3CX20,000A3 

Created for use as an industrial oscillator or in general communications service. 

 

Description
Maximum Ratings
Tube Numbering System
Warranty

Home
Products

Description

Plate Dissipation ( Max ) 20,000 watts
Grid Dissipation ( Max ) 750 watts
Frequency for Max. Ratings (CW) 90 MHz
Cooling Forced Air
Filament Thoriated Tungsten
     Voltage 10.0 volts
     Current 160 amperes
Capacitances (Gnd. Cath. Connection)  
     Input 70.0 pF
     Output 2.3 pF
     Feed-through 43.0 pF
Amplification Factor 20
Base Coaxial
Recommended Air System Socket SK-1300
Maximum Seal and Anode Core Temperature 250o C
Maximum Length 10.0 in /  254 mm
Maximum Diameter 8.0 in / 203 mm
Weight ( approximate ) 19.5 lb / 8.8 kg
Operating Position Vertical, base up or down 

(top)

 

 

Maximum Ratings Typical Operation
Class of Operation Type of Sevice Plate Voltage (volts) Plate Current (amps) Plate Voltage (volts) Plate Current (amps) Drive Power (watts) Output Power (watts)
C Grid Driven RF Amplifier 12,000 8.0 10,000 7.9 960 64,000
C Grid Driven RF Amplifier Plate Modulated 6500 5.5 6500 5.0 1500 27,500
AB Grid Driven RF Linear Amplifier 8000 8.0 7500 7.4 400 40,000
AB Grid Driven AF Amplifier or Modulator (two tubes) 8000 8.0 7500 14.8 800 80,000

(top)

USE OF THIS SITE INDICATES YOUR AGREEMENT TO THE
LEGAL TERMS AND RESTRICTIONS CONTAINED HEREIN.
 Copyright © 2009 Zonum. All rights reserved.