Electron Tubes for Industrial, Broadcast and Ham Radio Applications
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4CX1000A 8168
The
4CX1000A / 8168 vacuum tube is a low-voltage, high-current
tetrode specifically designed for Class AB1 RF linear-amplifier or
audio-amplifier applications where its high gain may be used to
advantage.
|
Filament
|
Thoriated Tungsten
|
|
Filament Voltage
|
6.0V
|
|
Filament Current
|
9.0A
|
|
Capacitances
(Gnd.Kath. Connection)
|
Input
|
81.0pF
|
|
Output
|
11.8pF
|
|
Feed-through
|
0.015pF
|
|
Capacitances
(Gnd.Grid. Connection)
|
Input
|
35.5pF
|
|
Output
|
12.0pF
|
|
Feed-through
|
0.004pF
|
|
Screen Dissipation (Max.)
|
12W
|
|
Plate Dissipation (Max.)
|
1000W
|
|
Grid Dissipation (Max.)
|
1W
|
|
Frequency for Max. Ratings(CW)
|
110MHz
|
|
Base
|
Special, coaxial
|
|
Cooling
|
Forced Air
|
|
Maximum Seal&Anode Core
Temperature
|
250℃
|
|
Weight(approximate)
|
0.77kg
|
|
Operating Position
|
Vertical, base up or down
|
|
Class of Operation
|
Type of Service
|
Max. Ratings
|
TYPICAL OPERATION
|
|
Plate Voltage
(V)
|
Plate Current
(A)
|
Plate Voltage
(V)
|
Plate Current
(A)
|
Drive Power
(W)
|
Output Power
(W)
|
Screen
Voltage
(volts)
|
|
C
|
RF Amplifier
|
3000
|
1.0
|
3000
|
0.88
|
-
|
1630
|
325
|
|
C
|
RF Amplifier Plate Modulated
|
3000
|
1.0
|
3000
|
1.8
|
-
|
3260
|
325
|
*Two tubes
GREENSTONE USA
Copyright © 2001 GREENSTONE USA All rights reserved.
Revised:
October 20, 2010
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