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3CX10000H7 - Class B Triode Vacuum Tube

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Quick Overview

The 3CX10000H7 vacuum tube is a high –mu power triode is intended for use as a zero-bias Class B amplifier in audio or RF amplifier, CW or modulated. Operation in Class B with zero grid bias offers circuit simplicity by eliminating the bias supply and in addition grounded-grid operation is attractive since a power gain as twenty times can be obtained with the tube.

Details

Specifications:

Filament: Thoriated Tungsten
Filament Voltage: 7.5V
Filament Current: 99A
Capacitances:
(Gnd.Kath. Connection)
- Input 59pF
- Output 36pF
- Feed-through 0.2pF
Amplification Factor: 200
Frequency for Max. Ratings(CW): 100MHz
Base: Special, coaxial
Cooling: Forced Air
Maximum Seal & Anode Core Temperature: 485° F
Weight(approximate): 12 lbs.
Operating Position: Vertical, base up or down

Class of Operation	Type of Service	Max. Ratings		TYPICAL OPERATION
Class of Operation	Type of Service	Plate Voltage (V)	Plate Current (A)	Plate Voltage (V)	Plate Current (A)	Drive Power (W)	Output Power (W)
C	Cathode Driven RF Amplifier	8000	4.0	7600	3.7	1510	22500
C	Grid Driven RF Linear Amplifier Plate Modulated	6500	3.0	5000	3.0	380	11900
AB₂	Cathode Driven RF Amplifier	8000	5.0	7000	5.0	1540	24200
AB₂	Cathode Driven RF Amplifier AM Service	8000	5.0	7000	2.4	330	5600
AB₂	Grid Driven AF Amplifier or Modulator	8000	5.0	7000	10.0	560	47.700

^*Two tubes

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