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The GU-76B power tetrode is used for RF signal amplification, including single-sideband signals, in stationary and mobile equipment not operating in motion.
GENERAL
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Cathode:
Envelope:
Cooling:
Height:
Diameter:
Mass: |
directly heated, carbonized thoriated tungsten.
metal ceramic, with outer copper anode.
forced air.
at most 341 mm.
at most 224 mm.
at most 20 kg. |
OPERATING ENVIRONMENTAL CONDITIONS
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Ambient temperature, °C
Relative humidity at up to +25 °C, % |
-10 to +55
98 |
BASIC DATA
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| Electrical Parameters |
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Filament voltage, V
Filament current, A
Mutual conductance (at anode voltage 2 RV, grid 2 voltage 1.3 kV, anode currents Sand 11 A), mA/V
Gain coefficient (at anode voltage 2 kV, grid 2 voltages 1 and 1.3 kV, anode current 8 A)
Anode current (at anode voltage 2 kV, grid 2 voltage 1.3 kV), A, at least
Negative bias voltage (at anode voltage 10 kV, grid 2 voltage 1.3 kV, anode current 2 A), absolute value
Negative cutoff voltage (at anode voltage 10 kV, grid 2 voltage 1.3 kV, anode current 0.3 A), absolute value, at most
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11
150-190
85-115
6-9
14.5
170-200
270
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| Interelectrode capacitance, pF: |
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input
output
transfer, at most
Output power (at filament voltage 11 V, anode voltage 10 kV, grid 2 voltage 1.3 kV, grid 1 voltage -250 V), kW, at least
Output power (corresponding to the current of singlesideband signal envelope at filament voltage 11 V, anode voltage 10 kV, grid 2 voltage 1.3 kV), kW, at least |
350-385
35-45
2.2
40
30 |
| Relative level of combination components (at output power at least 30 kW, filament voltage 11 V, anode voltage 10 kV, grid 2 voltage 1.3 kV, anode quiescent current 2A),dB: |
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third-order components, at most
fifth-order components, at most |
-39
-40 |
| Limit Operating Values |
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Filament voltage (AC or DC), V
Filament starting current, A
Anode voltage (DC), kV
Grid 2 voltage (DC), kV
Negative grid 1 voltage (instantaneous value), absolute value, V |
10.5-11.5
280
11
1.5
700 |
| Dissipation, W: |
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anode
grid 2
grid 1
Operating frequency, MHz
Anode temperature, °C
Temperature at hottest point of envelope, °C |
3x10³
900
300
75
250
200 |
Averaged Characteristic Curves:
Uf = 11V; Ug2 = 1.5kV;
_____ anode:
_ _ _ Pa max
Averaged Grid-Anode Characteristic Curves:
Uf = 11V; Ug2 = 1.5kV;
_____ grid 2;
_ _ _ grid 1
Averaged Anode-Grid Characteristic Curves:
Uf = 11V; Ug2 = 1.5kV
Averaged Characteristic Curves:
Uf = 11V; Ug2 = 1.5kV;
_____ grid 2;
_ _ _ grid 1 |
Quelle: http://www.tubes.ru/ |
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