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The GI-22 triode is used as an oscillator with pulsed anode and grid keying in the centimetric and decimetric wavelength ranges.

Cathode: indirectly heated, oxide-coated.
Envelope: metal-ceramic.
Height: at most 31.3 mm.
Diameter: at most 23.4 mm.
Mass: at most 11 g.

KP - cathode and heater; P - heater; C - grid; A - anode

Vibration loads:
frequencies, Hz 5-2,000
acceleration, m/s² 98
Multiple impacts with acceleration, m/s² 343
Single impacts with acceleration, m/s² 2,940
Linear loads with acceleration, m/s² 490
Ambient temperature, °C -60+100
Relative humidity at up to +40 °C, % 90

Electrical Parameters
Heater voltage, V 6.3
Heater current, mA 0.53-0.61
Mutual conductance (at anode voltage 200 V, anode current 30 mA), mA/V 15-18
Operating point (negative grid voltage at anode voltage 200 V, anode current 30 mA), V 3.5-0.5
Negative cutoff voltage (at anode voltage 200V, anode current 0.1 mA), V, at least 11
Interelectrode capacitance, pF:
input 2.6-4.3
transfer 1.4-2.0
output, at most 0.04
Warm up time, s, at most 30
Output power in pulsed operation (at anode voltage 1.6 kV, peak anode current 1.4 A, 1/duty factor 1,000), W, at most 375

Limit Operating Values
Heater voltage, V 6.0-6.6
Anode voltage in grid keying mode, kV 1
Peak anode voltage (with pulse duration at most 1 µs), kV 2
Peak grid voltage (with pulse duration at most 1 µs), V -100 to +50
Bias voltage change (in pulse grid keying mode), V -50 to 0
Peak cathode current (with pulse duration at most 1 µs), A 2
Dissipation, W:
anode 10
grid 0.1
Wavelength, cm, at least 5
1/duty factor, at least 800
Cathode heating time, s 30
Envelope temperature, °C 200

Averaged Anode-Grid Characteristic Curves:
Uf = 6.3V;
Pa max

Averaged Characteristic Curves in Pulsed Operation:
Uf = 6.3V;
_____ anode-grid;
_ _ _ grid

Averaged Characteristic Curves in Pulsed Operation:
Uf = 6.3V; U = 0; L = 9cm

Averaged Characteristic Curves in Pulsed Operation:
Uf = 6.3V; L = 9cm;
_____ oscillator output power P;
_ _ _ efficiency n depending on the amplitude of keying pulse in grid keying mode