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Specialized - Cathode Ray ·CathodeRay

6EO4

Cathode-ray oscilloscope tube with electrostatic focusing and deflection. Its direct-view electrostatic beam system is designed for waveform presentation and electronic measurement service.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B12A
Base pins
-
Nominal heater
4 V / 1 A

Description

6EO4 is a cathode-ray oscilloscope tube; the approved datasheet specifies its electrostatic focusing/deflection system, phosphor, interelectrode capacitances, and operating ratings.

Socket description

Duodecal 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B12A
Base pins
-
Nominal heater voltage
4 V
Nominal heater current
1 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

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

CRT operating ratings and direct interelectrode capacitances are published in the approved datasheet.

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

196X Cintel

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Heater Voltage

    4 V

    Nominal published value

  • Heater Current

    1 A

    Nominal published value

  • Each X Plate to all other electrodes

    25 pF

    Published direct interelectrode capacitance

  • Each Y Plate to all other electrodes

    25 pF

    Published direct interelectrode capacitance

Construction

  • Focusing Method

    Electrostatic

    Published focusing method

  • Deflecting Method

    Electrostatic

    Published deflection method