
Uf = 6.3V; Ug2 = 1kV;
_____ anode;
_ _ _ grid 2-anode

gmi-10(3)00092.jpg
Averaged Peak Characteristic Curves:
Uf = 6.3V; Ug2 = 0.6kV

gmi-10(3)00093.jpg
Averaged Peak Grid-Anode Characteristic Curves:
Uf = 6.3V; Ug2 = 0.8kV

gmi-10(3)00094.jpg
Averaged Peak Grid-Anode Characteristic Curves:
Uf = 6.3V; Ug2 = 1kV