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Power - Tetrode (NOT beam) (over 1000V 100W) ·Tetrode

4CV35000A

Vapor-cooled ceramic-metal radial-beam power tetrode for Class-C RF amplification and Class-AB audio-frequency or RF linear power amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 150 A

Description

The EIMAC 4CV35,000A is a ceramic-metal vapor-cooled radial-beam power tetrode for Class-C radio-frequency amplification and Class-AB audio-frequency or RF linear power amplification.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
150 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Tetrode

X-ray radiationInterelectrode capacitances
Amplification factor
4.5
Max plate voltage
10000 V
Max screen voltage
2000 V
Max plate dissipation
35000 W
Max screen dissipation
450 W
Max grid dissipation
200 W

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Characteristic

  • Frequency for Maximum Ratings

    110 MHz

  • Filament/Heater Current

    152 A to 168 A

Capacitance

  • Input Capacitance

    152-172 pF

    Grounded cathode

  • Output Capacitance

    22.0-27.0 pF

    Grounded cathode

  • Feedback Capacitance

    2 pF

    Grounded cathode

  • Input Capacitance

    63.0-78.0 pF

    Grounded grid and screen

  • Output Capacitance

    23.0-28.0 pF

    Grounded grid and screen

  • Feedback Capacitance

    0.3 pF

    Grounded grid and screen