TH9427

Thomson-CSF 22 cm X-ray image intensifier providing high resolution and approximately 6,000-fold brightness gain. It converts an X-ray image into a much brighter visible output image for diagnostic viewing.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

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

Description

The Thomson-CSF TH9427 is a 22 cm x-ray image intensifier with high resolution and approximately 6000× brightness gain.

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; electrode voltages and currents 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 anode voltage
32 kV
Maximum photocathode current
0.5 uA
Maximum g1 current
5 uA
Maximum g2 current
1 uA
Maximum g3 current
1 uA
Maximum g4 current
10 uA
Maximum anode current
2 uA
Luminance/brightness gain
6000 x
Active getter anode voltage
3.5 kV
Typical anode voltage minimum
28 kV
Typical anode voltage maximum
30 kV

Characteristic

Nominal/full input field diameter
22 cm
Output image diameter
20 mm