GS-31B triode Soviet USSR 1,5 KW up to 500 MHz

Description

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NOS in Box
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The GS-31B triode fulfils generation and amplification functions in grounded-grid circuits in continuous-wave
operation in the decimetric and metric wavelength ranges.
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Vibration loads:
frequency, Hz 5-2000
acceleration, m/s2 98
Multiple loads with acceleration, m/s2 343
Single impacts with acceleration, m/s2 1470
Linear loads with acceleration, m/s2 490
Ambient temperature, °C -60 to +70
Relative humidity at up to +40 °C, % 98
GENERAL
Cathode: indirectly heated, dispenser, oxide-coated.
Envelope: metal-ceramic.
Cooling: forced air.
Height, mm, at most:
with heat sink 147
without heat sink 134
Diameter, mm, at most:
with heat sink 100,2
without heat sink 65
Mass, kg, at most:
with heat sink 1,2
without heat sink 650
BASIC DATA
Electrical Parameters
Heater voltage, V 12,6
Heater current, A 3,1-3,7
Mutual conductance (at anode voltage 2 kV,
grid voltage 1 V and anode current 250 mA),
mA/V, at least 22
Operating point (negative grid voltage at anode
voltage 2 kV and anode current 250 mA), V 6-12
Interelectrode capacitance, pF:
input 19-24
output, at most 0,12
transfer 3,8-5,2
Warm up time, s, at most 120
Output power, W, min.:
at anode voltage 1,8 kV, anode current
500 mA, wavelength 60 cm 60
at anode voltage 1,7 kV, anode current
700 mA, wavelength 30 cm 180
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On Mar-22-17 at 11:01:47 PDT, seller added the following information:
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Dear customers please note the following!
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