F8086

High-resolution direct-view storage CRT for off-centered plan-position-indicator radar display, using one writing gun plus a flood or viewing gun to retain and continuously present stored radar information.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 2
Base: -
Socket code: B7G
Base pins: -
Nominal heater: 6.3 V / 600 mA

Description

High-resolution direct-view storage CRT for off-centered PPI radar display; one writing gun plus flood/viewing gun.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B7G
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
-3000 V
Negative with respect to ground
Writing Gun Focus Voltage
-3000 V

Capacitance

Cathode to Internal Elements Capacitance Maximum
8 pF
Grid 1 to Internal Elements Capacitance Maximum
7 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
8 kV