F8055

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

Compact direct-view electrostatic image-storage CRT with electromagnetic deflection, P20 yellow-green aluminized screen and reinforced airborne construction resistant to vibration.

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

1958 Compagnie General

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

Useful screen diameter
100 mm

Other

Deflection method
1 code
Electromagnetic
Focus method
1 code
Electrostatic
Maintenance-beam post-acceleration minimum
6 kV
Maintenance-beam post-acceleration maximum
9 kV
Write-gun cathode voltage
-2000 V
Write control-grid voltage minimum
0 V
RelativeToCathode
Write control-grid voltage maximum
100 V
RelativeToCathode
Second control-grid voltage maximum
250 V
RelativeToCathode
Focus-grid voltage maximum
200 V
RelativeToCathode

Data set 02

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
-1200 V
Negative with respect to ground

SECTION 2

Cathode Ray

Characteristic

Flood Gun Heater Voltage
6.3 V
Flood Gun Heater Current
800 mA
Storage Type
Direct-view storage

Other

Viewing Screen Voltage Maximum
9 kV