TH9473

Thomson-CSF 25 mm single-stage light image intensifier using electrostatic focusing and fiber-optic coupling. It increases brightness of weak visible images for low-light viewing or recording.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

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

Description

The Thomson-CSF TH9473 is a 25 mm single-stage electrostatic-focus fiber-optic light image intensifier.

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

ImageConverterIntensifier

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Electron-optical image-intensifier structure; specialized photocathode/focus/screen values retained as 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

1972 Thomson CSF

Published operating points and test conditions from this source.

SECTION 1

ImageConverterIntensifier

Other

Maximum photocathode-to-screen/anode voltage
16 kV
Photocathode-screen voltage
6 to 16 kV
Maximum output luminance
400 cd/m2
Typical anode voltage
15 kV
Central resolution
55 to 65 lp/mm
Peripheral resolution
50 to 60 lp/mm
Typical ambient temperature
20 C
Typical color temperature of incident source
2854 K

Characteristic

Useful photocathode diameter
25 mm