GS-24B

TRIODE

The GS-24B triode is used as an oscillator and power amplifier in grounded-grid circuits for continuous operation with anode modulation.

GENERAL
Cathode: indirectly heated, oxide-coated.
Envelope: metal-ceramic with ring leads.
Anode cooling: forced air.
Height: at most 69.5 mm.
Diameter: at most 35 mm.
Mass: at most 80 g.

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

BASIC DATA Electrical Parameters
Heater voltage (AC or DC), V	6.3
Heater current, A	0.38-1.38
Cutoff voltage (negative), V	13
Anode current, mA	60-125
Mutual conductance, mA/V	20-30
Penetration factor, %	0.8-1.5
Warm up time, s	60
Oscillator output power, W:
in continuous-wave generation	32
with heater voltage 11.3 V	26
interelectrode capacitance, pF:
input	7.3-10.5
transfer	2.9-3.7

Limit Operating Values
Heater voltage (AC or DC), V:
maximum	13.85
minimum	11.35
Maximum anode voltage (DC), V	900
Dissipation, W:
anode	120
grid	2.5
Maximum cathode current (DC component), mA:
in prolonged operation	250
in operation for not above 100 h	270
Grid current (DC component), mA:
at wavelength below 60 cm	50
at wavelength above 60 cm:
prolonged operation	80
operation for not longer than 100 h	90
Minimum cathode heating time, s	60
Maximum temperature, °C:
anode	200
grid ring	140
cathode ring	140
Maximum resistance in grid circuit, kOm	1

TYPICAL MODES OF OPERATION Power Amplification
Anode voltage, V	350
Cathode current (DC component), mA	240
Grid current (DC component), mA	70
Oscillator output power, W	20
Operating frequency, MHz	100-400

Self-Sustained Oscillation
Anode voltage,V	800
Cathode current (DC component), mA	150
Grid current (DC component), mA	40
Oscillator output power, W	30
Operating frequency, MHz	600

Averaged Characteristic Curves:
_____ anode;
_ _ _ grid-anode

Averaged Anode-Grid Characteristic Curves:
_____ anode-grid;
_ _ _ grid

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