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8320

Five-inch direct-view half-tone storage tube for radar and transient-data display. It stores varying-intensity information rather than only binary traces, supporting detailed persistent presentations.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: B14F
Base pins: -
Nominal heater: 6.3 V / -

Description

The Machlett ML-8320 is a five-inch direct-view half-tone storage tube for radar and transient-data display.

Socket description

All-glass CRT 14-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: B14F
Base pins: -
Nominal heater voltage: 6.3 V
Nominal heater current: -
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.

Cathode-ray/storage display structure. The fixed promoted fields are not semantically applicable; published view-screen and electron-gun ratings are preserved in parameters.

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

1971 Machlette Laboratories

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

Maximum view-screen voltage
8000 V
Maximum view-screen dissipation
10 W
Storage-mesh voltage maximum
200 V
Collector-mesh voltage
300 V
Collimating anode voltage
300 V
Write/flood anode No.2 voltage
150 V
Anode No.3 voltage
200 V