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GM-1P

TRIODE

The GM-1 P power triode is used in low-frequency no-distortion cathode-coupled amplifier circuits in stationary general-purpose RF equipment.

GENERAL
Cathode: carbonized thoriated tungsten.
Envelope: glass-to-metal.
Cooling: forced (evaporation for anode, air for stem).
Height: at most 435 mm.
Diameter: at most 201 mm.
Mass: at most 14 kg.

gm-1p(1)00071.jpg

OPERATING ENVIRONMENTAL CONDITIONS
Ambient temperature, °C -10 to +55
Relative humidity at up to +25 °C, % 98

BASIC DATA
Electrical Parameters
Filament voltage, V 10.5
Filament current, A 180-210
Mutual conductance (at anode voltage 3kV, anode currents 6 and 10 A), mA/V 22-32
Gain coefficient (at anode voltages 3 and 5 kV, anode current 6 A) 3.4-5
Anode current (at anode voltage 4 kV), A 22-30
Negative cutoff voltage (at anode voltage 6 kV, anode current 1 A), absolut value, kV, at most 1.6
Interelectrode capacitance, pF:
grid-cathode, at most 50
anode-grid, at most 6.5
anode-cathode, at most 80

Limit Operating Values
Filament voltage (AC or DC), V 10.2-10.8
Filament starting current, A 285
Anode voltage (DC), kV 6
Grid voltage, kV -2
Anode dissipation, kW 35
Temperature at glass, stem and metalto-glass seals, °C 150

gm-1p(2)00081.jpg
Averaged Anode Characteristic Curves:
Uf = 10.5V;
Pa max

gm-1p(2)00082.jpg
Averaged Anode-Grid Characteristic Curves:
Uf = 10.5V

gm-1p(2)00083.jpg
Averaged Grid Characteristic Curves: Uf = 10.5V