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Tube Tetrodes Eimac 4CX3500A






The 4CX3500A is a compact tetrode designed to be used in VHF power amplifier service.

It features a type of internal structure which results in high RF operating efficiency up to 220 MHz.

This tube is also recommended for use as a VHF TV linear amplifier. for use as a Class C radio frequency

power amplifier and plate-modulated, radio frequency power amplifier.

 

Specification:

 

Plate Dissipation (Max.)
3,500 Watts
Screen Dissipation (Max.)
162 Watts
Grid Dissipation (Max.)
50 Watts
Frequency for Max. rating (CW)
220 MHz
Amplification Factor
4.5
Filament/Cathode
Thoriated Tungsten
Voltage
5.0 Volts
Current
90 Amps
Capacitance
Grounded Cathode
Input
58.5 pf
Output
10.0 pf
Feedthrough
0.5 pf
Capacitance
Grounded Grid
Input
58.5 pf
Output
10.0 pf
Feedthrough
0.4 pf
Cooling
Forced Air
Base
Special Coaxial
Air Socket
SK-340
Air Chimney
---
Boiler
---
Length
3.25 in; 346 mm
Diameter
7.25 in; 181.45 mm
Weight
4.94 oz; 125 gm


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