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FW231

Magnetically focused storage image tube combining image conversion with electronic charge storage. It supports writing an image, long-term viewing or retention, and rapid electronic erasure for specialized imaging systems.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

The FW-231 is a magnetically focused storage image tube combining image conversion with electronic charge storage for write, long-term view, and rapid erase operation.

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: -
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

ImageStorage

X-ray radiationInterelectrode capacitances

Max plate voltage: 12000 V

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

1962 ITT

Published operating points and test conditions from this source.

SECTION 1

ImageStorage

Characteristic

Write Cathode Potential
-400 to -800 V
Read Cathode Potential
0 V
Erase Cathode Potential
0 V
Viewing Screen Potential
8-12 kV
Photocathode Spectral Response
S-11
Photocathode Luminous Sensitivity
15-30 uA/lm
Photocathode Radiant Sensitivity
0.015-0.024 A/W
Magnification
0.9-1.1
Storage Function
Halftone image storage with continuous readout