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Specialized - Cathode Ray ·CathodeRay-CathodeRay

F8029

Direct-view storage cathode-ray tube with dedicated writing and storage/readout functions, designed to retain displayed information for instrument observation; manufacturer data defines specialized write-gun and viewing-screen operating voltages.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
2
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 600 mA

Description

Bright-display direct-view storage CRT with one writing gun plus flood/viewing gun; electrostatic focus and deflection.

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
600 mA
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

2 physical sections, each with unique specifications.

Section 1

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Distinct physical gun section; device-specific electrode voltages are retained in TUBE_SECTION_PARAMETER.

Section 2

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Distinct physical gun section; device-specific electrode voltages are retained in TUBE_SECTION_PARAMETER.

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

1972 Thomson CSF

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristic

  • Writing Gun Heater Voltage

    6.3 V

  • Writing Gun Heater Current

    600 mA

  • Writing Gun Count

    1 count

Other

  • Writing Gun Cathode Voltage

    -2900 V

    Negative with respect to ground

  • Writing Gun Focus Voltage

    1200 V

Capacitance

  • Cathode to Internal Elements Capacitance Maximum

    10 pF

  • Grid 1 to Internal Elements Capacitance Maximum

    10 pF

SECTION 2

Cathode Ray

Characteristic

  • Flood Gun Heater Voltage

    6.3 V

  • Flood Gun Heater Current

    600 mA

  • Storage Type

    Direct-view storage

Other

  • Viewing Screen Voltage Maximum

    11 kV