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.

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

Averaged Anode Characteristic Curves:
U_f = 10.5V;
———— P_{a max}

Averaged Anode-Grid Characteristic Curves:
U_f = 10.5V

Averaged Grid Characteristic Curves: U_f = 10.5V